From fb71417dcb3c72eff83fb557d6c417d6710947c1 Mon Sep 17 00:00:00 2001 From: Gururaj Lande Date: Fri, 20 Mar 2026 13:22:13 +0530 Subject: [PATCH 01/11] my-version --- Backend/SSC_Science1_Mongoose_v2.json | 13592 ++++++++++++++++++++++++ Backend/index.js | 13 + Backend/init.js | 28 + Backend/modles/Questions.js | 2 +- Backend/package-lock.json | 10 +- Backend/package.json | 2 +- Frontend/views/index.ejs | 11 + 7 files changed, 13651 insertions(+), 7 deletions(-) create mode 100644 Backend/SSC_Science1_Mongoose_v2.json create mode 100644 Backend/index.js create mode 100644 Backend/init.js create mode 100644 Frontend/views/index.ejs diff --git a/Backend/SSC_Science1_Mongoose_v2.json b/Backend/SSC_Science1_Mongoose_v2.json new file mode 100644 index 0000000..0ed0221 --- /dev/null +++ b/Backend/SSC_Science1_Mongoose_v2.json @@ -0,0 +1,13592 @@ +[ + { + "questionText": "The orbit of a planet revolving around a star is ______.", + "questionType": "MCQ", + "options": [ + "circular", + "linear", + "towards the focal point", + "elliptical" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The value of universal gravitational constant (G) in SI unit is ______.", + "questionType": "MCQ", + "options": [ + "6.673×10⁻¹¹ Nm²/kg²", + "6.673×10¹¹ Nm/kg", + "9.673×10⁻¹¹ Nm/kg", + "9.673×10⁻¹¹ Nm²/kg²" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The gravitational force between two bodies is ______ of the distance between them.", + "questionType": "MCQ", + "options": [ + "inversely proportional to the square", + "directly proportional to the square", + "inversely proportional to the cube", + "inversely proportional to the square root" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The free fall of an object is possible only in ______.", + "questionType": "MCQ", + "options": [ + "air", + "vacuum", + "on the surface of earth", + "None of these" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The weight of any object on the moon is nearly ______ of the weight on earth.", + "questionType": "MCQ", + "options": [ + "1/6", + "1/8", + "1/2", + "2/6" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The ______ force is much weaker than other forces in nature.", + "questionType": "MCQ", + "options": [ + "gravitational", + "electromagnetic", + "nuclear", + "inter-molecular" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The value of gravitational acceleration (g) is ______ at the poles.", + "questionType": "MCQ", + "options": [ + "highest", + "lowest", + "same as equator", + "zero" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A person weighs 60 N on earth. His weight on the moon will be ______.", + "questionType": "MCQ", + "options": [ + "360 N", + "60 N", + "10 N", + "6 N" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The value of g at the equator is ______.", + "questionType": "MCQ", + "options": [ + "9.78 m/s²", + "9.832 m/s²", + "9.8 m/s²", + "6.67 m/s²" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The astronomical object closest to us is the ______.", + "questionType": "MCQ", + "options": [ + "Moon", + "Mars", + "Saturn", + "Mercury" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The minimum velocity of the spacecraft to escape from earth's gravitational force must be ______.", + "questionType": "MCQ", + "options": [ + "112 km/s", + "11.2 km/s", + "1.12 km/s", + "0.112 km/s" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The formula for escape velocity is Vesc = ______.", + "questionType": "MCQ", + "options": [ + "√(2M/R)", + "√(2GM/R)", + "√(GM/R²)", + "√(Gm/R²)" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The value of escape velocity of a body from the earth's surface is ______.", + "questionType": "MCQ", + "options": [ + "√(GM/R)", + "2√(GM/R)", + "√(2GM/R)", + "√(GM/2R)" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The square of the period of revolution of a planet is directly proportional to the ______ of the mean distance from the sun.", + "questionType": "MCQ", + "options": [ + "square", + "square root", + "cube", + "cube root" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The CGS unit of G is ______.", + "questionType": "MCQ", + "options": [ + "dyne.cm²/g²", + "N.m²/kg²", + "dyne.m/g", + "N/kg" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The value of g on the surface of the moon is approximately ______.", + "questionType": "MCQ", + "options": [ + "1.63 m/s²", + "9.8 m/s²", + "6.67 m/s²", + "3.8 m/s²" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The first artificial satellite ______ was sent to space by Soviet Union in 1957.", + "questionType": "MCQ", + "options": [ + "Apollo", + "Chandrayaan", + "Sputnik", + "Luna 2" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The mass of the earth is approximately ______.", + "questionType": "MCQ", + "options": [ + "6×10²⁴ kg", + "6×10²² kg", + "6×10²⁰ kg", + "6×10¹⁸ kg" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A group of students from COEP Pune sent satellite ______ through ISRO in 2016.", + "questionType": "MCQ", + "options": [ + "Luna 6", + "Apollo 6", + "Swayam", + "Param" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The radius of the earth is approximately ______.", + "questionType": "MCQ", + "options": [ + "6400 km", + "4600 km", + "8400 km", + "3600 km" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Kepler's second law states that a planet sweeps ______ areas in equal time intervals.", + "questionType": "MCQ", + "options": [ + "unequal", + "equal", + "proportional", + "inversely proportional" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The orbital velocity of a satellite at height h from earth's surface is ______.", + "questionType": "MCQ", + "options": [ + "√(GM/R+h)", + "√(g(R+h))", + "√(gR²/(R+h))", + "√(2GM/R+h)" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If a spacecraft is to be sent to outer space it must have minimum velocity of ______.", + "questionType": "MCQ", + "options": [ + "11.2 km/s", + "11.6 km/s", + "13.2 km/s", + "1.4 m/s" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The value of g at the centre of the earth is ______.", + "questionType": "MCQ", + "options": [ + "9.8 m/s²", + "4.9 m/s²", + "0", + "infinite" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A geostationary satellite orbits at a height of approximately ______ km.", + "questionType": "MCQ", + "options": [ + "360", + "3600", + "35780", + "357800" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The gravitational force between two masses is F. If both masses are doubled, the new force will be ______.", + "questionType": "MCQ", + "options": [ + "F", + "2F", + "4F", + "F/4" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The weight of a body of mass 5 kg on moon (g______moon = 1.63 m/s²) is ______.", + "questionType": "MCQ", + "options": [ + "8.15 N", + "49 N", + "9.8 N", + "5 N" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which of the following satellites revolve in Low Earth Orbit (LEO)?", + "questionType": "MCQ", + "options": [ + "Communication satellites", + "Weather satellites", + "GPS satellites", + "Remote sensing satellites" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The critical velocity of a satellite orbiting close to earth's surface is approximately ______.", + "questionType": "MCQ", + "options": [ + "8 km/s", + "11.2 km/s", + "3 km/s", + "1.67 km/s" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If the distance between two objects is doubled, the gravitational force becomes ______.", + "questionType": "MCQ", + "options": [ + "double", + "half", + "one-fourth", + "four times" + ], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The value of gravitational acceleration at the centre of the earth is zero.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The value of g is highest at the equator.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The value of G varies from place to place.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The escape velocity on the moon is less than escape velocity on the earth.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: As it rises above the earth's surface, the value of g increases.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Mass is a qualitative measure of the inertia of an object.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The function of a satellite launcher is based on Newton's third law of motion.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Sputnik, Moon, Swayam, Chandrayaan.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Mass : Kilogram :: Weight : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the SI unit of gravitational constant G.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the SI unit of acceleration due to gravity g.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: India is the first country to discover the existence of water on the moon.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The speed of release of an object does not depend on the mass of the object.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: CGS unit of G is dyne.cm²/g².", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Electric motor : converts electrical energy into mechanical energy :: Electric generator : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The value of acceleration g is greater at the pole than at the equator.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The value of gravitational acceleration (g) decreases as we go above the earth's surface.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The value of gravitational acceleration (g) decreases as we go deep inside the earth.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The value of g at the centre of the earth is zero.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When we drop a feather and a stone at the same time from a height, the stone reaches the earth faster than a feather.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The weight of an object varies on different planets.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The weight of an object changes from place to place though its mass is constant.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Stars twinkle but we do not see the twinkling of planets.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The value of g is taken to be negative (-g) when studying the motion of an object thrown upwards.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Escape velocity on the moon is less than escape velocity on the earth.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Space debris can be harmful to the artificial satellites.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Satellite launch vehicles are very costly.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A satellite revolving close to the earth does not need any fuel to maintain its orbit.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Geostationary satellites are not useful for studies of polar regions.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The orbital velocity of a satellite does not depend on the mass of the satellite.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State Newton's Universal Law of Gravitation.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Define acceleration due to gravity. Write its value on the surface of Earth.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is free fall? When is it possible?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Define escape velocity. Write its formula.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is meant by satellite launch vehicle? Name any one Indian satellite launch vehicle.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Distinguish between mass and weight.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the three laws of Kepler.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is meant by Artificial satellite? How are they classified depending on their functions?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Distinguish between Universal gravitational constant (G) and gravitational acceleration (g).", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Mahendra and Virat are sitting at 1 m from each other. Their masses are 75 kg and 80 kg. What is the gravitational force between them? (G = 6.67×10⁻¹¹ Nm²/kg²)", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a geostationary satellite? Write its uses.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a Low Earth Orbit satellite? Give two examples.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The orbit of a satellite is exactly 35780 km above earth's surface and tangential velocity is 3.08 km/s. How much time will it take to complete one revolution? (Radius of earth = 6400 km)", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is Medium Earth Orbit?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write functions of Military satellite and Navigational satellite.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "An object takes 5 s to reach the ground from a height of 5 m on a planet. What is the value of g on the planet?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If a person weighs 750 N on earth, what will be the weight of the person on the moon? (g______moon = g/6)", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Calculate the critical velocity of a satellite to be located at 35780 km above the surface of earth.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is space debris? Suggest ways to manage it.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the names of India's satellite series and launchers.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the diagram of a planet moving around the Sun and answer: (a) What is the orbit of the planet? (b) Relation between velocity and distance from sun? (c) Explain areas ASB, CSD and ESF.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State Newton's universal law of gravitation. Express it mathematically. If the distance between two bodies is tripled, how will the gravitational force change? What if mass of one is doubled?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "easy", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The mass and weight of an object on earth are 5 kg and 49 N. What will be their values on the moon (g______moon = g/6)?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "An object thrown vertically upwards reaches height of 500 m. What was initial velocity? How long to come back? (g = 10 m/s²)", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The masses of earth and moon are 6×10²⁴ kg and 7.4×10²² kg. Distance between them is 3.84×10⁵ km. Calculate the gravitational force. (G = 6.7×10⁻¹¹ Nm²/kg²)", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain in detail: What are the types of artificial satellites? Give the name, function and orbit of each type.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A ball falls off a table and reaches the ground in 1 s. Assuming g = 10 m/s², calculate its speed on reaching the ground and height of the table.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The mass of planet X is four times that of earth and its radius is double. Escape velocity from earth is 11.2×10³ m/s. Find escape velocity from planet X.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State and explain Kepler's three laws of planetary motion with diagrams.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a satellite launcher? Explain the external layout of an ISRO satellite launcher with diagram.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Read the given passage about free fall and answer: (a) The stone held in hand is stable because --- choose correct option. (b) Why does free fall not happen on earth? (c) Why does velocity increase during free fall? (d) Which type of force acts on object during free fall? (e) Why does free fall happen only in vacuum?", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "medium", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the given chart and answer --- Column 1: Location | Column 2: Height from earth's surface | Column 3: g (m/s²). Note the relationship and rewrite connecting each row correctly: Earth's surface, Mount Everest, highest balloon height, orbit of spacecraft, orbit of communication satellite.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Bring out the contribution of India's space missions. Write about Chandrayaan, Mangalyaan and any recent mission with their objectives and achievements.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "1", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Dobereiner laid down the ______ rule.", + "questionType": "MCQ", + "options": [ + "periodic", + "modern periodic", + "triad", + "octaves" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Newlands' Law of Octaves is applicable upto ______.", + "questionType": "MCQ", + "options": [ + "oxygen", + "calcium", + "cobalt", + "potassium" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "At the time of Mendeleev, ______ elements were known.", + "questionType": "MCQ", + "options": [ + "56", + "65", + "63", + "118" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In Modern Periodic Table the number of groups and periods are respectively ______ and ______.", + "questionType": "MCQ", + "options": [ + "16, 7", + "6, 16", + "18, 7", + "18, 6" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The groups 1 and 2 constitute the ______ block.", + "questionType": "MCQ", + "options": [ + "s", + "p", + "d", + "f" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ is the outermost shell for elements of period 2.", + "questionType": "MCQ", + "options": [ + "K", + "L", + "M", + "N" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "According to Mendeleev's periodic law, properties of elements are periodic function of their ______.", + "questionType": "MCQ", + "options": [ + "Atomic numbers", + "Atomic masses", + "Densities", + "Boiling points" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which pair of atomic numbers represents elements in the same group?", + "questionType": "MCQ", + "options": [ + "11, 19", + "6, 12", + "4, 16", + "8, 17" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In Mendeleev's periodic table eka-silicon was later named as ______.", + "questionType": "MCQ", + "options": [ + "Scandium", + "Gallium", + "Germanium", + "Thorium" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In ______ block of the modern periodic table non-metals are found.", + "questionType": "MCQ", + "options": [ + "s-block", + "d-block", + "p-block", + "f-block" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which among the following elements would lose an electron easily?", + "questionType": "MCQ", + "options": [ + "Mg", + "Na", + "Al", + "Cl" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which among the following is the largest element?", + "questionType": "MCQ", + "options": [ + "Na", + "Mg", + "K", + "Ca" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "On moving from left to right in a periodic table, the size of the atom ______.", + "questionType": "MCQ", + "options": [ + "increases", + "decreases", + "decreases first and then increases", + "does not change" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "X and Y are two elements obeying Newlands' Law of Octaves. The minimum and maximum number of elements in between X and Y respectively are ______.", + "questionType": "MCQ", + "options": [ + "6 and 8", + "7 and 15", + "8 and 14", + "6 and 13" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Arrange Na, Si, Cl, Mg, Al in order of decreasing metallic character.", + "questionType": "MCQ", + "options": [ + "Cl > Si > Al > Mg > Na", + "Na > Mg > Al > Si > Cl", + "Na > Al > Mg > Cl > Si", + "Al > Na > Si > Ca > Mg" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which one of the following does NOT increase while moving down the group?", + "questionType": "MCQ", + "options": [ + "Atomic radius", + "Metallic character", + "Valency", + "Number of shells" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The d-block elements are called ______ elements.", + "questionType": "MCQ", + "options": [ + "Transition", + "Metalloid", + "Normal", + "Inner transition" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Atomic radius is expressed in the unit ______.", + "questionType": "MCQ", + "options": [ + "nanometer", + "picometer", + "micrometer", + "millimeter" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The tendency of an element to form cation is the ______ character of that element.", + "questionType": "MCQ", + "options": [ + "non-metallic", + "basic", + "metallic", + "acidic" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ is in liquid form in the halogen family.", + "questionType": "MCQ", + "options": [ + "Fluorine", + "Chlorine", + "Bromine", + "Iodine" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The elements from the zero group are called ______.", + "questionType": "MCQ", + "options": [ + "alkali metals", + "alkaline earth metals", + "halogen", + "noble gases" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The number of electrons in the outermost shell of an atom determines the ______.", + "questionType": "MCQ", + "options": [ + "atomic number", + "atomic mass", + "valency", + "period" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The modern periodic law states that properties of elements are periodic function of their ______.", + "questionType": "MCQ", + "options": [ + "atomic mass", + "atomic number", + "valency", + "electronic configuration" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "How many elements are present between two elements A and B following Newland's octaves rule?", + "questionType": "MCQ", + "options": [ + "5", + "6", + "7", + "8" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The f-block elements are called ______.", + "questionType": "MCQ", + "options": [ + "Transition elements", + "Inner transition elements", + "Normal elements", + "Metalloids" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The element with the smallest atomic radius among group 1 elements is ______.", + "questionType": "MCQ", + "options": [ + "Li", + "Na", + "K", + "Rb" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Silicon is a ______.", + "questionType": "MCQ", + "options": [ + "metal", + "non-metal", + "metalloid", + "noble gas" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The highest electropositive element is ______.", + "questionType": "MCQ", + "options": [ + "Na", + "K", + "Cs", + "Fr" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The highest electronegative element is ______.", + "questionType": "MCQ", + "options": [ + "O", + "Cl", + "F", + "N" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Elements belonging to the same group have the same ______.", + "questionType": "MCQ", + "options": [ + "atomic mass", + "atomic number", + "number of electrons", + "valency" + ], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The similarity between properties of the first and eighth elements is called the octave rule.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Moving from left to right, the size of the atom decreases.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: All the elements in the halogen family are gases.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The metal properties of element decrease as it moves from left to right.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The properties of metal increase as it goes down in the group.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Beryllium and calcium are alkaline earth metals.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The modern periodic table shows 7 horizontal rows called periods.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Lithium, Sodium, Magnesium, Potassium.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Beryllium, Helium, Neon, Argon.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Fluorine, Boron, Bromine, Chlorine.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: F, K, Cl, I.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Eka boron : Scandium :: Eka Aluminum : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Mendeleev's periodic table : atomic mass :: Modern periodic table : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Group 1 and 2 : S block :: group 13 to 18 : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Cl : halogen group :: Ar : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Mendeleev kept vacant places in the periodic table.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "There was ambiguity about the correct position of hydrogen in Mendeleev's periodic table.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Boron and oxygen elements are placed in the second period in the periodic table.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "There was no definitive place for isotopes in Mendeleev's periodic table.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Lithium and sodium are included in the same group in the periodic table.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In the same period, boron and oxygen have different atomic sizes.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The metallic character of elements increases while going down the groups.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The non-metallic character increases while going from left to right in a period.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In group 2, calcium is more electropositive than beryllium.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Elements belonging to the same group have the same valency.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "While going from left to right within a period, the size of atom decreases.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Metallic character goes on decreasing while going from left to right in a period.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Noble gases do not form compounds easily.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The atomic radius of elements increases while going down a group.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Two elements at the same position was a demerit of Newland's octaves law.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State Dobereiner's law of Triads. Give one example of it.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State Newlands' Law of Octaves.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the modern periodic law and give the names of 'blocks' in the modern periodic table.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "An element has electronic configuration 2, 8, 2. (a) Atomic number? (b) Group? (c) Period?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Classify the following elements into Metals and Nonmetals: S, Mg, Al, P, N, Na.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is atomic radius? Write its unit.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is electropositivity? What is electronegativity?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the characteristic of Dobereiner's triads.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the name of noble gas having 2 electrons in its valence shell.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the name of elements having electronic configuration 2, 8, 2.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which two elements show ambiguity regarding their sequence in Mendeleev's periodic table?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "An element X has atomic number 11 and Y has atomic number 13. Both belong to third period. (a) Which is more metallic? (b) Valency of X and Y? (c) Why is atom size of Y smaller than X?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the period in which these elements can be placed: ₄Be, ₁₇Cl, ₂He, ₁₃Al.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Electronic configuration of element A is 2, 8, 1. (a) Atomic number of A? (b) Group of A?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write names of the elements from the description: (a) Metalloids in 2nd and 3rd period. (b) Non-metals in the 3rd period. (c) Two elements having valency 4.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Some elements and their atomic radii are given. Arrange K (231pm), Na (186pm), Rb (244pm), Cs (262pm), Li (151pm) in decreasing order of atomic radii.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "3, 1, 2 electrons are in valence shell of X, Y, Z elements. In which groups do they belong? Write their valency.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is the modern periodic table? How many elements are there in period 1, 2, 3?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Position of A (Period 2, Group 17), B (Period 3, Group 2), C (Period 4, Group 17). (a) Is A metal or nonmetal? (b) Outermost orbit of B? (c) Identify C and its physical state.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The electronic configuration of an element is 2, 8, 2. (a) Atomic number? (b) Column? (c) Row? (d) Chemical properties similar to which element from N(7), Be(4), Ar(18), Cl(17)?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the structure of the modern periodic table in short. Write the number of periods and groups.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "easy", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What physical and chemical properties did Mendeleev consider? What challenges did Mendeleev face?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the periodic table and answer: (a) Name and valencies of elements in 3rd row. (b) Classify into metal, nonmetal and metalloid. (c) Which block do nonmetals belong to? (d) Name any two metalloid elements.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Select appropriate options and complete the paragraph about blocks in modern periodic table (Metals, non-metals, metalloids, four, seven, s-block, p-block, d-block, f-block).", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Describe the merits of the Modern Periodic Table over Mendeleev's Periodic Table.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the name of the element, symbol, atomic number, electronic configuration of 2nd period elements. Arrange in ascending order of atomic mass.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the chart: Shell K (n=1, 2n²=2, capacity=2), L (n=2, 2n²=8, capacity=8), M (n=3), N (n=4). Fill blanks.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Compound XY: X (atomic no. 11) and Y (atomic no. 17). (a) Position of X and Y in modern periodic table. (b) Are X and Y metals, nonmetals or metalloids? (c) From which block? (d) Electronic configuration and valency.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Make a chart showing name, valency, atomic number, electronic configuration of elements in the 2nd row of the modern periodic table.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain: (a) Mendeleev's periodic law (b) State limitations of Dobereiner's law of triads (c) Describe the merits of Mendeleev's periodic table (d) What are the demerits of Mendeleev's periodic table?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the given chart. Element A (config 2,1), B (config 2,8), C (config 2,8,1), D (config 2,8,8). (a) Which elements are in same row? (b) Same column? (c) Which elements are in 18th column? (d) Which is more reactive, A or C? (e) Which of A or B is found in its compound?", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Atomic number of 10, 20, 7 --- write information about the given atomic numbers in the table: Atomic Number | Electronic configuration | Groups | Periods | Elements.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the periodic table. (a) Write name and valencies of elements in 3rd row. (b) Classify elements in this row in metal, nonmetal and metalloids. (c) Which block does nonmetals belong to? (d) Write name of any two metalloid elements.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "2", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Writing a chemical reaction in brief by using chemical formulae is called ______.", + "questionType": "MCQ", + "options": [ + "chemical change", + "chemical symbol", + "chemical equation", + "chemical reaction" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The chemical reaction in which two or more products are formed from a single reactant is called ______ reaction.", + "questionType": "MCQ", + "options": [ + "decomposition", + "combination", + "displacement", + "double displacement" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In the chemical equation the ______ are written on the left hand side.", + "questionType": "MCQ", + "options": [ + "products", + "reactants", + "element", + "catalyst" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "CaO + H₂O → Ca(OH)₂ + Heat is an example of ______ reaction.", + "questionType": "MCQ", + "options": [ + "Exothermic", + "Electrolysis", + "Decomposition", + "Endothermic" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The conversion of ferrous sulphate into ferric sulphate is ______ reaction.", + "questionType": "MCQ", + "options": [ + "Oxidation", + "Displacement", + "Electrolysis", + "Reduction" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Aqueous solution of ZnSO₄ is added into the aqueous solution of BaCl₂. This is the example of ______ reaction.", + "questionType": "MCQ", + "options": [ + "displacement", + "double displacement", + "redox", + "reduction" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When the positive charge on an ion increases or the negative charge decreases it is called ______.", + "questionType": "MCQ", + "options": [ + "reduction", + "corrosion", + "oxidation", + "decomposition" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "2H₂ + O₂ → 2H₂O : Combination :: 2HgO → 2Hg + O₂ : ______.", + "questionType": "MCQ", + "options": [ + "Decomposition", + "Displacement", + "Redox", + "Exothermic" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which of the following is NOT a chemical change?", + "questionType": "MCQ", + "options": [ + "Burning of wood", + "Rusting of iron", + "Dissolution of salt in water", + "Souring of milk" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Carbonate ores are strongly heated in limited supply of air. This process is called ______.", + "questionType": "MCQ", + "options": [ + "leaching", + "calcination", + "roasting", + "tinning" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The reaction in which ions in the reactants are exchanged to form a precipitate is called ______ reaction.", + "questionType": "MCQ", + "options": [ + "Combination", + "Decomposition", + "Displacement", + "Double Displacement" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When crystals of copper sulphate are strongly heated, the residue obtained is ______.", + "questionType": "MCQ", + "options": [ + "red in colour", + "blue in colour", + "green in colour", + "colourless" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which of the following is an endothermic reaction?", + "questionType": "MCQ", + "options": [ + "CaO + H₂O → Ca(OH)₂ + Heat", + "HCl + NaOH → NaCl + H₂O + Heat", + "2KClO₃ → 2KCl + 3O₂", + "Mg + O₂ → 2MgO" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The chemical reaction in which two reactants form two products by exchange of ions is called ______.", + "questionType": "MCQ", + "options": [ + "Combination", + "Decomposition", + "Single displacement", + "Double displacement" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "CuSO₄(aq) + Fe(s) → ______ + ______.", + "questionType": "MCQ", + "options": [ + "FeSO₄ + Cu", + "Cu + FeO", + "CuO + FeSO₄", + "FeO + Cu" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The reaction in which a substance combines with oxygen is called ______.", + "questionType": "MCQ", + "options": [ + "reduction", + "combination", + "oxidation", + "decomposition" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In a redox reaction, the substance which is oxidised is called ______.", + "questionType": "MCQ", + "options": [ + "oxidising agent", + "reducing agent", + "catalyst", + "reactant" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The decomposition reaction of limestone gives ______.", + "questionType": "MCQ", + "options": [ + "CaO + H₂O", + "CaO + CO₂", + "Ca(OH)₂ + CO₂", + "CaCO₃ + CO₂" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The reaction between an acid and a base to produce salt and water is called ______.", + "questionType": "MCQ", + "options": [ + "combination", + "neutralization", + "decomposition", + "displacement" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The substance that speeds up a chemical reaction but is not consumed is called ______.", + "questionType": "MCQ", + "options": [ + "reactant", + "product", + "catalyst", + "solvent" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which of the following is a combination reaction?", + "questionType": "MCQ", + "options": [ + "2KClO₃ → 2KCl + 3O₂", + "2H₂ + O₂ → 2H₂O", + "Fe + CuSO₄ → FeSO₄ + Cu", + "NaOH + HCl → NaCl + H₂O" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In the reaction CuO + H₂ → Cu + H₂O, the substance that undergoes oxidation is ______.", + "questionType": "MCQ", + "options": [ + "CuO", + "H₂", + "Cu", + "H₂O" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The reaction 2Mg + O₂ → 2MgO is a ______ reaction.", + "questionType": "MCQ", + "options": [ + "Decomposition", + "Displacement", + "Combination", + "Redox" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The factor that affects the rate of a chemical reaction includes ______.", + "questionType": "MCQ", + "options": [ + "atomic mass", + "temperature", + "colour of reactant", + "density" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What type of reaction is: Fe₂O₃ + 2Al → Al₂O₃ + 2Fe?", + "questionType": "MCQ", + "options": [ + "Combination", + "Double displacement", + "Displacement", + "Decomposition" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In which of the following reactions is there no change in oxidation state?", + "questionType": "MCQ", + "options": [ + "CaO + H₂O → Ca(OH)₂", + "2H₂ + O₂ → 2H₂O", + "Fe + CuSO₄ → FeSO₄ + Cu", + "2KClO₃ → 2KCl + 3O₂" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Rancidity of food is an example of ______ reaction.", + "questionType": "MCQ", + "options": [ + "reduction", + "oxidation", + "combination", + "double displacement" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The equation NaOH + HCl → NaCl + H₂O is ______.", + "questionType": "MCQ", + "options": [ + "balanced", + "not balanced", + "needs coefficients", + "impossible" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The balanced form of Mg + O₂ → MgO is ______.", + "questionType": "MCQ", + "options": [ + "Mg + O₂ → MgO", + "2Mg + O₂ → 2MgO", + "Mg + O → MgO", + "Mg₂ + O₂ → 2MgO" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which colour change is observed when lime water is passed through CO₂?", + "questionType": "MCQ", + "options": [ + "Blue to red", + "Colourless to milky white", + "White to blue", + "Red to white" + ], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: A redox reaction takes place during cellular respiration.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Rancidity is an oxidation process.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: If edible oil is kept for a long time, it will get sour.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Substances that can give oxygen to other substances are called reducing agents.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The alternating current is a vibrating current.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The number of atoms of each element must be equal on both sides of a balanced equation.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Reactants : Left side :: Products : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Endothermic reaction : absorbs heat :: Exothermic reaction : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Cooking of food, Ripening of fruit, Milk turned into curd, Transformation of ice into water.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Zinc, Iron, Phosphorus, Sodium.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the balanced equation: CuSO₄(aq) + Fe(s) → ______ + ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Identify exothermic and endothermic: (a) HCl + NaOH → NaCl + H₂O + heat (b) 2KClO₃ → 2KCl + 3O₂ (c) CaO + H₂O → Ca(OH)₂ + Heat", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Potassium permanganate is an oxidizing compound.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Calcination is done in excess of air.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: HCl, NaOH, NaCl, H₂SO₄. (Hint: one is a salt)", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When the gas formed on heating limestone is passed through freshly prepared lime water, the lime water turns milky.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "It is recommended to use an air-tight container for storing oil for a long time.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "It takes time for pieces of Shahabadi tile to disappear in HCl but its powder disappears rapidly.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Always paint door and windows before using their nets.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Ethylene is an unsaturated hydrocarbon.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The colour of iodine disappears in the reaction between vegetable oil and tincture iodine.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Vegetable ghee is formed from the hydrogenation of vegetable oil in presence of nickel catalyst.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The flame appears yellow in the ignition of naphthalene.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In some countries, ethanol is used as an additive to increase the efficiency of petrol.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Adding zinc particles to a solution of copper sulphate makes the blue solution colourless.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A chemical equation must be balanced.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Magnesium burns with a dazzling white flame in air.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The rate of reaction increases with increase in temperature.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Crushing a solid into powder increases the rate of reaction.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A catalyst is used in the industrial production of ammonia.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What are reactants and products? Explain with the help of examples.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State the factors affecting the rate of chemical reaction. Explain any one factor.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a balanced chemical equation? Write the three steps of writing it.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a combination reaction? Give one example with balanced equation.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a decomposition reaction? Give one example with balanced equation.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a displacement reaction? Give one example with balanced equation.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a double displacement reaction? Give one example with balanced equation.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a redox reaction? Give one example.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Classify the following reactions into Exothermic and Endothermic: (a) Mg burned in air forms MgO (b) HCl + NaOH → NaCl + H₂O + Heat (c) 2KClO₃ → 2KCl + 3O₂ (d) CaO + H₂O → Ca(OH)₂ + Heat (e) CaCO₃ → CaO + CO₂", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Balance the equation: NaOH + H₂SO₄ → Na₂SO₄ + H₂O. Write names of reactants and products.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the following reactions with balanced equation: (a) Ammonia reacts with hydrogen chloride. (b) Hydrogen sulphide reacts with sulphur dioxide.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Identify the reactions where reactants undergo oxidation and reduction: (a) 2Ag₂O → 4Ag + O₂ (b) 2Mg + O₂ → 2MgO (c) NiO + H₂ → Ni + H₂O", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Distinguish between oxidation and reduction.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is corrosion? Give one example with chemical equation.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the concept of Roasting and Calcination with examples.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is rancidity? How can we prevent it?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain sodium burns in air with balanced chemical equation.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Ferric oxide is reacted with aluminium. Write the balanced equation. Name the type of reaction.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The reaction between magnesium and dilute HCl --- write balanced equation and identify type of reaction.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What are catalysts? Give a chemical reaction in which a catalyst is used.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the diagram of acetic acid + sodium carbonate experiment and answer: (a) Name the reactants. (b) Which gas comes out as effervescence? (c) Colour change in lime water? (d) Instead of sodium carbonate, which chemical gives same products? (e) Write the use of acetic acid.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "easy", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "NaOH + H₂SO₄ → Na₂SO₄ + H₂O. (a) Write names of reactants and products. (b) List elements. (c) Write number of atoms. (d) Balance with proper coefficient. (e) If oxidation means losing electrons, what is reduction?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write three steps of writing chemical equations with example. Explain the concept of balancing.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is meant by decomposition reaction? Write the chemical reaction of decomposition of sugar on heating.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain: (a) What is corrosion? (b) What is electrolysis? (c) Which changes occur during chemical changes? (d) What is a reaction which involves oxidation and reduction simultaneously? Explain with one example.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the diagram (calcium carbonate + acetic acid → CaO + CO₂) and answer: (a) Write chemical reaction in balanced form. (b) Name the gas coming out. (c) Why do small bubbles appear in lime water? (d) What is the colour change?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Match the columns --- Reactants, Products, Types of chemical reaction: (b) MgH₂ → Mg + H₂ --- Endothermic (c) 2H₂S + SO₂ → 3S + 2H₂O --- Oxidation (d) CaO + H₂O → Ca(OH)₂ + heat --- Exothermic", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the factors affecting the rate of chemical reaction with an example.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain sodium aluminate reacts with water; zinc carbonate is heated in limited air; zinc oxide is treated with carbon --- write balanced equations for each.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the figure showing rusting of iron (corrosion diagram). Write: (a) Which process is shown? (b) Explain the chemical reaction shown. (c) Write reactions on anode and cathode.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the diagram of acetic acid + sodium carbonate experiment and answer: (a) Write chemical reaction in balanced form. (b) Name the gas coming out of the large test tube. (c) Why do small bubbles of lime appear in the small test tube? (d) What is the colour change of lime water?", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Read the following paragraph about corrosion and answer: (a) What are metals? (b) What is corrosion? (c) Which metals are found in free state? (d) What is rust? Write its chemical formula.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "medium", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the following reactions and complete: sodium burns in air; reaction of aluminium with oxygen; magnesium reacts with dil HCl; aluminium reacts with dil hydrochloric acid; iron nail/dust in aqueous solution of copper sulphate. Write balanced equations for all.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "3", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The unit of electrical power is ______.", + "questionType": "MCQ", + "options": [ + "Volt", + "Watt", + "Joule", + "Ampere" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The 'live' and the 'neutral' wires have potential difference of ______.", + "questionType": "MCQ", + "options": [ + "110 V", + "202 V", + "201 V", + "220 V" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In an electric bulb, coil of ______ metal is used.", + "questionType": "MCQ", + "options": [ + "copper", + "Tungsten", + "aluminium", + "iron" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The frequency of AC is ______ Hz.", + "questionType": "MCQ", + "options": [ + "20 Hz", + "50 Hz", + "25 Hz", + "75 Hz" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A coil of alloy ______ is used in electric heater-cooker as a resistor.", + "questionType": "MCQ", + "options": [ + "Stainless steel", + "Nichrome", + "Copper", + "Bronze" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ is used for electrical measurements.", + "questionType": "MCQ", + "options": [ + "Thermometer", + "Galvanometer", + "Voltmeter", + "Electric meter" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The electricity bill specifies the usage in ______.", + "questionType": "MCQ", + "options": [ + "kilowatt", + "Joule", + "Volt", + "Unit (kWh)" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The right hand thumb rule is also called ______ rule.", + "questionType": "MCQ", + "options": [ + "Newton's law", + "Newland's law", + "Mendeleev's periodic law", + "Maxwell's cork-screw" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ is used to make a solenoid type coil in an electric bulb.", + "questionType": "MCQ", + "options": [ + "Nichrome", + "Copper", + "Tungsten", + "Aluminium" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The SI unit of resistance is ______.", + "questionType": "MCQ", + "options": [ + "Volt", + "Ampere", + "Ohm", + "Watt" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When current in the circuit suddenly increases, ______ switches are used.", + "questionType": "MCQ", + "options": [ + "MCA", + "MCC", + "MCD", + "MCB" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which scientist invented the rule of electromagnetic induction?", + "questionType": "MCQ", + "options": [ + "Newton", + "Kepler", + "Mendeleev", + "Michael Faraday" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ device is used to produce electricity.", + "questionType": "MCQ", + "options": [ + "Electric motor", + "Galvanometer", + "Electric generator", + "Voltmeter" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The resistance of the wire is 100 Ω. Current of 1 A for 10 seconds. Heat produced will be ______.", + "questionType": "MCQ", + "options": [ + "10 J", + "10000 J", + "0.1 J", + "1000 J" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Fleming's right hand rule is used to determine the direction of ______ in an electric generator.", + "questionType": "MCQ", + "options": [ + "current", + "force", + "magnetic field", + "voltage" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Fleming's left hand rule is used to determine the direction of ______ in an electric motor.", + "questionType": "MCQ", + "options": [ + "current", + "induced EMF", + "motion/force", + "voltage" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The heating effect of electric current is also known as ______ effect.", + "questionType": "MCQ", + "options": [ + "Faraday's", + "Joule's", + "Ohm's", + "Maxwell's" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "An electric motor converts electrical energy into ______.", + "questionType": "MCQ", + "options": [ + "heat energy", + "light energy", + "mechanical energy", + "chemical energy" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A galvanometer is used to detect ______.", + "questionType": "MCQ", + "options": [ + "voltage", + "small electric current", + "resistance", + "power" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A fuse wire is used to ______.", + "questionType": "MCQ", + "options": [ + "increase current", + "decrease resistance", + "prevent overloading", + "store electricity" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The number of units of electricity consumed by a 1000 W appliance in 2 hours is ______.", + "questionType": "MCQ", + "options": [ + "1 unit", + "2 units", + "500 units", + "0.5 units" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The device that converts mechanical energy into electrical energy is ______.", + "questionType": "MCQ", + "options": [ + "Electric motor", + "Electric generator", + "Transformer", + "Battery" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In a solenoid, the magnetic field produced is similar to that of a ______.", + "questionType": "MCQ", + "options": [ + "circular loop", + "bar magnet", + "horseshoe magnet", + "electromagnet" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Electrical energy is measured in ______.", + "questionType": "MCQ", + "options": [ + "Watt", + "Joule", + "kWh", + "Volt" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The device used to convert alternating current to direct current is ______.", + "questionType": "MCQ", + "options": [ + "Transformer", + "Rectifier", + "Generator", + "Motor" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The heat produced by current I in a conductor of resistance R in time t is ______.", + "questionType": "MCQ", + "options": [ + "IR²t", + "I²Rt", + "IRt", + "I²R²t" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "An electric iron of 1000 W is used for 2 hours. The energy consumed is ______.", + "questionType": "MCQ", + "options": [ + "1 kWh", + "2 kWh", + "500 Wh", + "0.5 kWh" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The principle behind working of electric motor is ______.", + "questionType": "MCQ", + "options": [ + "heating effect of current", + "magnetic effect of current", + "chemical effect of current", + "electromagnetic induction" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The principle behind working of electric generator is ______.", + "questionType": "MCQ", + "options": [ + "heating effect of current", + "magnetic effect of current", + "chemical effect of current", + "electromagnetic induction" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Earthing wire is used to ______.", + "questionType": "MCQ", + "options": [ + "increase current", + "protect from electric shock", + "decrease voltage", + "store electrical energy" + ], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The alternating current is a vibrating current.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Electrical wires and neutral wires have a 220 V potential difference.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Increasing the current passing through the wire decreases the magnetic field intensity.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The frequency of the alternating current is 50 Hz.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Electrochemicals are devices that convert electrical energy into mechanical energy.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The use of galvanometers is for electrical measurements.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Voltmeter, Ammeter, Galvanometer, Electric motor.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Loud speaker, Magnet, Microphone, Electric motor.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Fuse wire, bad conductor, Rubber gloves, Generator.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Boiler, Electric stove, Electric bulb, Electric bell.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Match the column: Direct current : non-oscillatory :: Alternating current : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Tungsten, Nichrome, Aluminium, Iron.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Electric motor : converts electrical energy into mechanical energy :: Electric generator : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Identify the law from the given figure (Right hand thumb rule): Label what the thumb represents and what the fingers represent.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: An electric motor works on the principle of electromagnetic induction.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Tungsten metal is used to make a solenoid type coil in an electric bulb.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "For electric power transmission, copper or aluminium wire is used.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Simple microscope is used for watch repairs.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A coil made up of alloy Nichrome is used in electric heater-cooker as a resistor.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Nowadays MCBs are used in homes to stop the current which suddenly increases.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In practice, the unit of kWh is used for measurement of electrical energy, rather than Joule.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "It is beneficial to carry electrical energy as AC over long distances.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A magnetic needle shows decreasing deviation as distance from a current conductor is increased.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Earthing is important in domestic wiring.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A fuse wire is used as a safety device in electric circuits.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The coil of an electric heater glows but the connecting cord does not.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Electrical energy is transmitted at high voltage over long distances.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Alternating current (AC) is preferred over direct current (DC) for long-distance transmission.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Two wires carrying current in the same direction attract each other.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A short circuit can cause a fire.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is the heating effect of electric current?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a solenoid? Draw a neat diagram and name its various components.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write Fleming's Right Hand Rule and Left Hand Rule.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Distinguish between Direct current and Alternating current.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a short circuit? How does it form? What is its effect?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the use of earthing wire.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is the potential difference?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "How much Volts potential difference between live and neutral wires?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is used to turn off the sudden increase in current in the electrical circuit nowadays?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write two devices based on the heating effect of electric current.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is overloading? When does it occur? How can overloading be avoided?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "An electrical iron of 1100 W is operated for 2 hours daily. What are the electrical expenses for April? (5 Rs per unit)", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Who will spend more electrical energy? 500 W TV Set in 30 mins, or 600 W heater in 20 mins?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is an electric motor? In which appliances do we use it?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Name three appliances based on the heating effect of electric current.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Name three appliances based on the magnetic effect of electric current.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "An electric tungsten bulb is connected at 220 V. Current of 0.45 A flows. What is the power? If kept on for 10 hours, how many units consumed?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write a short note on the galvanometer.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Give one function of each: (a) Communication satellite (b) Earth observation satellite.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the Right hand thumb rule with the help of a diagram.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Identify the figure (electric motor). (a) Which device? (b) On which rule is the working based? (c) Give any two uses.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "easy", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the construction and working of an electric motor with diagram.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the structure and function of an electric generator with diagram.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the application of heating effect of electric current in an electric bulb with diagram.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Draw a neat labelled diagram to show the magnetic effect of electric current.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the figure (Fleming's right hand / left hand rule) and name and explain the concept behind each.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the construction and working of a galvanometer.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Name the following diagrams and explain the concept behind them --- (a) Right hand thumb rule (b) Fleming's right hand rule.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is the importance of fuse wire? Explain its uses.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain magnetic field created by current around a conductor. Draw a neat labelled diagram.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write answers for: (a) Name three appliances based on heating effect. (b) Name three appliances based on magnetic effect. (c) Write Fleming's right hand rule. (d) Write Fleming's left hand rule. (e) Write right hand thumb rule.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "medium", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the diagrams of magnetic effect of electric current and answer: (a) Which effect is shown? (b) What if number of cells is increased? (c) If distance between conductor and needle is increased, what is effect? (d) If ends of cell are interchanged? (e) Name two instruments that work on magnetic effect.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the figure (electric motor/generator) and answer: (a) Which device is shown? (b) Explain the principle on which this device works. (c) Write any three uses of this device.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "4", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The SI unit of heat is ______.", + "questionType": "MCQ", + "options": [ + "Calorie", + "Joule", + "Kcal/kg°C", + "Cal/g°C" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The SI unit of specific heat capacity is ______.", + "questionType": "MCQ", + "options": [ + "Kcal", + "Cal", + "Cal/g°C", + "J/Kg°C" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "1 calorie = ______ joule.", + "questionType": "MCQ", + "options": [ + "4.18", + "4.81", + "3.18", + "4.00" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ apparatus is used to study the anomalous behaviour of water.", + "questionType": "MCQ", + "options": [ + "calorimeter", + "Joule's apparatus", + "Hope's apparatus", + "Thermos flask" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The SI unit of heat is ______.", + "questionType": "MCQ", + "options": [ + "Kcal", + "Cal", + "Joule", + "erg" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "From the options given below, the specific heat of ______ is maximum.", + "questionType": "MCQ", + "options": [ + "copper", + "silver", + "iron", + "mercury" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Ice-ball is prepared from shredded ice. This is the example of ______.", + "questionType": "MCQ", + "options": [ + "melting", + "condensation", + "regelation", + "freezing" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The vapour content in the air is measured by ______.", + "questionType": "MCQ", + "options": [ + "relative humidity", + "dew point", + "absolute humidity", + "none of these" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When the temperature of water decreases below 4°C its volume ______.", + "questionType": "MCQ", + "options": [ + "decreases", + "increases", + "remains same", + "none of these" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The volume of water is maximum at ______.", + "questionType": "MCQ", + "options": [ + "4°C", + "0°C", + "100°C", + "-4°C" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State whether 'The volume of water at 4°C is maximum' is True or False.", + "questionType": "MCQ", + "options": [ + "True", + "False", + "Partially true", + "Cannot be determined" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The density of water is maximum at ______.", + "questionType": "MCQ", + "options": [ + "0°C", + "4°C", + "100°C", + "-4°C" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The temperature at which a substance changes from solid to liquid at constant pressure is called ______.", + "questionType": "MCQ", + "options": [ + "boiling point", + "melting point", + "dew point", + "freezing point" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ heat is necessary to raise 1 kg of water from 14.5°C to 15.5°C.", + "questionType": "MCQ", + "options": [ + "4180 Joule", + "1 KJoule", + "calorie", + "4180 calorie" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Vapours in air condenses to form ______.", + "questionType": "MCQ", + "options": [ + "fog", + "snowfall", + "rainfall", + "b and c" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Humid and dry nature of air depends on the ______.", + "questionType": "MCQ", + "options": [ + "amount of vapor in the air", + "amount of vapor to make the air saturated", + "temperature of the air", + "volume of the air" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The specific heat capacity of water is ______.", + "questionType": "MCQ", + "options": [ + "1 cal/g°C", + "0.5 cal/g°C", + "2 cal/g°C", + "0.1 cal/g°C" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Relative humidity greater than 60% means the air is ______.", + "questionType": "MCQ", + "options": [ + "dry", + "saturated", + "humid", + "supersaturated" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The latent heat of fusion is the heat required to convert ______.", + "questionType": "MCQ", + "options": [ + "gas to liquid", + "liquid to gas", + "solid to liquid at constant temperature", + "liquid to solid" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The latent heat of vaporization is expressed in ______.", + "questionType": "MCQ", + "options": [ + "J/kg", + "cal/g°C", + "J/°C", + "cal/kg" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Regelation is the phenomenon where ice ______.", + "questionType": "MCQ", + "options": [ + "melts due to heat", + "converts to vapour", + "melts under pressure and refreezes on removal of pressure", + "absorbs heat" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The anomalous behaviour of water refers to the fact that water ______.", + "questionType": "MCQ", + "options": [ + "expands on heating", + "contracts below 4°C", + "expands from 0°C to 4°C", + "contracts on cooling at all temperatures" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The unit of absolute humidity is ______.", + "questionType": "MCQ", + "options": [ + "g/m³", + "kg/m³", + "mol/L", + "g/L" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The dew point temperature is the temperature at which ______.", + "questionType": "MCQ", + "options": [ + "water freezes", + "water boils", + "relative humidity becomes 100%", + "relative humidity becomes 60%" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "1 kg of dry air at 40°C can hold a maximum of ______ g of water vapor.", + "questionType": "MCQ", + "options": [ + "49", + "29", + "19", + "59" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When the boiling water is constantly heated, its temperature ______.", + "questionType": "MCQ", + "options": [ + "increases", + "decreases", + "does not change", + "fluctuates" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The principle of heat exchange states that ______.", + "questionType": "MCQ", + "options": [ + "Heat is created", + "Heat lost by hot object = heat gained by cold object", + "Temperature always increases", + "Heat is destroyed" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which method is used to determine specific heat capacity of a substance?", + "questionType": "MCQ", + "options": [ + "Hope's method", + "Joule's method", + "Method of mixtures (calorimeter)", + "Thermometer method" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The specific heat capacity of silver is 0.056 cal/g°C. This means ______.", + "questionType": "MCQ", + "options": [ + "Silver takes more heat than water", + "Silver takes less heat than water to raise temperature", + "Silver does not conduct heat", + "Silver boils at 0.056°C" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "While going in a homologous series, the boiling point ______.", + "questionType": "MCQ", + "options": [ + "decreases", + "increases", + "remains same", + "varies randomly" + ], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The specific heat capacity of water is 1 cal/g°C.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Humidity relative to dew point temperature is 100%.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: All metals have the same specific heat capacity.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The invisible heat of evaporation is called latent heat of vaporization.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Name the behaviour of water between its temperature from 0°C to 4°C.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The unit of absolute humidity is Kg/m³.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Calorimeters are used to measure specific calorific value.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Specific latent heat of vaporisation : J/Kg :: Specific heat : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Relative humidity greater than 60%: saturated air :: relative humidity less than 60% : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: During regelation, ice is converted to water at a temperature of 0°C.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Temperature, Conduction, Convection, Radiation.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: 1 calorie is 4.81 joules.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: cal/g, cal/g°C, Kcal/Kg°C, erg/g°C. (Hint: one is not specific heat unit)", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The dew point temperature does not depend on the amount of vapor in the air.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: While studying anomalous behavior in Hope's apparatus: upper thermometer : 0°C :: lower thermometer : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In cold regions, in winter the pipes for water supply break.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Even if boiling water is constantly heated, its temperature does not rise.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The bottom of some steel utensils used for cooking is copper.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Drops of water can be seen accumulating on the glass of vehicles in the early hours of winter.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Fish can survive even in frozen ponds in cold regions.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Placing a plastic bottle filled with water in the freezer can cause the bottle to explode.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Even the wire moves through the ice slab, the ice slab does not break.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Use a pressure cooker to cook food in cold air.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In cold regions, snow falls in winter.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "During winter season, we may observe a white trail at the back of a flying plane.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The geostationary satellites are not useful for studies of polar regions.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In cold regions in winter, the rocks crack due to anomalous expansion of water.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Drops of water appear on the outer surface of a bottle taken out of the refrigerator.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The specific heat of water is very high, which makes it a good coolant.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When two objects at different temperatures are placed together in an insulated box, they eventually reach the same temperature.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Define boiling point of a liquid.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is meant by regelation?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "How is fog formed?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is dew point temperature?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Define specific heat capacity. Write its S.I. unit.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What does the existence of drops of water on the leaves of a tree in the morning indicate?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which temperature segment is chosen when determining the unit of heat? Why?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "How much heat will be required to raise the temperature of 5 kg of water from 20°C to 100°C? [c = 1 kcal/kg°C]", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the amount of heat needed to raise the temperature of a silver container of mass 100 g by 10°C. (c = 0.056 cal/g°C)", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If water of mass 60 g and temperature 60°C is mixed with water of mass 60 g and temperature 40°C, what will be the maximum temperature of the mixture?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the amount of heat needed to raise the temperature of a piece of iron of mass 500 g by 20°C. (c = 0.110 cal/g°C)", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is latent heat? How will the state of matter transform if latent heat is given off?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the volume-temperature graph of water and answer: (a) Which process does the graph represent? (b) What is the range of temperature responsible for the behaviour?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Name the principle used to measure the specific heat capacity of a substance.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is absolute humidity? Write its unit.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is relative humidity? When is air said to be saturated?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False and give reason: The volume of water at 4°C is maximum.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is the role of anomalous behaviour of water in preserving aquatic life in cold climate?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Draw a neat and labelled diagram of Hope's apparatus.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the Principle of Heat Exchange.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the following temperature-time graph (heating ice to steam). Identify lines AB, BC, CD, D onwards.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "easy", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain how heat capacity of a solid can be determined by the method of mixture (calorimeter).", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Read the passage on Principle of Heat Exchange and answer: (a) Where does heat transfer take place? (b) Which principle? (c) How can this principle be explained in short? (d) For measuring which property is this principle used?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Read the activity (three spheres iron/copper/lead on wax slab) and answer: (a) Which property is determined? (b) Name that property. (c) Explain the Principle of Heat Exchange with the help of this activity.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the given picture (frozen pond with fish) and answer: (a) Which property do you understand? (b) What is the temperature of the water at the surface? (c) What is the temperature below the layer of ice?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Geeta observed white trail at the back of aeroplane in a clear sky. Answer: (i) What is the effect of relative humidity of air surrounding the plane? (ii) What if relative humidity of air surrounding the plane is low? (iii) When the air is dry and humid?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The cold object and hot object are enclosed in one box of heat resistant material. (a) What changes will occur when temperature flows? (b) Which principle can show that energy exchange takes place between two objects only?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "How can you relate the formation of water droplets on the outer surface of a bottle taken out of the refrigerator with formation of dew?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A copper sphere of 100 g mass is heated to 100°C and released in water of mass 195 g at 20°C in a copper calorimeter of mass 50 g. What is the maximum temperature of water? (Specific heat of copper = 0.1 cal/g°C)", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain: (a) Anomalous behaviour of water (b) Latent heat of fusion (c) Specific heat capacity (d) Dew point temperature.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the following temperature-time graph in detail. Write what happens at each stage: solid heating, melting, liquid heating, boiling, vapour.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "medium", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A copper sphere of 100 g mass is heated to raise its temperature to 100°C and released in water of mass 195 g and temperature 20°C in a copper calorimeter. Mass of calorimeter is 50 g. What is maximum temperature of water? (Specific heat of copper = 0.1 cal/g°C)", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Read the passage on principle of heat exchange and answer all five questions about heat transfer, temperature equalization, the principle, and the calorimeter experiment.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "5", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Due to ______ pencil looks bent in water.", + "questionType": "MCQ", + "options": [ + "refraction of light", + "dispersion of light", + "internal reflection of light", + "reflection of light" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "We see the sun even after it goes below the horizon, because ______.", + "questionType": "MCQ", + "options": [ + "refraction of light", + "dispersion of light", + "partial reflection of light", + "reflection of light" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ is the unit of refractive index.", + "questionType": "MCQ", + "options": [ + "cm", + "m", + "degree", + "refractive index has no unit" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "We can see the sun even when it is little below the horizon because of ______.", + "questionType": "MCQ", + "options": [ + "Reflection of light", + "Refraction of light", + "Dispersion of light", + "Absorption of light" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Light changes its direction when going from one transparent medium to another. This is called ______.", + "questionType": "MCQ", + "options": [ + "reflection of light", + "refraction of light", + "dispersion of light", + "absorption of light" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The process of separation of light into its component colours while passing through a medium is called ______.", + "questionType": "MCQ", + "options": [ + "reflection of light", + "refraction of light", + "dispersion of light", + "absorption of light" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The wavelength of red light is ______ nm.", + "questionType": "MCQ", + "options": [ + "400", + "500", + "600", + "700" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ has the highest refractive index.", + "questionType": "MCQ", + "options": [ + "Air", + "Water", + "Glass", + "Diamond" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If the refractive index of air with respect to glass is 2/3, what is the refractive index of glass with respect to air?", + "questionType": "MCQ", + "options": [ + "2/3", + "3/2", + "1/3", + "1/2" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A ray of light strikes the glass slab at an angle 40° with the surface. The angle of incidence will be ______.", + "questionType": "MCQ", + "options": [ + "50°", + "40°", + "60°", + "90°" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The refractive index of diamond is ______.", + "questionType": "MCQ", + "options": [ + "2.42", + "1.54", + "1.36", + "1.50" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "For a particular value of 'i', the value of 'r' becomes equal to 90°. This value of 'i' is called the ______.", + "questionType": "MCQ", + "options": [ + "critical angle", + "angle of deviation", + "angle of refraction", + "angle of emergence" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The refractive index of air is ______.", + "questionType": "MCQ", + "options": [ + "1.0003", + "1.33", + "1.5", + "1.0" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The refractive index of water is ______.", + "questionType": "MCQ", + "options": [ + "1.31", + "1.36", + "1.33", + "1.5" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Snell's law is related to ______.", + "questionType": "MCQ", + "options": [ + "reflection of light", + "refraction of light", + "dispersion of light", + "absorption of light" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The speed of light in a medium with refractive index 1.5 is ______ m/s.", + "questionType": "MCQ", + "options": [ + "3×10⁸", + "2×10⁸", + "1.5×10⁸", + "4.5×10⁸" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When light passes from a denser medium to a rarer medium, it bends ______.", + "questionType": "MCQ", + "options": [ + "towards the normal", + "away from the normal", + "along the normal", + "does not bend" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The colour with maximum deviation in dispersion through a prism is ______.", + "questionType": "MCQ", + "options": [ + "red", + "orange", + "violet", + "yellow" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Light travels fastest in ______.", + "questionType": "MCQ", + "options": [ + "water", + "glass", + "diamond", + "vacuum" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If the refractive index of glass with respect to air is 3/2, the refractive index of air with respect to glass is ______.", + "questionType": "MCQ", + "options": [ + "1/2", + "3", + "1/3", + "2/3" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In the spectrum of white light, which colour has the highest frequency?", + "questionType": "MCQ", + "options": [ + "Red", + "Green", + "Yellow", + "Violet" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In the spectrum of white light, which colour has the lowest frequency?", + "questionType": "MCQ", + "options": [ + "Red", + "Violet", + "Yellow", + "Indigo" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Total internal reflection occurs when light passes from ______.", + "questionType": "MCQ", + "options": [ + "rarer to denser", + "denser to rarer", + "vacuum to air", + "air to water" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Rainbow is formed due to ______.", + "questionType": "MCQ", + "options": [ + "reflection only", + "refraction only", + "dispersion only", + "refraction, dispersion and total internal reflection" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The deviation of violet colour in a prism is ______ than that of red colour.", + "questionType": "MCQ", + "options": [ + "less", + "more", + "equal", + "none" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "n = sin i / sin r. This law is also called ______.", + "questionType": "MCQ", + "options": [ + "Faraday's law", + "Snell's law", + "Ohm's law", + "Newton's law" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The angle of incidence equals the angle of refraction when light passes ______.", + "questionType": "MCQ", + "options": [ + "at 45°", + "at 90°", + "perpendicular to the surface", + "at critical angle" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When the incident ray is parallel to the principal axis, the refracted ray passes through ______.", + "questionType": "MCQ", + "options": [ + "optical centre", + "principal focus", + "centre of curvature", + "infinity" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A mirage is formed due to ______.", + "questionType": "MCQ", + "options": [ + "reflection", + "refraction", + "total internal reflection", + "dispersion" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Scintillation (twinkling) of stars is due to ______.", + "questionType": "MCQ", + "options": [ + "reflection of starlight", + "atmospheric refraction", + "dispersion", + "total internal reflection" + ], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The incident rays and refracting rays are on opposite sides of the normal.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Purple has the lowest refractive index.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The speed of light varies in different media.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Match: Refractive index of water → (a) 1.31, (b) 1.36, (c) 1.33.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Convex lens : converging :: Concave lens : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The speed of light in vacuum is 3×10⁸ m/s.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: A rainbow is the combined effect of refraction, dispersion and total internal reflection of light.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Refractive index of air is 1.0003.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: All light travels at the same speed in all media.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Rainbow, Earthquake, Sunset, Sunrise.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: When the incident ray is parallel to the principal axis, the refracted ray does not pass through the principal focus.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: Nearsightedness : elongated eyeball :: Farsightedness : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Focal length, Radius of curvature, Image distance, Size of Image.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Red light wavelength close to 700 nm :: Violet light wavelength close to : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: 2n1 : Refractive index of medium 1 with respect to medium 2 :: 1n2 : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The sun appears on the western horizon for some time after sunset.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The stars twinkle but we don't see twinkling of planets.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A pencil appears to be broken near the surface of water.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The coin at the bottom of a pot appears when water is poured, even though it was not visible before.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "We see the sun even before it emerges above the horizon.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A rainbow is a combined effect of refraction, dispersion and total internal reflection of light.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The apparent position of stars keep changing a bit.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Violet light bends more than red light in a prism.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A swimming pool appears shallower than it actually is.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Light bends towards the normal when it enters a denser medium from a rarer medium.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Generally, most of the carbon compounds are bad conductors of electricity.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The sky appears blue during the day.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The sun appears red during sunrise and sunset.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Total internal reflection cannot occur when light travels from a rarer medium to a denser medium.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Diamonds sparkle more than glass.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is refraction of light? Explain with the help of an example.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is meant by dispersion of light?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State the laws of refraction of light.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Define refractive index. Write its formula.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Define critical angle.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a spectrum of white light? Write the colours in order.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If the absolute refractive index of water is 1.36, find the speed of light in water. (Speed of light in vacuum = 3×10⁸ m/s)", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If the absolute refractive index of glass and water are 3/2 and 4/3 respectively, what is the refractive index of glass with respect to water?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If the speed of light in a medium is 1.5×10⁸ m/s, what is the absolute refractive index of the medium?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Speed in first medium v1 = 3×10⁸ m/s, speed in second medium = 2×10⁸ m/s. Find ₂n₁.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the given figure of refraction (ray through glass slab) and name: Ray AB, Ray NM, Ray MD, and angle r.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Identify the process shown in the figure (dispersion). State and explain it. Name the colour that deviates most and least. Name one natural phenomenon based on this process.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the given figure (dispersion) and answer: (a) Which colour light bends most? (b) Which colour light bends least? (c) What is the wavelength of violet light?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain why the sun appears reddish early in the morning.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is meant by 'mirage'? In which condition is it seen? Give one more example.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain: why does the sky appear blue?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Draw a neat and labelled diagram for: Dispersion of light through a prism.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the given figure and write appropriate phenomenon of light in the box for three images (total internal reflection, refraction of coin in water, dispersion through prism).", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is total internal reflection? When does it occur?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Identify the wrong figure from the following --- diagram A shows light bending incorrectly, diagram B shows correct bending. Identify wrong one and explain why.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the given diagram (dispersion through glass prism) and answer: (a) Name the process. (b) Name colour that deviates most. (c) Name colour that deviates least. (d) Name one natural phenomenon. (e) Define 'spectrum'.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "easy", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A rainbow is the combined effect of refraction, dispersion and total internal reflection of light. Prove this statement with diagram and explain it.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is refraction of light? Draw the diagram of refraction of light in glass slab. Write the laws of refraction.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the given figure and name the following: Ray AB, Ray NM, Ray MD, angle r, angle i.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is dispersion of light? Explain with the help of a neat labelled diagram. Name the phenomenon in nature based on dispersion.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain: (a) What is refraction? (b) What is dispersion? (c) What is total internal reflection? (d) What is a critical angle? (e) Give one example of each.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the given figure and write appropriate phenomenon of light: (A) total internal reflection in glass block (B) coin appearing in water (C) dispersion through glass prism.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the formation of a rainbow with the help of a neat diagram.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State and explain Snell's law of refraction. How is it used to find the refractive index?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Identify the figure and explain its use: (diagram shows glass prism separating light) --- Name the process, name two colours, write a use of dispersion.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the given diagram and answer: (a) Name the process shown. (b) Which colour deviates most? (c) Which colour deviates least? (d) Name one phenomenon in nature based on this process. (e) Define 'spectrum'.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Identify the phenomenon shown in the figure below. State and explain it: (diagram shows refraction of light going from one medium to another with bending).", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "medium", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the given diagram and answer: (a) State Newton's universal law of gravitation (b) If distance between bodies is tripled, how will gravitational force change? (c) What will happen if mass of one object is doubled? (d) Give the SI unit of G. (e) What is g? Write its value.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "6", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A ray of light gets refracted ______ while entering the lens.", + "questionType": "MCQ", + "options": [ + "once", + "twice", + "thrice", + "doesn't happen" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The point inside the lens through which light rays pass without changing their path is called ______.", + "questionType": "MCQ", + "options": [ + "centre of curvature", + "optical centre", + "principal focus", + "axiom point" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Virtual image is formed if an object is placed ______.", + "questionType": "MCQ", + "options": [ + "at infinity", + "at 2F₁", + "at focus F₁", + "between F₁ and O" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In a convex lens, if object is placed at 2F₁, the image is formed at ______.", + "questionType": "MCQ", + "options": [ + "F₁", + "2F₂", + "beyond 2F₂", + "same side as object" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "For a normal human eye, the near point is at ______.", + "questionType": "MCQ", + "options": [ + "2.1 cm", + "2.5 cm", + "25 cm", + "5 cm" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In a relaxed state, the focal length of healthy eyes is ______.", + "questionType": "MCQ", + "options": [ + "2 cm", + "2.5 cm", + "25 cm", + "5 cm" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In Myopia, the human eye ______.", + "questionType": "MCQ", + "options": [ + "cannot see nearby objects", + "cannot see distant objects clearly", + "cannot see any objects", + "can see all objects" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Bifocal lens is required to correct ______ defect.", + "questionType": "MCQ", + "options": [ + "myopia", + "hypermetropia", + "presbyopia", + "none of these" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ is a combination of two convex lenses with small focal length.", + "questionType": "MCQ", + "options": [ + "simple microscope", + "compound microscope", + "telescope", + "none of these" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In simple microscope ______ lens is used.", + "questionType": "MCQ", + "options": [ + "Concave", + "Plano concave", + "Plano convex", + "Convex" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "For normal human eye, the minimum distance of distinct vision is ______.", + "questionType": "MCQ", + "options": [ + "50 cm", + "75 cm", + "25 cm", + "22 cm" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The type of lens used in a simple microscope is ______.", + "questionType": "MCQ", + "options": [ + "concave", + "cylindrical", + "convex", + "plano-concave" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A small hole of changing diameter at the centre of Iris is called ______.", + "questionType": "MCQ", + "options": [ + "optic nerves", + "cornea", + "optic disc", + "pupil" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The image formed by a concave lens is always ______ and ______.", + "questionType": "MCQ", + "options": [ + "real and inverted", + "virtual and erect", + "real and erect", + "virtual and inverted" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Power of a lens P = ______.", + "questionType": "MCQ", + "options": [ + "1/f", + "f", + "2/f", + "f/2" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A convex lens with focal length 20 cm has power ______.", + "questionType": "MCQ", + "options": [ + "20 D", + "0.05 D", + "5 D", + "0.2 D" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Presbyopia can be corrected using ______.", + "questionType": "MCQ", + "options": [ + "concave lens", + "convex lens", + "bifocal lens", + "cylindrical lens" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The ability of the eye lens to change its focal length is called ______.", + "questionType": "MCQ", + "options": [ + "persistence of vision", + "power of accommodation", + "visual acuity", + "colour blindness" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In hypermetropia, the image is formed ______.", + "questionType": "MCQ", + "options": [ + "in front of the retina", + "behind the retina", + "on the retina", + "on the cornea" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In myopia, the image is formed ______.", + "questionType": "MCQ", + "options": [ + "in front of the retina", + "behind the retina", + "on the retina", + "on the cornea" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The persistence of vision is about ______.", + "questionType": "MCQ", + "options": [ + "1/16 second", + "1 second", + "1/100 second", + "1/60 second" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A person suffering from colour blindness cannot distinguish between ______.", + "questionType": "MCQ", + "options": [ + "black and white", + "red and green", + "blue and yellow", + "dark and light" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The retina in our eyes is made up of ______ and ______ cells.", + "questionType": "MCQ", + "options": [ + "rod and cone", + "nerve and muscle", + "bipolar and unipolar", + "optic and corneal" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Two convex lenses of focal lengths f₁ and f₂ are kept in contact. The power of combination is ______.", + "questionType": "MCQ", + "options": [ + "P₁ × P₂", + "P₁ + P₂", + "P₁ - P₂", + "P₁ / P₂" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A concave lens of focal length 25 cm has power ______.", + "questionType": "MCQ", + "options": [ + "+4 D", + "-4 D", + "+0.25 D", + "-0.25 D" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The size of the image seen by the eye depends on ______.", + "questionType": "MCQ", + "options": [ + "the actual size of the object", + "the distance of the object from the eye", + "the angle held by the object with the eye", + "the colour of the object" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The lens of the eye is ______ when looking at nearby objects.", + "questionType": "MCQ", + "options": [ + "flattened", + "more curved / thicker", + "removed", + "unchanged" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When object is at focus F₁ of convex lens, image is formed at ______.", + "questionType": "MCQ", + "options": [ + "infinity", + "F₂", + "2F₂", + "between F and 2F" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "For object between F₁ and O of convex lens, image is ______.", + "questionType": "MCQ", + "options": [ + "real and inverted", + "virtual, erect and magnified", + "virtual and diminished", + "real and erect" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A compound microscope uses ______ convex lenses.", + "questionType": "MCQ", + "options": [ + "one", + "two", + "three", + "four" + ], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Convex magnifying glass is called divergent magnifying glass.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The lens of the eye is flattened when looking at nearby objects.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: For a healthy human eye, the distant point is at infinite distance.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The image of the object in the human eye is formed on the cornea.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Nearsightedness : Concave lens :: Farsightedness : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Focal length : metre :: Power of lens : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Bifocal lens is used to correct presbyopia.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Simple Microscope, Compound microscope, Telescope, Prism.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Eye lens, Retina, Cerebellum, Cornea.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Object at 2F₁ of a convex lens : Image at 2F₂ :: Object at F₁ : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Simple microscope : Number of convex lens one :: Compound microscope : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Identify the defect of vision shown in the figure (myopia/hypermetropia).", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Nearsightedness : elongated eyeball :: Farsightedness : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Eye piece, Magnifier, Kaleidoscope, Telescope.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Rod-like cells in the eye respond to intensity of light.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A convex lens is called a converging lens.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Nearsightedness can be corrected by using spectacles with concave lens.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Farsightedness can be corrected by using convex lens.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Simple microscope is used for watch repairs.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Adults need bifocal lens spectacles.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Presbyopia effect is more common in people over 40 years of age.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "One can sense colours only in bright light.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "We cannot clearly see an object kept at a distance less than 25 cm from the eye.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A concave lens always forms virtual image.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Due to elongation of eyeball, a person cannot see distant objects clearly.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The movie cannot be enjoyed if the screen is too close to the audience.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The image on the retina is inverted but we see objects as upright.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A lens with a shorter focal length has greater power.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Bifocal lenses have two different powers --- one for near and one for far vision.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Rod cells respond even in faint light while cone cells do not.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The focal length of a convex lens is 20 cm. What is its power?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the power of a convex lens of focal length + 25 cm.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Define optical centre of a lens.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Define principal focus of a lens.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Define focal length of a lens.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Define magnification produced by a lens.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is the minimum distance of distinct vision for a normal human eye?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If two concave lenses of focal length 30 cm are kept in contact, what will be the power of combination?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "5 cm high object is placed at 20 cm from a converging lens of focal length 10 cm. Determine position, size and type of image.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "An object is placed at 20 cm from a convex lens. Height = 5 cm, focal length = 10 cm. Find position, size and nature of image.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Two convex lenses of focal length 30 cm and 10 cm are kept in contact. Find power of combination.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the table for convex lens --- (a) object at infinity: image at? (b) object at 2F₁: image? (c) object between F₁ and O: image?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Draw the image formed by convex lens, if object is placed at 2F₁.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is the power of accommodation of the eye?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the paragraph by choosing the right options (minimum, near point, 25 cm, farthest, farthest distance).", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "An object is placed at a distance of 10 cm, convex lens of focal length 12 cm. Find at what distance the image is placed. State its position and nature.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Kavita's spectacles have power −2.5 dioptre. (a) Which lenses? (b) What defect? (c) Find focal length.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the function of the human eye. Label parts of the figure given (cornea, pupil, iris, lens, retina, optic nerve).", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Name the defect of vision shown in the figure. Draw an accurate labelled diagram to correct this defect.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In the following figure, observe the change in shape of the lens while seeing distant and nearby objects. Complete the figure with correct labelled diagram.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain with a ray diagram the position, size and nature of images formed by convex lens for: (a) infinity (b) beyond 2F₁ (c) at 2F₁ (d) between F₁ and 2F₁ (e) at focus F₁ (f) between F₁ and O.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "easy", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Draw a neat labelled diagram of human eye. (a) Name the type of lens in the eye. (b) Name the screen where maximum refraction occurs. (c) State the nature of the image formed on the retina.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Draw diagram of 'image formed by concave lens'. State the nature of image formed. If focal length of concave lens is 25 cm, find the power.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the compound microscope diagram and answer: (a) Where are such lenses used? (b) What type of image is formed by objective lens? (c) What happens if object is placed between O and Fo?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain: Persistence of vision. How does it enable us to watch movies?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Choose the correct option from the bracket and complete the paragraph about retina (colour blind, actual, conical, light sensitive, rodlike, colours).", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the paragraph --- The minimum distance of an object from a normal eye at which it is clearly visible without stress is called ...... point. For normal human eye, the near point is at ...... cm. The farthest distance is called ......", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the figure showing the defect of vision. Name the defect and draw an accurate labelled diagram to correct this defect.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the construction and working of a simple microscope. Why is it used for watch repairs?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the construction and working of a compound microscope with a neat labelled diagram.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Answer: (a) What is the minimum distance of distinct vision for normal human eye? (b) Identify the defect of vision from the given figure. (c) Focal length of a convex lens is 25 cm --- what is its power? (d) Define power of a lens.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Draw a scientifically correct labelled diagram of a human eye and answer: (a) Name the type of lens in the human eye. (b) Name the screen at which maximum incident light is refracted. (c) State the nature of the image formed on the screen inside the eye.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "medium", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the table for convex lens and complete it --- (a) object at infinity: image at F₂, point, real, inverted (b) object at 2F₁: image at 2F₂, ______, real, inverted (c) object between F₁ and O: same side, very large, ______", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "7", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Bronze is an alloy of ______.", + "questionType": "MCQ", + "options": [ + "copper and tin", + "copper and zinc", + "copper and iron", + "iron and nickel" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ is an alloy made from iron, nickel and chromium.", + "questionType": "MCQ", + "options": [ + "brass", + "bronze", + "stainless steel", + "amalgam" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In electrolytic reduction of alumina, ______ is used as a cathode.", + "questionType": "MCQ", + "options": [ + "sulphur", + "graphite", + "platinum", + "aluminium" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which of the following method is used to prevent greenish layer on brass due to corrosion?", + "questionType": "MCQ", + "options": [ + "electroplating", + "anodization", + "tinning", + "alloying" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Aluminium oxide is ______ oxide.", + "questionType": "MCQ", + "options": [ + "acidic", + "basic", + "neutral", + "amphoteric" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The chemical formula of zinc blend is ______.", + "questionType": "MCQ", + "options": [ + "ZnSO₄", + "ZnS", + "ZnCO₃", + "ZnO" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Corrosion of silver causes a black layer of ______.", + "questionType": "MCQ", + "options": [ + "Silver nitrate", + "silver oxide", + "silver sulphide", + "silver carbonate" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "To prevent corrosion of iron and steel, ______ method is used.", + "questionType": "MCQ", + "options": [ + "electroplating", + "anodization", + "tinning", + "galvanizing" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In ______ process a layer of molten tin is deposited on metals.", + "questionType": "MCQ", + "options": [ + "Anodization", + "Tinning", + "Galvanizing", + "Alloying" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "To prevent rusting, a layer of ______ metal is applied on iron sheets.", + "questionType": "MCQ", + "options": [ + "potassium", + "sodium", + "magnesium", + "zinc" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The minerals from which the metal can be separated economically are called ______.", + "questionType": "MCQ", + "options": [ + "minerals", + "ores", + "gangue", + "alloy" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Bauxite is the ore of ______.", + "questionType": "MCQ", + "options": [ + "copper", + "tin", + "aluminium", + "zinc" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Extraction of moderately reactive elements is done by ______ and ______ method.", + "questionType": "MCQ", + "options": [ + "roasting and calcination", + "roasting and reduction", + "separation and calcination", + "none of these" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Ionic compounds are electrically ______.", + "questionType": "MCQ", + "options": [ + "positively charged", + "negatively charged", + "neutral", + "conductor" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ is good conductor of heat but bad conductor of electricity.", + "questionType": "MCQ", + "options": [ + "graphite", + "diamond", + "coal", + "iodine" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ is the least reactive metal.", + "questionType": "MCQ", + "options": [ + "silver", + "sodium", + "zinc", + "gold" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When one of the metals in an alloy is mercury the alloy is called ______.", + "questionType": "MCQ", + "options": [ + "amalgam", + "sodium amalgam", + "zinc amalgam", + "all the above" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Iron is ______.", + "questionType": "MCQ", + "options": [ + "more reactive than zinc", + "more reactive than aluminium", + "less reactive than copper", + "less reactive than aluminium" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Atomic number of aluminium is ______ and its electronic configuration is ______.", + "questionType": "MCQ", + "options": [ + "13, (2,8,3)", + "12, (2,8,2)", + "13, (3,10)", + "12, (2,10)" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The molecular formula of main ore of aluminium is ______.", + "questionType": "MCQ", + "options": [ + "Al₂O₃", + "Al₂O₃·2H₂O", + "AlF₃", + "Na₃AlF₆" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In electrolytic reduction of alumina, anode is made of ______.", + "questionType": "MCQ", + "options": [ + "copper", + "graphite", + "iron", + "aluminium" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Froth floatation method uses ______ in the process.", + "questionType": "MCQ", + "options": [ + "water only", + "pine oil", + "acid", + "base" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In Wilfley table method, the particles of gangue are separated by ______ separation method.", + "questionType": "MCQ", + "options": [ + "Magnetic", + "Froth floatation", + "Leaching", + "gravitation" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If Cu, Fe, Zn, Al are arranged in increasing order of reactivity, the correct order is ______.", + "questionType": "MCQ", + "options": [ + "Cu, Fe, Zn, Al", + "Al, Cu, Fe, Zn", + "Zn, Al, Cu, Fe", + "Fe, Zn, Al, Cu" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In preparation of Aqua regia, hydrochloric acid and ______ acid are mixed.", + "questionType": "MCQ", + "options": [ + "sulphuric acid", + "nitric acid", + "carbonic acid", + "phosphoric acid" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Anodization is used for prevention of corrosion of ______.", + "questionType": "MCQ", + "options": [ + "iron", + "copper", + "aluminium", + "zinc" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The sound of one metal colliding with another is called ______.", + "questionType": "MCQ", + "options": [ + "good conductors", + "ductility", + "sonority", + "malleability" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ exist in liquid state at room temperature.", + "questionType": "MCQ", + "options": [ + "Chlorine", + "Bromine", + "Iodine", + "Fluorine" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which of the following is the molecular formula of cryolite?", + "questionType": "MCQ", + "options": [ + "CaF₂", + "Na₃AlF₆", + "Al₂O₃", + "Al₂O₃·H₂O" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The process of strongly heating sulphide ores in excess of air to convert them into oxides is called ______.", + "questionType": "MCQ", + "options": [ + "calcination", + "roasting", + "smelting", + "leaching" + ], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Ionic compounds are soluble in kerosene.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Mercury, silver, gold are highly reactive metals.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Diamond is a hard substance.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Diamond is a good conductor of electricity.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Tinning, Alloying, Anodization, Froth floatation.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Zinc coating, Tinning, Electroplating, Calcination.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Copper, Iron, Mercury, Brass.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Brass, Bronze, Phosphorous, Steel.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Bauxite : Aluminium ore :: Cassiterite : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Metal sheets : Malleable :: Electric wires : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: In electrolytic method, a layer of highly active metal is applied to a less active metal.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Zinc sulphide : Roasting :: Zinc carbonate : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Rusting of iron : Fe₂O₃ :: Corrosion of copper : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Pressure cooker : Anodizing :: Silver plated spoons : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Na, K, Cu, Li. (Hint: one is not an alkali metal)", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Sodium is always kept in kerosene.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Pine oil is used in froth formation.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Lemon or tamarind is used for cleaning copper vessels turned greenish.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "On exposure to air, silver articles turn blackish after some time.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Anodization method is useful for prevention of corrosion of aluminium.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Adding zinc particles to a solution of copper sulphate makes the blue solution colourless.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Generally the ionic compounds have high melting points.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Coins are made from metals and alloys.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Most metals do not occur in nature in free state.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Gold and silver are found in free state in nature.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Anodes need to be replaced from time to time during the electrolysis of alumina.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Magnetic separation method is used to separate the magnetic ingredients in the ores.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Cryolite and fluorspar are added in the mixture in electrolytic reduction of alumina.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The process of Bayer's is done before Hall's process in extraction of aluminium.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Electrolysis is used to obtain pure metal from impure metal.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is an alloy? Give two examples of alloy.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the concept of Roasting and Calcination.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Differentiate between Calcination and Roasting.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What are amphoteric oxides? Explain with examples.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the characteristics of Ionic compounds.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is corrosion? Give one example with chemical equation.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is gangue? How is it removed?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is metallurgy? Write the main steps involved.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Classify the following metals based on reactivity: Cu, Zn, Ca, Mg, Fe, Na, Li, Hg → More/Moderately/Less reactive.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "When a copper coin is dipped in silver nitrate solution, it shows a lustre. Explain with chemical equation.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the term anodization with example. Give one use.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the molecular formulas: (a) Cryolite (b) Fluorspar (c) Sodium aluminate (d) Copper pyrite.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain Bayer's process.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Read from the reactivity series. (a) Name two metals which react with water. (b) Name two moderately reactive metals. (c) Which is highly reactive and which is least reactive?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the Froth floatation method briefly.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Electronic configuration of metal A is 2,8,1. Electronic configuration of Metal B is 2,8,8,2. Which metal is more reactive? Explain with reason.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the Hydraulic separation method with a neat labelled diagram.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is electrolysis? Explain with one example.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the anode and cathode reaction during electrolysis of alumina.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Distinguish between Froth floatation and Leaching.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the diagram of Electrolytic reduction of alumina and answer: (a) Name the method. (b) What is anode and cathode? (c) Molecular formula and use of cryolite. (d) Anode reaction. (e) Cathode reaction.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "easy", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain in brief types of extraction of highly reactive, moderately reactive and less reactive metals.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain Bayer's process of concentration of bauxite with chemical equation.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the Froth floatation method with a neat labelled diagram.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is corrosion? Give solutions by giving examples of corrosion.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the Hydraulic separation method with a neat labelled diagram.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "According to reactivity series Zinc is more reactive than Iron. (a) What is reactivity? (b) What happens when iron nails are dipped in silver nitrate? (c) Which type of reaction happens? (d) What if zinc rod is used instead?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the diagram (electrolysis --- silver plating) and answer: (a) Name the method. (b) Explain the method. (c) Give two examples of this method.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the diagram (electrolytic reduction of alumina --- graphite anode/cathode) and answer: (a) Name the method. (b) Write anode reaction and cathode reaction. (c) Why are fluorspar and cryolite added?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Answer the questions on the following passage about metallurgy: (a) What are metals? (b) Which processes are in metallurgy? (c) Which metals are found in free state? (d) In what form are metals found in composite? (e) What is soil impurity?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the figure of Froth floatation and Magnetic separation methods. Name and explain each briefly. Give two examples of each method.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "medium", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain in brief electrolytic reduction of alumina with a neat labelled diagram. Write anode and cathode reactions. Why is cryolite added?", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the difference between Bayer's process and Hall's process. What is the melting point of alumina and how is the melting point reduced? Why do anodes need to be replaced from time to time?", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "8", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The unsaturated hydrocarbons containing a carbon-carbon double bond are called ______.", + "questionType": "MCQ", + "options": [ + "Alkenes", + "Alkanes", + "Alkynes", + "Alcohol" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The unsaturated hydrocarbons whose structures contain a carbon-carbon triple bond are called ______.", + "questionType": "MCQ", + "options": [ + "Alkenes", + "Alkanes", + "Alkynes", + "Alcohol" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The general molecular formula for the homologous series of alkynes is ______.", + "questionType": "MCQ", + "options": [ + "CnH₂n", + "CnH₂n+2", + "CnH₂n-2", + "CnH₂n-1" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "At room temperature ethanol is ______.", + "questionType": "MCQ", + "options": [ + "solid", + "gas", + "plasma", + "liquid" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Generally ______ is called spirit.", + "questionType": "MCQ", + "options": [ + "methanol", + "ethanol", + "propanol", + "butanol" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Number of valence electrons in a carbon atom is ______.", + "questionType": "MCQ", + "options": [ + "4", + "5", + "1", + "3" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ is the functional group of carboxylic acid.", + "questionType": "MCQ", + "options": [ + "---COOH", + "---CO---", + "---CHO", + "---OH" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "From the following, ______ is the cyclic hydrocarbon.", + "questionType": "MCQ", + "options": [ + "isobutane", + "propyne", + "benzene", + "isobutylene" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "______ is one of the combustible components of L.P.G.", + "questionType": "MCQ", + "options": [ + "Methane", + "Ethane", + "Propane", + "Butane" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "While going in increasing order of length, the molecular mass of members rises by ______.", + "questionType": "MCQ", + "options": [ + "14 u", + "15 u", + "16 u", + "17 u" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The melting point of pure ethanoic acid is ______.", + "questionType": "MCQ", + "options": [ + "17°C", + "19°C", + "15°C", + "27°C" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The general molecular formula for alkanes is ______.", + "questionType": "MCQ", + "options": [ + "CnH₂n", + "CnH₂n+2", + "CnH₂n-2", + "CnH₂n-1" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The general molecular formula for alkenes is ______.", + "questionType": "MCQ", + "options": [ + "CnH₂n", + "CnH₂n+2", + "CnH₂n-2", + "CnH₂n-1" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The phenomenon in which compounds have different structural formulae but same molecular formula is called ______.", + "questionType": "MCQ", + "options": [ + "structural isomerism", + "catenation", + "homologous series", + "functional group" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The bond between two oxygen atoms is ______ bond.", + "questionType": "MCQ", + "options": [ + "double", + "triple", + "single", + "none of these" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Ethylene has molecular formula ______.", + "questionType": "MCQ", + "options": [ + "C₂H₂", + "C₂H₄", + "C₂H₆", + "CH₄" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Acetylene has molecular formula ______.", + "questionType": "MCQ", + "options": [ + "C₂H₂", + "C₂H₄", + "C₂H₆", + "CH₄" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "CH₃-COOH is the structural formula of ______.", + "questionType": "MCQ", + "options": [ + "methanol", + "ethanoic acid", + "ethanol", + "propanoic acid" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The functional group of ketone is ______.", + "questionType": "MCQ", + "options": [ + "-OH", + "-CO-", + "-COOH", + "-CHO" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The functional group of aldehyde is ______.", + "questionType": "MCQ", + "options": [ + "-OH", + "-CO-", + "-COOH", + "-CHO" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Benzene has the molecular formula ______.", + "questionType": "MCQ", + "options": [ + "C₆H₆", + "C₆H₁₂", + "C₆H₁₄", + "C₆H₁₀" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In a homologous series, consecutive members differ by ______.", + "questionType": "MCQ", + "options": [ + "CH₂", + "CH₄", + "C₂H₆", + "CH₃" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The process of addition of hydrogen to unsaturated hydrocarbon is called ______.", + "questionType": "MCQ", + "options": [ + "oxidation", + "reduction", + "hydrogenation", + "substitution" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Saponification is the process of ______.", + "questionType": "MCQ", + "options": [ + "making ester from acid and alcohol", + "hydrolysis of ester to make soap", + "oxidation of alcohol", + "reduction of acid" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Esterification is the process of ______.", + "questionType": "MCQ", + "options": [ + "hydrolysis of ester", + "reaction of acid and alcohol to form ester", + "oxidation of ester", + "reduction of acid" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which of the following is a saturated hydrocarbon?", + "questionType": "MCQ", + "options": [ + "C₂H₄", + "C₂H₂", + "C₂H₆", + "C₆H₆" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Catenation is the unique property of ______.", + "questionType": "MCQ", + "options": [ + "nitrogen", + "oxygen", + "carbon", + "hydrogen" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The molecular formula of ethanol is ______.", + "questionType": "MCQ", + "options": [ + "CH₄O", + "C₂H₅OH", + "C₂H₂", + "C₂H₄" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "LPG is mainly composed of ______.", + "questionType": "MCQ", + "options": [ + "methane", + "ethane", + "propane and butane", + "pentane" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The IUPAC name of CH₃-CH₂-OH is ______.", + "questionType": "MCQ", + "options": [ + "methanol", + "ethanol", + "propanol", + "butanol" + ], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Carbon compounds contain only free chains of carbon atoms.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: LPG Butane is a flammable element.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Colorless ethanol is in liquid state at room temperature.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Ethanol is completely soluble in water.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The number of valence electrons of carbon is 4.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: In general, saturated compounds are more reactive than unsaturated compounds.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Benzene is a cyclic unsaturated hydrocarbon.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Ethylene, Styrene, Propylene, Teflon.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Butane, Methane, Benzene, Ozone.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Saturated hydrocarbon : Single bond :: Unsaturated hydrocarbon : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: CH₄, C₂H₆, C₅H₁₂, CaCO₃. (Hint: one is not a hydrocarbon)", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: C₂H₂, C₃H₈, C₂H₆, CH₄. (Hint: one is unsaturated)", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Cyclohexane : Cyclic hydrocarbon :: Isobutylene : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Saturated carbon compounds : blue flame :: Unsaturated carbon compounds : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Kotone : -CO- :: Ester : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Carbon has the property of forming many compounds (catenation).", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Benzene compounds are called aromatic compounds.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Ethylene is an unsaturated hydrocarbon.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Ethanoic acid is also called acetic acid.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Generally the melting and boiling points of carbon compounds are less than 300°C.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The hydrogenation of vegetable oil in presence of nickel catalyst forms Vanaspati-ghee.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The colour of iodine disappears in the reaction between vegetable oil and tincture iodine.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The flame appears yellow in the ignition of naphthalene.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "In some countries, ethanol is used as an additive to increase the efficiency of petrol.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Carbon forms a very large number of compounds compared to other elements.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "LPG is a better fuel than wood or coal.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Saturated hydrocarbons give a blue flame while unsaturated hydrocarbons give a yellow/sooty flame.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Cyclohexane is called a closed chain or cyclic hydrocarbon.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Two carbon atoms can form single, double or triple bonds with each other.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Easter is a sweet-smelling dish.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the molecular formula of the given compounds: 1. Ethylene 2. Benzene 3. Acetic acid 4. Propylene 5. Acetylene 6. Ethyl alcohol 7. Acetone 8. Propene", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State any two uses of ethanol.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What are vinegar and gasohol? What are their uses?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the concept of catenation power.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a functional group? Give two examples with their functional groups.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a homologous series? Give two examples.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the IUPAC names of: (i) CH₃-CH₂-COOH (ii) CH₃-CHOH-CH₃ (iii) CH₃-CO-CH₂-CH₃", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the characteristics of Ethanol.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the characteristics of ethanoic acid.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the concept of heteroatoms with examples.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is structural isomerism? Give one example.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Draw electron dot structure and line structure for: 1. Hydrogen 2. Methane 3. Ethene", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the following reactions with examples: (a) Addition reaction (b) Substitution reaction", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the IUPAC names of the following: (a) CH₃-CH(OH)-CH₃ (b) CH₃-CH₂-CH₂-CH(Cl)-CH₃", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the table with writing IUPAC name: ethylene, acetylene, acetic acid, methyl alcohol, ethyl alcohol, acetaldehyde, acetone, ethyl methyl ketone.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain esterification and saponification with balanced equations.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What are aromatic hydrocarbons? Give one example with electron dot structure.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the homologous series table for Alkenes: Ethene (C₂H₄), Propene (C₃H₆), 1-Butene (C₄H₈), 1-Pentene (C₅H₁₀).", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the given chart with the correct functional group for carbon compounds: Ester, Aldehyde, Ketone, Carboxylic acid, Alcohol, Ether.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the molecular formula of the following compounds: 1. Ethyl ethanoate 2. Sodium ethanoate 3. Sodium ethoxide 4. Stearic acid 5. Oleic acid 6. Palmitic acid", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Define Homologous series. Complete the table for Homologous series of Alkanes (Name, Molecular formula, Condensed Structural formula, No. of carbon atoms, No. of -CH₂- units, Boiling point).", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "easy", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the following table with correct structural formula and molecular formula for: Ethane (C-C), Butane (C-C-C-C), Heptane (C-C-C-C-C-C-C, C₇H₁₆), Octane (C₈H₁₈).", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the following table with writing IUPAC name of carbon compounds: ethylene, acetylene, acetic acid, methyl alcohol, ethyl alcohol, acetaldehyde, acetone, ethyl methyl ketone, ethyl amine, n-propyl chloride.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the structural formula and answer: 1. Write the name of the given hydrocarbon. 2. The given hydrocarbon is included in which type? 3. What kind of compounds with this characteristic structure are called?", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the following chart by using examples --- Straight Chain Hydrocarbons | Branched chain Hydrocarbons | Cyclic Hydrocarbon. Use: isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the following reactions with examples: (a) Addition reaction (b) Substitution reaction (c) Esterification (d) Saponification", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the names of the hydrocarbons for the given structural formulae (propene, cyclohexane, propyne, cyclohexene, isobutylene, benzene, cyclopentane, isobutane).", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the following activity: (Boiling point of ethanol, General name of ethanol, Use of ethanol, Boiling point of ethanoic acid, Melting point of pure ethanoic acid).", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the following table with writing correct structural formula and molecular formula for: C₁ (CH₄, Methane), C₂ (Ethane), C₃ (Propane), C₄ (Butane), C₅ (C₅H₁₂, Pentane), C₆ (Hexane), C₇ (Heptane), C₈ (C₈H₁₈, Octane), C₉ (Nonane), C₁₀ (Decane).", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the characteristics of covalent bond. Write the characteristics of carbon compounds.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Answer the following: (a) Draw the electron-dot structure of Methane. (b) Define Homologous series. (c) Write the IUPAC names of: (i) CH₃-CH₂-COOH (ii) CH₃-CHOH-CH₃ (iii) CH₃-CO-CH₂-CH₃", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "medium", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the structural formula (benzene ring) and answer: 1. Write the name of the given hydrocarbon. 2. The given hydrocarbon is included in which type of hydrocarbon? 3. What kind of compounds with the above characteristic structure are called?", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A rainbow is the combined effect of the refraction, dispersion and total internal reflection of light. Write it into the circle. Also observe the diagram and complete the following activity for Homologous series of Alkanes: complete table upto Decane.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "9", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Due to ______ we can gather information about worldwide events sitting at home.", + "questionType": "MCQ", + "options": [ + "worldwide web", + "internet", + "artificial satellite", + "natural satellite" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The first person to step on the moon is ______.", + "questionType": "MCQ", + "options": [ + "Neil Armstrong", + "Rakesh Sharma", + "Kalpana Chawla", + "Sunita Williams" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The first artificial satellite ______ was sent to space by Soviet Union in 1957.", + "questionType": "MCQ", + "options": [ + "Apollo", + "Chandrayaan", + "Sputnik", + "Luna 2" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If a spacecraft is to be sent to outer space it must have minimum velocity of ______.", + "questionType": "MCQ", + "options": [ + "11.2 km/s", + "11.6 km/s", + "13.2 km/s", + "1.4 m/s" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The astronomical object closest to us is the ______.", + "questionType": "MCQ", + "options": [ + "Moon", + "Mars", + "Saturn", + "Mercury" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "ISRO stands for ______.", + "questionType": "MCQ", + "options": [ + "Indian Space Research Organization", + "International Space Research Organization", + "Indian Satellite Research Organization", + "Indian Space Research Office" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The escape velocity from the earth is approximately ______.", + "questionType": "MCQ", + "options": [ + "11.2 km/s", + "7.9 km/s", + "8.0 km/s", + "3.0 km/s" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which planet did ISRO's Mangalyaan orbit?", + "questionType": "MCQ", + "options": [ + "Jupiter", + "Venus", + "Mars", + "Saturn" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Height of the High Earth orbit from the surface of the earth is ______.", + "questionType": "MCQ", + "options": [ + "= 20,000 km", + "= 27,000 km", + "< 30,780 km", + "> 35,780 km" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The height of Low Earth Orbit satellite above earth's surface is ______.", + "questionType": "MCQ", + "options": [ + "360 km", + "3600 km", + "200-2000 km", + "35780 km" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Chandrayaan-1 was India's ______ mission to the moon.", + "questionType": "MCQ", + "options": [ + "first", + "second", + "third", + "fourth" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A geostationary satellite completes one revolution around earth in ______.", + "questionType": "MCQ", + "options": [ + "12 hours", + "24 hours", + "48 hours", + "6 hours" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "PSLV stands for ______.", + "questionType": "MCQ", + "options": [ + "Polar Satellite Launch Vehicle", + "Powerful Satellite Launch Vehicle", + "Polar Satellite Loading Vehicle", + "Precise Satellite Launch Vehicle" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "GSLV stands for ______.", + "questionType": "MCQ", + "options": [ + "Geosynchronous Satellite Launch Vehicle", + "Global Satellite Launch Vehicle", + "Geostationary Satellite Launch Vehicle", + "Ground Satellite Launch Vehicle" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A satellite is kept in orbit by ______.", + "questionType": "MCQ", + "options": [ + "rockets", + "gravity and orbital velocity", + "solar panels", + "magnetic force" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Communication satellites are placed in ______.", + "questionType": "MCQ", + "options": [ + "Low Earth Orbit", + "Medium Earth Orbit", + "Geostationary Earth Orbit", + "Polar orbit" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The principle behind satellite launch vehicle is based on Newton's ______ law.", + "questionType": "MCQ", + "options": [ + "first", + "second", + "third", + "law of gravitation" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "INSAT satellites are used for ______.", + "questionType": "MCQ", + "options": [ + "remote sensing", + "navigation", + "communication and weather", + "military" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Which satellite is used in the educational field among INSAT and GSAT series?", + "questionType": "MCQ", + "options": [ + "INSAT-1B", + "EDUSAT", + "GSAT-7", + "IRS-1A" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Mangalyaan (Mars Orbiter Mission) was launched by ISRO in ______.", + "questionType": "MCQ", + "options": [ + "November 2013", + "November 2014", + "September 2013", + "September 2014" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The speed of the first Indian satellite Aryabhata was ______.", + "questionType": "MCQ", + "options": [ + "launched in 1975", + "launched in 1980", + "launched in 1970", + "launched in 1985" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "IRNSS stands for ______.", + "questionType": "MCQ", + "options": [ + "Indian Radio Navigation Satellite System", + "Indian Regional Navigation Satellite System", + "International Radio Navigation Satellite System", + "Indian Remote Naving Satellite System" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The escape velocity from the moon is ______ km/s.", + "questionType": "MCQ", + "options": [ + "11.2", + "2.38", + "7.9", + "1.67" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "GPS satellites are placed in ______.", + "questionType": "MCQ", + "options": [ + "Low Earth Orbit", + "Medium Earth Orbit", + "Geostationary Orbit", + "Polar orbit" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Remote sensing satellites are placed in ______.", + "questionType": "MCQ", + "options": [ + "Low Earth Orbit", + "Medium Earth Orbit", + "Geostationary Orbit", + "Sun-synchronous orbit" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Space debris refers to ______.", + "questionType": "MCQ", + "options": [ + "meteorites", + "inactive satellites and rocket parts in orbit", + "comets", + "asteroids" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The orbital velocity of a satellite close to earth's surface is approximately ______.", + "questionType": "MCQ", + "options": [ + "8 km/s", + "11.2 km/s", + "3 km/s", + "1.67 km/s" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "EDUSAT was launched for ______.", + "questionType": "MCQ", + "options": [ + "weather prediction", + "military purposes", + "educational purposes", + "navigation" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A group of students from COEP Pune sent a small satellite ______ through ISRO in 2016.", + "questionType": "MCQ", + "options": [ + "Luna 6", + "Apollo 6", + "Swayam", + "Param" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "IRS satellites are used for ______.", + "questionType": "MCQ", + "options": [ + "communication", + "navigation", + "remote sensing / earth observation", + "weather prediction" + ], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: India is the first country to discover the existence of water on the moon.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The function of a satellite launcher is based on Newton's second law.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The escape velocity on the moon is less than escape velocity on the earth.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Name the first artificial satellite sent by Russia in space.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: A geostationary satellite revolves in 24 hours.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Space debris can be harmful to artificial satellites.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: Communication satellite, Weather satellite, Military satellite, Earthworm.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Find the odd one out: PSLV, GSLV, INSAT, Apollo. (Hint: one is not an Indian launch vehicle)", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: Communication satellite : GEO :: Remote sensing satellite : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the correlation: IRNSS : Navigation :: INSAT : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Mangalyaan entered Mars orbit in 2014.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete: PSLV : Polar Satellite Launch Vehicle :: GSLV : ______.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: The first Indian satellite was Aryabhata launched in 1975.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Chandrayaan-1 discovered water on the moon.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State True or False: Escape velocity depends on the mass of the object being launched.", + "questionType": "obj", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 1, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The velocity at the earth's surface must be greater than the escape velocity of the earth to escape.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Space debris can be harmful to the artificial satellites.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Space missions are very important for human life.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Satellite launch vehicles are used to place satellites in their specific orbits.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The launch vehicles are very costly.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The geostationary satellites are not useful for studies of polar regions.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "India is proud of its Mars mission (Mangalyaan).", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Chandrayaan-1 mission was a great achievement for India.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The escape velocity on the moon is less than that on earth.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The escape velocity does not depend on the mass of the object being launched.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "A satellite in orbit does not need a constant supply of fuel to stay in orbit.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "GPS uses medium earth orbit satellites.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Communication satellites are placed in geostationary orbit.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Remote sensing satellites are placed in Low Earth Orbit.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Debris from old satellites can cause chain reactions of collisions in orbit.", + "questionType": "gr", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is meant by satellite launch vehicle? Name any one Indian satellite launch vehicle.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is meant by space debris? Suggest the ways to manage it.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write functions of Military satellite and Navigational satellite.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is an Artificial satellite? How are they classified depending on their functions?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "easy", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the names of India's satellite series and launchers.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the need and importance of space missions.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a geostationary satellite? Name its orbit height and give two uses.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is Medium Earth Orbit?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is the contribution of India in space technology?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is meant by artificial satellite? Name the first satellite launched by Russia.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the names of India's satellite series and launchers for: (a) INSAT (b) IRS (c) GSAT (d) IRNSS.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the chart showing IRNSS, Weather study & predict, Earth's observation and their satellite names.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is Low Earth Orbit? Which satellites revolve in LEO? Give two examples.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "The orbit of satellite is exactly 35780 km above earth's surface and tangential velocity is 3.08 km/s. How much time to complete one revolution? (R = 6400 km)", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "State whether specific velocity depends on mass of satellite. Explain.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "After the moon, which is the closest celestial object to earth? When did ISRO launch Mars spacecraft? What important information did it get?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is the function of a satellite launcher? Write the external layout of a ISRO satellite launcher.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Bring out the contribution of India's space missions --- write about Aryabhata, Chandrayaan-1 and Mangalyaan.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If the mass of a planet is eight times the mass of the earth and its radius is twice the radius, what will be the escape velocity for that planet?", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Calculate the critical velocity of a satellite to be located at 35780 km above the surface of earth.", + "questionType": "2m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 2, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Read passage about India's Mars mission (ISRO 2013) and answer: (a) After moon, closest celestial object? (b) When did ISRO launch Mars spacecraft? (c) What important information? (d) Explain specific velocity does not depend on mass of satellite.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is a satellite launcher? Explain the external layout of a satellite launcher made by ISRO with diagram.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Complete the chart --- IRNSS: ______ (function): ______ (satellite name) | Weather Study & Predict: ______ | Earth's Observation: ______.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write about all three types of satellite orbits (LEO, MEO, GEO) --- name, height, types of satellites, uses.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the figure of orbits and answer: (a) Name the outer orbit. (b) Which satellites revolve in low earth orbits? (c) Which various orbits are given? (d) Give example of a launch vehicle based on Newton's third law.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain the need and importance of space missions. Write about: (a) Weather prediction (b) Communication (c) Navigation (d) Remote sensing (e) Scientific research.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Explain how India's space programme has developed from Aryabhata to present day. Name key milestones.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "What is meant by space debris? What are its causes? Suggest ways to manage space debris.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "If the mass of a planet is eight times the mass of earth and its radius is twice, what will be the escape velocity? Given escape velocity from earth is 11.2 km/s.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Write the table of satellite series used by India: Type of satellite | Function | Name of satellite series | Launcher used.", + "questionType": "3m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 3, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Answer: (a) What is a satellite? (b) Name the first satellite launched by Soviet Union. (c) Name the first Indian satellite. (d) What is the escape velocity from earth? (e) Bring out any two contributions of India in space technology.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "medium", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Observe the figure of orbits (LEO, MEO, GEO) around earth and answer: (a) Name the outer orbit. (b) Which satellites revolve in LEO? (c) Which various orbits are given in the figure? (d) Give an example of a launch vehicle based on Newton's third law.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + }, + { + "questionText": "Read the following paragraphs about Mangalyaan and answer all questions: (a) After moon, closest celestial object? (b) When did ISRO launch Mars spacecraft? (c) What important information did ISRO's Mars rover get? (d) Explain that specific velocity does not depend on mass of satellite.", + "questionType": "5m", + "options": [], + "answer": "", + "subject": "science1", + "chapter": "10", + "grade": 10, + "difficulty": "hard", + "marks": 5, + "createdBy": null, + "institutionId": null + } +] \ No newline at end of file diff --git a/Backend/index.js b/Backend/index.js new file mode 100644 index 0000000..e32c458 --- /dev/null +++ b/Backend/index.js @@ -0,0 +1,13 @@ +const express = require('express') +const Question = require('./modles/Questions') +const app = express() +app.use(express.json()) + +app.listen(8080,()=>{ + cosole.log("LOCAL") +}) + +app.get("/",(req,res)=>{ + +}) + diff --git a/Backend/init.js b/Backend/init.js new file mode 100644 index 0000000..c126551 --- /dev/null +++ b/Backend/init.js @@ -0,0 +1,28 @@ +const mongoose = require('mongoose'); +const fs = require('fs'); +const Question = require('./modles/Questions'); + +const data = JSON.parse(fs.readFileSync('./SSC_Science1_Mongoose_v2.json', 'utf-8')); + +main().then(()=>{ + console.log('Connected to MongoDB'); +}).catch((err)=>{ + console.log(err); +}) + +async function main() { + await mongoose.connect('mongodb://localhost:27017/autopaper'); +} + +async function enterdata() { + try { + await Question.deleteMany({}); + await Question.insertMany(data); + + console.log(` ${data.length} questions inserted successfully!`); + + } catch (err) { + console.error(err); + } +} +enterdata(); \ No newline at end of file diff --git a/Backend/modles/Questions.js b/Backend/modles/Questions.js index 71a80eb..b0be839 100644 --- a/Backend/modles/Questions.js +++ b/Backend/modles/Questions.js @@ -2,7 +2,7 @@ const mongoose = require('mongoose') const questionSchema = new mongoose.Schema({ questionText: { type: String, required: true }, - questionType: { type: String, enum: ['MCQ', 'short', 'long', 'numerical'], required: true }, + questionType: { type: String, enum: ['MCQ','obj', 'gr','1m', '2m', '3m','5m'], required: true }, options: [String], // only filled for MCQ answer: { type: String }, subject: { type: String, required: true }, diff --git a/Backend/package-lock.json b/Backend/package-lock.json index 6f920be..9b1fd10 100644 --- a/Backend/package-lock.json +++ b/Backend/package-lock.json @@ -1,12 +1,12 @@ { - "name": "modles", + "name": "backend", "lockfileVersion": 3, "requires": true, "packages": { "": { "dependencies": { "express": "^5.2.1", - "mongoose": "^9.3.0", + "mongoose": "^9.3.1", "nodemon": "^3.1.14" } }, @@ -801,9 +801,9 @@ } }, "node_modules/mongoose": { - "version": "9.3.0", - "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-9.3.0.tgz", - "integrity": "sha512-Tv2p3DLBkftoGFp+VM/19k0t0RYPAAYjGIbCVGlV6Tf5Dnq6TICfYyeKeYvwQ06nK9sRDvymP3B+tjGHnUlaxw==", + "version": "9.3.1", + "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-9.3.1.tgz", + "integrity": "sha512-58DuQti+LlRS74/UfWN4F3wZsC0Yr1dgTWZ2Wd3/TuSvm6rIdyAjDWbx2xGyuBooqJYdAWotVv4mQgVdivh+3Q==", "license": "MIT", "dependencies": { "kareem": "3.2.0", diff --git a/Backend/package.json b/Backend/package.json index c9bc07d..60c4e6c 100644 --- a/Backend/package.json +++ b/Backend/package.json @@ -1,7 +1,7 @@ { "dependencies": { "express": "^5.2.1", - "mongoose": "^9.3.0", + "mongoose": "^9.3.1", "nodemon": "^3.1.14" } } diff --git a/Frontend/views/index.ejs b/Frontend/views/index.ejs new file mode 100644 index 0000000..d01f779 --- /dev/null +++ b/Frontend/views/index.ejs @@ -0,0 +1,11 @@ + + + + + + Document + + + + + \ No newline at end of file From 55a2bba3cb68d78e4df5c4ae693967bd4748e095 Mon Sep 17 00:00:00 2001 From: Gururaj Lande Date: Fri, 20 Mar 2026 16:18:09 +0530 Subject: [PATCH 02/11] ejs added --- Backend/index.js | 41 ++++++++++++++++++++++++++++++++++--- Backend/modles/Questions.js | 3 +++ Backend/package-lock.json | 13 ++++++++++++ Backend/package.json | 1 + 4 files changed, 55 insertions(+), 3 deletions(-) diff --git a/Backend/index.js b/Backend/index.js index e32c458..6aa56d4 100644 --- a/Backend/index.js +++ b/Backend/index.js @@ -2,12 +2,47 @@ const express = require('express') const Question = require('./modles/Questions') const app = express() app.use(express.json()) +const mongoose = require("mongoose"); +const ejs= require("ejs") +const path = require("path") +app.set("view engine",ejs) +app.set("views",path.join(__dirname,'../Frontend/views/')) + +main().then(()=>{ + console.log("connected") +}).catch((err)=>{ + console.log(err) +}) + +async function main(){ + mongoose.connect("mongodb://localhost:27017/autopaper") +} app.listen(8080,()=>{ - cosole.log("LOCAL") + console.log("LOCAL") }) -app.get("/",(req,res)=>{ - +app.get("/",async (req,res)=>{ + let MCQ= await Question.find({questionType:'MCQ',difficulty:'easy'}); + let obj= await Question.find({questionType:'obj'}); + let qp =[]; + qp.push("MCQ") + for(let i=0;i<5;i++){ + let l = MCQ.length; + let j= Math.floor(Math.random() * l ); + qp.push(MCQ[j]); + MCQ.splice(j,1); + } + qp.push("OBJ") + for(let i=0;i<5;i++){ + let l = obj.length; + let j= Math.floor(Math.random()* l ); + qp.push(obj[j]); + obj.splice(j,1); + } + res.render("index.ejs", { question : qp }) + + }) + diff --git a/Backend/modles/Questions.js b/Backend/modles/Questions.js index b0be839..482504d 100644 --- a/Backend/modles/Questions.js +++ b/Backend/modles/Questions.js @@ -17,3 +17,6 @@ const questionSchema = new mongoose.Schema({ }) module.exports = mongoose.model('Question', questionSchema) + + + diff --git a/Backend/package-lock.json b/Backend/package-lock.json index 9b1fd10..76fb6b7 100644 --- a/Backend/package-lock.json +++ b/Backend/package-lock.json @@ -5,6 +5,7 @@ "packages": { "": { "dependencies": { + "ejs": "^5.0.1", "express": "^5.2.1", "mongoose": "^9.3.1", "nodemon": "^3.1.14" @@ -286,6 +287,18 @@ "integrity": "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow==", "license": "MIT" }, + "node_modules/ejs": { + "version": "5.0.1", + "resolved": "https://registry.npmjs.org/ejs/-/ejs-5.0.1.tgz", + "integrity": "sha512-COqBPFMxuPTPspXl2DkVYaDS3HtrD1GpzOGkNTJ1IYkifq/r9h8SVEFrjA3D9/VJGOEoMQcrlhpntcSUrM8k6A==", + "license": "Apache-2.0", + "bin": { + "ejs": "bin/cli.js" + }, + "engines": { + "node": ">=0.12.18" + } + }, "node_modules/encodeurl": { "version": "2.0.0", "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-2.0.0.tgz", diff --git a/Backend/package.json b/Backend/package.json index 60c4e6c..7e5f6df 100644 --- a/Backend/package.json +++ b/Backend/package.json @@ -1,5 +1,6 @@ { "dependencies": { + "ejs": "^5.0.1", "express": "^5.2.1", "mongoose": "^9.3.1", "nodemon": "^3.1.14" From 2fbfe01920de24061274a81a9473b74ff9a3d634 Mon Sep 17 00:00:00 2001 From: Gururaj Lande Date: Fri, 20 Mar 2026 16:21:48 +0530 Subject: [PATCH 03/11] ejs added --- Frontend/views/index.ejs | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/Frontend/views/index.ejs b/Frontend/views/index.ejs index d01f779..ce3632e 100644 --- a/Frontend/views/index.ejs +++ b/Frontend/views/index.ejs @@ -6,6 +6,23 @@ Document - +

AUTOPAPER

+<%for(let q of question){ + if(typeof q === 'string'){%> +
<%= q %>
+ <%}else{ + if(q.questionType === 'MCQ'){%> +

<%=q.questionText%>

+

(A)<%=q.options[0]%>

+

(B)<%=q.options[1]%>

+

(C)<%=q.options[2]%>

+

(D)<%=q.options[3]%>

+ <%}else{%> +

<%=q.questionText%>

+ <% } + } +}%> + - \ No newline at end of file + + From bebea9db8e63b3fc98336c4c291eeb068a592d0d Mon Sep 17 00:00:00 2001 From: Gururaj Lande Date: Fri, 20 Mar 2026 21:49:06 +0530 Subject: [PATCH 04/11] qpgen proto --- Backend/index.js | 59 +- Backend/package-lock.json | 1091 ++++++++++++++++++++++++++++++++++- Backend/package.json | 4 +- Frontend/views/download.ejs | 37 ++ Frontend/views/index.ejs | 24 +- 5 files changed, 1185 insertions(+), 30 deletions(-) create mode 100644 Frontend/views/download.ejs diff --git a/Backend/index.js b/Backend/index.js index 6aa56d4..218bc4e 100644 --- a/Backend/index.js +++ b/Backend/index.js @@ -8,6 +8,7 @@ const path = require("path") app.set("view engine",ejs) app.set("views",path.join(__dirname,'../Frontend/views/')) + main().then(()=>{ console.log("connected") }).catch((err)=>{ @@ -17,15 +18,17 @@ main().then(()=>{ async function main(){ mongoose.connect("mongodb://localhost:27017/autopaper") } +let currentQP = [] -app.listen(8080,()=>{ - console.log("LOCAL") -}) - -app.get("/",async (req,res)=>{ +async function generateqp(){ + let qp =[]; let MCQ= await Question.find({questionType:'MCQ',difficulty:'easy'}); let obj= await Question.find({questionType:'obj'}); - let qp =[]; + let gr= await Question.find({questionType:'gr'}); + let two= await Question.find({questionType:'2m'}); + let three= await Question.find({questionType:'3m'}); + let five= await Question.find({questionType:'5m'}); + qp.push("MCQ") for(let i=0;i<5;i++){ let l = MCQ.length; @@ -39,10 +42,46 @@ app.get("/",async (req,res)=>{ let j= Math.floor(Math.random()* l ); qp.push(obj[j]); obj.splice(j,1); + }qp.push("GIVE REASON") + for(let i=0;i<3;i++){ + let l = gr.length; + let j= Math.floor(Math.random()* l ); + qp.push(gr[j]); + gr.splice(j,1); + }qp.push("Answer The Following") + for(let i=0;i<5;i++){ + let l = two.length; + let j= Math.floor(Math.random()* l ); + qp.push(two[j]); + two.splice(j,1); + }qp.push("Answer The Following") + for(let i=0;i<8;i++){ + let l = three.length; + let j= Math.floor(Math.random()* l ); + qp.push(three[j]); + three.splice(j,1); + }qp.push("Answer The Following") + for(let i=0;i<2;i++){ + let l = five.length; + let j= Math.floor(Math.random()* l ); + qp.push(five[j]); + five.splice(j,1); } - res.render("index.ejs", { question : qp }) - - -}) + return(qp) +} +app.listen(8080,()=>{ + console.log("LOCAL") +}) +let cqp =[]; +app.get("/",async (req,res)=>{ + cp =[]; + let qp = await generateqp() + cqp = qp; + res.render("index.ejs", { question: qp }) +}) +app.get("/download", async (req, res)=>{ + let qp = cqp; + res.render("download.ejs", { question: qp }); +}) \ No newline at end of file diff --git a/Backend/package-lock.json b/Backend/package-lock.json index 76fb6b7..34bac85 100644 --- a/Backend/package-lock.json +++ b/Backend/package-lock.json @@ -8,7 +8,32 @@ "ejs": "^5.0.1", "express": "^5.2.1", "mongoose": "^9.3.1", - "nodemon": "^3.1.14" + "nodemon": "^3.1.14", + "puppeteer": "^24.40.0", + "puppeteer-core": "^24.40.0" + } + }, + "node_modules/@babel/code-frame": { + "version": "7.29.0", + "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.29.0.tgz", + "integrity": "sha512-9NhCeYjq9+3uxgdtp20LSiJXJvN0FeCtNGpJxuMFZ1Kv3cWUNb6DOhJwUvcVCzKGR66cw4njwM6hrJLqgOwbcw==", + "license": "MIT", + "dependencies": { + "@babel/helper-validator-identifier": "^7.28.5", + "js-tokens": "^4.0.0", + "picocolors": "^1.1.1" + }, + "engines": { + "node": ">=6.9.0" + } + }, + "node_modules/@babel/helper-validator-identifier": { + "version": "7.28.5", + "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.28.5.tgz", + "integrity": "sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q==", + "license": "MIT", + "engines": { + "node": ">=6.9.0" } }, "node_modules/@mongodb-js/saslprep": { @@ -20,6 +45,43 @@ "sparse-bitfield": "^3.0.3" } }, + "node_modules/@puppeteer/browsers": { + "version": "2.13.0", + "resolved": "https://registry.npmjs.org/@puppeteer/browsers/-/browsers-2.13.0.tgz", + "integrity": "sha512-46BZJYJjc/WwmKjsvDFykHtXrtomsCIrwYQPOP7VfMJoZY2bsDF9oROBABR3paDjDcmkUye1Pb1BqdcdiipaWA==", + "license": "Apache-2.0", + "dependencies": { + "debug": "^4.4.3", + "extract-zip": "^2.0.1", + "progress": "^2.0.3", + "proxy-agent": "^6.5.0", + "semver": "^7.7.4", + "tar-fs": "^3.1.1", + "yargs": "^17.7.2" + }, + "bin": { + "browsers": "lib/cjs/main-cli.js" + }, + "engines": { + "node": ">=18" + } + }, + "node_modules/@tootallnate/quickjs-emscripten": { + "version": "0.23.0", + "resolved": "https://registry.npmjs.org/@tootallnate/quickjs-emscripten/-/quickjs-emscripten-0.23.0.tgz", + "integrity": "sha512-C5Mc6rdnsaJDjO3UpGW/CQTHtCKaYlScZTly4JIu97Jxo/odCiH0ITnDXSJPTOrEKk/ycSZ0AOgTmkDtkOsvIA==", + "license": "MIT" + }, + "node_modules/@types/node": { + "version": "25.5.0", + "resolved": "https://registry.npmjs.org/@types/node/-/node-25.5.0.tgz", + "integrity": "sha512-jp2P3tQMSxWugkCUKLRPVUpGaL5MVFwF8RDuSRztfwgN1wmqJeMSbKlnEtQqU8UrhTmzEmZdu2I6v2dpp7XIxw==", + "license": "MIT", + "optional": true, + "dependencies": { + "undici-types": "~7.18.0" + } + }, "node_modules/@types/webidl-conversions": { "version": "7.0.3", "resolved": "https://registry.npmjs.org/@types/webidl-conversions/-/webidl-conversions-7.0.3.tgz", @@ -35,6 +97,16 @@ "@types/webidl-conversions": "*" } }, + "node_modules/@types/yauzl": { + "version": "2.10.3", + "resolved": "https://registry.npmjs.org/@types/yauzl/-/yauzl-2.10.3.tgz", + "integrity": "sha512-oJoftv0LSuaDZE3Le4DbKX+KS9G36NzOeSap90UIK0yMA/NhKJhqlSGtNDORNRaIbQfzjXDrQa0ytJ6mNRGz/Q==", + "license": "MIT", + "optional": true, + "dependencies": { + "@types/node": "*" + } + }, "node_modules/accepts": { "version": "2.0.0", "resolved": "https://registry.npmjs.org/accepts/-/accepts-2.0.0.tgz", @@ -48,6 +120,39 @@ "node": ">= 0.6" } }, + "node_modules/agent-base": { + "version": "7.1.4", + "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-7.1.4.tgz", + "integrity": "sha512-MnA+YT8fwfJPgBx3m60MNqakm30XOkyIoH1y6huTQvC0PwZG7ki8NacLBcrPbNoo8vEZy7Jpuk7+jMO+CUovTQ==", + "license": "MIT", + "engines": { + "node": ">= 14" + } + }, + "node_modules/ansi-regex": { + "version": "5.0.1", + "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz", + "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==", + "license": "MIT", + "engines": { + "node": ">=8" + } + }, + "node_modules/ansi-styles": { + "version": "4.3.0", + "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz", + "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==", + "license": "MIT", + "dependencies": { + "color-convert": "^2.0.1" + }, + "engines": { + "node": ">=8" + }, + "funding": { + "url": "https://github.com/chalk/ansi-styles?sponsor=1" + } + }, "node_modules/anymatch": { "version": "3.1.3", "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.3.tgz", @@ -61,6 +166,38 @@ "node": ">= 8" } }, + "node_modules/argparse": { + "version": "2.0.1", + "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz", + "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==", + "license": "Python-2.0" + }, + "node_modules/ast-types": { + "version": "0.13.4", + "resolved": "https://registry.npmjs.org/ast-types/-/ast-types-0.13.4.tgz", + "integrity": "sha512-x1FCFnFifvYDDzTaLII71vG5uvDwgtmDTEVWAxrgeiR8VjMONcCXJx7E+USjDtHlwFmt9MysbqgF9b9Vjr6w+w==", + "license": "MIT", + "dependencies": { + "tslib": "^2.0.1" + }, + "engines": { + "node": ">=4" + } + }, + "node_modules/b4a": { + "version": "1.8.0", + "resolved": "https://registry.npmjs.org/b4a/-/b4a-1.8.0.tgz", + "integrity": "sha512-qRuSmNSkGQaHwNbM7J78Wwy+ghLEYF1zNrSeMxj4Kgw6y33O3mXcQ6Ie9fRvfU/YnxWkOchPXbaLb73TkIsfdg==", + "license": "Apache-2.0", + "peerDependencies": { + "react-native-b4a": "*" + }, + "peerDependenciesMeta": { + "react-native-b4a": { + "optional": true + } + } + }, "node_modules/balanced-match": { "version": "4.0.4", "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-4.0.4.tgz", @@ -70,6 +207,102 @@ "node": "18 || 20 || >=22" } }, + "node_modules/bare-events": { + "version": "2.8.2", + "resolved": "https://registry.npmjs.org/bare-events/-/bare-events-2.8.2.tgz", + "integrity": "sha512-riJjyv1/mHLIPX4RwiK+oW9/4c3TEUeORHKefKAKnZ5kyslbN+HXowtbaVEqt4IMUB7OXlfixcs6gsFeo/jhiQ==", + "license": "Apache-2.0", + "peerDependencies": { + "bare-abort-controller": "*" + }, + "peerDependenciesMeta": { + "bare-abort-controller": { + "optional": true + } + } + }, + "node_modules/bare-fs": { + "version": "4.5.6", + "resolved": "https://registry.npmjs.org/bare-fs/-/bare-fs-4.5.6.tgz", + "integrity": "sha512-1QovqDrR80Pmt5HPAsMsXTCFcDYr+NSUKW6nd6WO5v0JBmnItc/irNRzm2KOQ5oZ69P37y+AMujNyNtG+1Rggw==", + "license": "Apache-2.0", + "dependencies": { + "bare-events": "^2.5.4", + "bare-path": "^3.0.0", + "bare-stream": "^2.6.4", + "bare-url": "^2.2.2", + "fast-fifo": "^1.3.2" + }, + "engines": { + "bare": ">=1.16.0" + }, + "peerDependencies": { + "bare-buffer": "*" + }, + "peerDependenciesMeta": { + "bare-buffer": { + "optional": true + } + } + }, + "node_modules/bare-os": { + "version": "3.8.0", + "resolved": "https://registry.npmjs.org/bare-os/-/bare-os-3.8.0.tgz", + "integrity": "sha512-Dc9/SlwfxkXIGYhvMQNUtKaXCaGkZYGcd1vuNUUADVqzu4/vQfvnMkYYOUnt2VwQ2AqKr/8qAVFRtwETljgeFg==", + "license": "Apache-2.0", + "engines": { + "bare": ">=1.14.0" + } + }, + "node_modules/bare-path": { + "version": "3.0.0", + "resolved": "https://registry.npmjs.org/bare-path/-/bare-path-3.0.0.tgz", + "integrity": "sha512-tyfW2cQcB5NN8Saijrhqn0Zh7AnFNsnczRcuWODH0eYAXBsJ5gVxAUuNr7tsHSC6IZ77cA0SitzT+s47kot8Mw==", + "license": "Apache-2.0", + "dependencies": { + "bare-os": "^3.0.1" + } + }, + "node_modules/bare-stream": { + "version": "2.10.0", + "resolved": "https://registry.npmjs.org/bare-stream/-/bare-stream-2.10.0.tgz", + "integrity": "sha512-DOPZF/DDcDruKDA43cOw6e9Quq5daua7ygcAwJE/pKJsRWhgSSemi7qVNGE5kyDIxIeN1533G/zfbvWX7Wcb9w==", + "license": "Apache-2.0", + "dependencies": { + "streamx": "^2.25.0", + "teex": "^1.0.1" + }, + "peerDependencies": { + "bare-buffer": "*", + "bare-events": "*" + }, + "peerDependenciesMeta": { + "bare-buffer": { + "optional": true + }, + "bare-events": { + "optional": true + } + } + }, + "node_modules/bare-url": { + "version": "2.4.0", + "resolved": "https://registry.npmjs.org/bare-url/-/bare-url-2.4.0.tgz", + "integrity": "sha512-NSTU5WN+fy/L0DDenfE8SXQna4voXuW0FHM7wH8i3/q9khUSchfPbPezO4zSFMnDGIf9YE+mt/RWhZgNRKRIXA==", + "license": "Apache-2.0", + "dependencies": { + "bare-path": "^3.0.0" + } + }, + "node_modules/basic-ftp": { + "version": "5.2.0", + "resolved": "https://registry.npmjs.org/basic-ftp/-/basic-ftp-5.2.0.tgz", + "integrity": "sha512-VoMINM2rqJwJgfdHq6RiUudKt2BV+FY5ZFezP/ypmwayk68+NzzAQy4XXLlqsGD4MCzq3DrmNFD/uUmBJuGoXw==", + "license": "MIT", + "engines": { + "node": ">=10.0.0" + } + }, "node_modules/binary-extensions": { "version": "2.3.0", "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.3.0.tgz", @@ -139,6 +372,15 @@ "node": ">=20.19.0" } }, + "node_modules/buffer-crc32": { + "version": "0.2.13", + "resolved": "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.13.tgz", + "integrity": "sha512-VO9Ht/+p3SN7SKWqcrgEzjGbRSJYTx+Q1pTQC0wrWqHx0vpJraQ6GtHx8tvcg1rlK1byhU5gccxgOgj7B0TDkQ==", + "license": "MIT", + "engines": { + "node": "*" + } + }, "node_modules/bytes": { "version": "3.1.2", "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz", @@ -177,6 +419,15 @@ "url": "https://github.com/sponsors/ljharb" } }, + "node_modules/callsites": { + "version": "3.1.0", + "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz", + "integrity": "sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==", + "license": "MIT", + "engines": { + "node": ">=6" + } + }, "node_modules/chokidar": { "version": "3.6.0", "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.6.0.tgz", @@ -201,6 +452,51 @@ "fsevents": "~2.3.2" } }, + "node_modules/chromium-bidi": { + "version": "14.0.0", + "resolved": "https://registry.npmjs.org/chromium-bidi/-/chromium-bidi-14.0.0.tgz", + "integrity": "sha512-9gYlLtS6tStdRWzrtXaTMnqcM4dudNegMXJxkR0I/CXObHalYeYcAMPrL19eroNZHtJ8DQmu1E+ZNOYu/IXMXw==", + "license": "Apache-2.0", + "dependencies": { + "mitt": "^3.0.1", + "zod": "^3.24.1" + }, + "peerDependencies": { + "devtools-protocol": "*" + } + }, + "node_modules/cliui": { + "version": "8.0.1", + "resolved": "https://registry.npmjs.org/cliui/-/cliui-8.0.1.tgz", + "integrity": "sha512-BSeNnyus75C4//NQ9gQt1/csTXyo/8Sb+afLAkzAptFuMsod9HFokGNudZpi/oQV73hnVK+sR+5PVRMd+Dr7YQ==", + "license": "ISC", + "dependencies": { + "string-width": "^4.2.0", + "strip-ansi": "^6.0.1", + "wrap-ansi": "^7.0.0" + }, + "engines": { + "node": ">=12" + } + }, + "node_modules/color-convert": { + "version": "2.0.1", + "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz", + "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==", + "license": "MIT", + "dependencies": { + "color-name": "~1.1.4" + }, + "engines": { + "node": ">=7.0.0" + } + }, + "node_modules/color-name": { + "version": "1.1.4", + "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz", + "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==", + "license": "MIT" + }, "node_modules/content-disposition": { "version": "1.0.1", "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-1.0.1.tgz", @@ -241,6 +537,41 @@ "node": ">=6.6.0" } }, + "node_modules/cosmiconfig": { + "version": "9.0.1", + "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-9.0.1.tgz", + "integrity": "sha512-hr4ihw+DBqcvrsEDioRO31Z17x71pUYoNe/4h6Z0wB72p7MU7/9gH8Q3s12NFhHPfYBBOV3qyfUxmr/Yn3shnQ==", + "license": "MIT", + "dependencies": { + "env-paths": "^2.2.1", + "import-fresh": "^3.3.0", + "js-yaml": "^4.1.0", + "parse-json": "^5.2.0" + }, + "engines": { + "node": ">=14" + }, + "funding": { + "url": "https://github.com/sponsors/d-fischer" + }, + "peerDependencies": { + "typescript": ">=4.9.5" + }, + "peerDependenciesMeta": { + "typescript": { + "optional": true + } + } + }, + "node_modules/data-uri-to-buffer": { + "version": "6.0.2", + "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-6.0.2.tgz", + "integrity": "sha512-7hvf7/GW8e86rW0ptuwS3OcBGDjIi6SZva7hCyWC0yYry2cOPmLIjXAUHI6DK2HsnwJd9ifmt57i8eV2n4YNpw==", + "license": "MIT", + "engines": { + "node": ">= 14" + } + }, "node_modules/debug": { "version": "4.4.3", "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz", @@ -258,6 +589,20 @@ } } }, + "node_modules/degenerator": { + "version": "5.0.1", + "resolved": "https://registry.npmjs.org/degenerator/-/degenerator-5.0.1.tgz", + "integrity": "sha512-TllpMR/t0M5sqCXfj85i4XaAzxmS5tVA16dqvdkMwGmzI+dXLXnw3J+3Vdv7VKw+ThlTMboK6i9rnZ6Nntj5CQ==", + "license": "MIT", + "dependencies": { + "ast-types": "^0.13.4", + "escodegen": "^2.1.0", + "esprima": "^4.0.1" + }, + "engines": { + "node": ">= 14" + } + }, "node_modules/depd": { "version": "2.0.0", "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz", @@ -267,6 +612,12 @@ "node": ">= 0.8" } }, + "node_modules/devtools-protocol": { + "version": "0.0.1581282", + "resolved": "https://registry.npmjs.org/devtools-protocol/-/devtools-protocol-0.0.1581282.tgz", + "integrity": "sha512-nv7iKtNZQshSW2hKzYNr46nM/Cfh5SEvE2oV0/SEGgc9XupIY5ggf84Cz8eJIkBce7S3bmTAauFD6aysMpnqsQ==", + "license": "BSD-3-Clause" + }, "node_modules/dunder-proto": { "version": "1.0.1", "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz", @@ -299,6 +650,12 @@ "node": ">=0.12.18" } }, + "node_modules/emoji-regex": { + "version": "8.0.0", + "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz", + "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==", + "license": "MIT" + }, "node_modules/encodeurl": { "version": "2.0.0", "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-2.0.0.tgz", @@ -308,6 +665,33 @@ "node": ">= 0.8" } }, + "node_modules/end-of-stream": { + "version": "1.4.5", + "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.5.tgz", + "integrity": "sha512-ooEGc6HP26xXq/N+GCGOT0JKCLDGrq2bQUZrQ7gyrJiZANJ/8YDTxTpQBXGMn+WbIQXNVpyWymm7KYVICQnyOg==", + "license": "MIT", + "dependencies": { + "once": "^1.4.0" + } + }, + "node_modules/env-paths": { + "version": "2.2.1", + "resolved": "https://registry.npmjs.org/env-paths/-/env-paths-2.2.1.tgz", + "integrity": "sha512-+h1lkLKhZMTYjog1VEpJNG7NZJWcuc2DDk/qsqSTRRCOXiLjeQ1d1/udrUGhqMxUgAlwKNZ0cf2uqan5GLuS2A==", + "license": "MIT", + "engines": { + "node": ">=6" + } + }, + "node_modules/error-ex": { + "version": "1.3.4", + "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.4.tgz", + "integrity": "sha512-sqQamAnR14VgCr1A618A3sGrygcpK+HEbenA/HiEAkkUwcZIIB/tgWqHFxWgOyDh4nB4JCRimh79dR5Ywc9MDQ==", + "license": "MIT", + "dependencies": { + "is-arrayish": "^0.2.1" + } + }, "node_modules/es-define-property": { "version": "1.0.1", "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.1.tgz", @@ -338,12 +722,73 @@ "node": ">= 0.4" } }, + "node_modules/escalade": { + "version": "3.2.0", + "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.2.0.tgz", + "integrity": "sha512-WUj2qlxaQtO4g6Pq5c29GTcWGDyd8itL8zTlipgECz3JesAiiOKotd8JU6otB3PACgG6xkJUyVhboMS+bje/jA==", + "license": "MIT", + "engines": { + "node": ">=6" + } + }, "node_modules/escape-html": { "version": "1.0.3", "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz", "integrity": "sha512-NiSupZ4OeuGwr68lGIeym/ksIZMJodUGOSCZ/FSnTxcrekbvqrgdUxlJOMpijaKZVjAJrWrGs/6Jy8OMuyj9ow==", "license": "MIT" }, + "node_modules/escodegen": { + "version": "2.1.0", + "resolved": "https://registry.npmjs.org/escodegen/-/escodegen-2.1.0.tgz", + "integrity": "sha512-2NlIDTwUWJN0mRPQOdtQBzbUHvdGY2P1VXSyU83Q3xKxM7WHX2Ql8dKq782Q9TgQUNOLEzEYu9bzLNj1q88I5w==", + "license": "BSD-2-Clause", + "dependencies": { + "esprima": "^4.0.1", + "estraverse": "^5.2.0", + "esutils": "^2.0.2" + }, + "bin": { + "escodegen": "bin/escodegen.js", + "esgenerate": "bin/esgenerate.js" + }, + "engines": { + "node": ">=6.0" + }, + "optionalDependencies": { + "source-map": "~0.6.1" + } + }, + "node_modules/esprima": { + "version": "4.0.1", + "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz", + "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==", + "license": "BSD-2-Clause", + "bin": { + "esparse": "bin/esparse.js", + "esvalidate": "bin/esvalidate.js" + }, + "engines": { + "node": ">=4" + } + }, + "node_modules/estraverse": { + "version": "5.3.0", + "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-5.3.0.tgz", + "integrity": "sha512-MMdARuVEQziNTeJD8DgMqmhwR11BRQ/cBP+pLtYdSTnf3MIO8fFeiINEbX36ZdNlfU/7A9f3gUw49B3oQsvwBA==", + "license": "BSD-2-Clause", + "engines": { + "node": ">=4.0" + } + }, + "node_modules/esutils": { + "version": "2.0.3", + "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.3.tgz", + "integrity": "sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==", + "license": "BSD-2-Clause", + "engines": { + "node": ">=0.10.0" + } + }, "node_modules/etag": { "version": "1.8.1", "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz", @@ -353,6 +798,15 @@ "node": ">= 0.6" } }, + "node_modules/events-universal": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/events-universal/-/events-universal-1.0.1.tgz", + "integrity": "sha512-LUd5euvbMLpwOF8m6ivPCbhQeSiYVNb8Vs0fQ8QjXo0JTkEHpz8pxdQf0gStltaPpw0Cca8b39KxvK9cfKRiAw==", + "license": "Apache-2.0", + "dependencies": { + "bare-events": "^2.7.0" + } + }, "node_modules/express": { "version": "5.2.1", "resolved": "https://registry.npmjs.org/express/-/express-5.2.1.tgz", @@ -396,6 +850,41 @@ "url": "https://opencollective.com/express" } }, + "node_modules/extract-zip": { + "version": "2.0.1", + "resolved": "https://registry.npmjs.org/extract-zip/-/extract-zip-2.0.1.tgz", + "integrity": "sha512-GDhU9ntwuKyGXdZBUgTIe+vXnWj0fppUEtMDL0+idd5Sta8TGpHssn/eusA9mrPr9qNDym6SxAYZjNvCn/9RBg==", + "license": "BSD-2-Clause", + "dependencies": { + "debug": "^4.1.1", + "get-stream": "^5.1.0", + "yauzl": "^2.10.0" + }, + "bin": { + "extract-zip": "cli.js" + }, + "engines": { + "node": ">= 10.17.0" + }, + "optionalDependencies": { + "@types/yauzl": "^2.9.1" + } + }, + "node_modules/fast-fifo": { + "version": "1.3.2", + "resolved": "https://registry.npmjs.org/fast-fifo/-/fast-fifo-1.3.2.tgz", + "integrity": "sha512-/d9sfos4yxzpwkDkuN7k2SqFKtYNmCTzgfEpz82x34IM9/zc8KGxQoXg1liNC/izpRM/MBdt44Nmx41ZWqk+FQ==", + "license": "MIT" + }, + "node_modules/fd-slicer": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz", + "integrity": "sha512-cE1qsB/VwyQozZ+q1dGxR8LBYNZeofhEdUNGSMbQD3Gw2lAzX9Zb3uIU6Ebc/Fmyjo9AWWfnn0AUCHqtevs/8g==", + "license": "MIT", + "dependencies": { + "pend": "~1.2.0" + } + }, "node_modules/fill-range": { "version": "7.1.1", "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz", @@ -470,6 +959,15 @@ "url": "https://github.com/sponsors/ljharb" } }, + "node_modules/get-caller-file": { + "version": "2.0.5", + "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz", + "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==", + "license": "ISC", + "engines": { + "node": "6.* || 8.* || >= 10.*" + } + }, "node_modules/get-intrinsic": { "version": "1.3.0", "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.3.0.tgz", @@ -507,6 +1005,35 @@ "node": ">= 0.4" } }, + "node_modules/get-stream": { + "version": "5.2.0", + "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-5.2.0.tgz", + "integrity": "sha512-nBF+F1rAZVCu/p7rjzgA+Yb4lfYXrpl7a6VmJrU8wF9I1CKvP/QwPNZHnOlwbTkY6dvtFIzFMSyQXbLoTQPRpA==", + "license": "MIT", + "dependencies": { + "pump": "^3.0.0" + }, + "engines": { + "node": ">=8" + }, + "funding": { + "url": "https://github.com/sponsors/sindresorhus" + } + }, + "node_modules/get-uri": { + "version": "6.0.5", + "resolved": "https://registry.npmjs.org/get-uri/-/get-uri-6.0.5.tgz", + "integrity": "sha512-b1O07XYq8eRuVzBNgJLstU6FYc1tS6wnMtF1I1D9lE8LxZSOGZ7LhxN54yPP6mGw5f2CkXY2BQUL9Fx41qvcIg==", + "license": "MIT", + "dependencies": { + "basic-ftp": "^5.0.2", + "data-uri-to-buffer": "^6.0.2", + "debug": "^4.3.4" + }, + "engines": { + "node": ">= 14" + } + }, "node_modules/glob-parent": { "version": "5.1.2", "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz", @@ -570,18 +1097,44 @@ "integrity": "sha512-4FbRdAX+bSdmo4AUFuS0WNiPz8NgFt+r8ThgNWmlrjQjt1Q7ZR9+zTlce2859x4KSXrwIsaeTqDoKQmtP8pLmQ==", "license": "MIT", "dependencies": { - "depd": "~2.0.0", - "inherits": "~2.0.4", - "setprototypeof": "~1.2.0", - "statuses": "~2.0.2", - "toidentifier": "~1.0.1" + "depd": "~2.0.0", + "inherits": "~2.0.4", + "setprototypeof": "~1.2.0", + "statuses": "~2.0.2", + "toidentifier": "~1.0.1" + }, + "engines": { + "node": ">= 0.8" + }, + "funding": { + "type": "opencollective", + "url": "https://opencollective.com/express" + } + }, + "node_modules/http-proxy-agent": { + "version": "7.0.2", + "resolved": "https://registry.npmjs.org/http-proxy-agent/-/http-proxy-agent-7.0.2.tgz", + "integrity": "sha512-T1gkAiYYDWYx3V5Bmyu7HcfcvL7mUrTWiM6yOfa3PIphViJ/gFPbvidQ+veqSOHci/PxBcDabeUNCzpOODJZig==", + "license": "MIT", + "dependencies": { + "agent-base": "^7.1.0", + "debug": "^4.3.4" + }, + "engines": { + "node": ">= 14" + } + }, + "node_modules/https-proxy-agent": { + "version": "7.0.6", + "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-7.0.6.tgz", + "integrity": "sha512-vK9P5/iUfdl95AI+JVyUuIcVtd4ofvtrOr3HNtM2yxC9bnMbEdp3x01OhQNnjb8IJYi38VlTE3mBXwcfvywuSw==", + "license": "MIT", + "dependencies": { + "agent-base": "^7.1.2", + "debug": "4" }, "engines": { - "node": ">= 0.8" - }, - "funding": { - "type": "opencollective", - "url": "https://opencollective.com/express" + "node": ">= 14" } }, "node_modules/iconv-lite": { @@ -606,12 +1159,37 @@ "integrity": "sha512-Ius2VYcGNk7T90CppJqcIkS5ooHUZyIQK+ClZfMfMNFEF9VSE73Fq+906u/CWu92x4gzZMWOwfFYckPObzdEbA==", "license": "ISC" }, + "node_modules/import-fresh": { + "version": "3.3.1", + "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.3.1.tgz", + "integrity": "sha512-TR3KfrTZTYLPB6jUjfx6MF9WcWrHL9su5TObK4ZkYgBdWKPOFoSoQIdEuTuR82pmtxH2spWG9h6etwfr1pLBqQ==", + "license": "MIT", + "dependencies": { + "parent-module": "^1.0.0", + "resolve-from": "^4.0.0" + }, + "engines": { + "node": ">=6" + }, + "funding": { + "url": "https://github.com/sponsors/sindresorhus" + } + }, "node_modules/inherits": { "version": "2.0.4", "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz", "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==", "license": "ISC" }, + "node_modules/ip-address": { + "version": "10.1.0", + "resolved": "https://registry.npmjs.org/ip-address/-/ip-address-10.1.0.tgz", + "integrity": "sha512-XXADHxXmvT9+CRxhXg56LJovE+bmWnEWB78LB83VZTprKTmaC5QfruXocxzTZ2Kl0DNwKuBdlIhjL8LeY8Sf8Q==", + "license": "MIT", + "engines": { + "node": ">= 12" + } + }, "node_modules/ipaddr.js": { "version": "1.9.1", "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz", @@ -621,6 +1199,12 @@ "node": ">= 0.10" } }, + "node_modules/is-arrayish": { + "version": "0.2.1", + "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz", + "integrity": "sha512-zz06S8t0ozoDXMG+ube26zeCTNXcKIPJZJi8hBrF4idCLms4CG9QtK7qBl1boi5ODzFpjswb5JPmHCbMpjaYzg==", + "license": "MIT" + }, "node_modules/is-binary-path": { "version": "2.1.0", "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz", @@ -642,6 +1226,15 @@ "node": ">=0.10.0" } }, + "node_modules/is-fullwidth-code-point": { + "version": "3.0.0", + "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz", + "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==", + "license": "MIT", + "engines": { + "node": ">=8" + } + }, "node_modules/is-glob": { "version": "4.0.3", "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.3.tgz", @@ -669,6 +1262,30 @@ "integrity": "sha512-hvpoI6korhJMnej285dSg6nu1+e6uxs7zG3BYAm5byqDsgJNWwxzM6z6iZiAgQR4TJ30JmBTOwqZUw3WlyH3AQ==", "license": "MIT" }, + "node_modules/js-tokens": { + "version": "4.0.0", + "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz", + "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==", + "license": "MIT" + }, + "node_modules/js-yaml": { + "version": "4.1.1", + "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz", + "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==", + "license": "MIT", + "dependencies": { + "argparse": "^2.0.1" + }, + "bin": { + "js-yaml": "bin/js-yaml.js" + } + }, + "node_modules/json-parse-even-better-errors": { + "version": "2.3.1", + "resolved": "https://registry.npmjs.org/json-parse-even-better-errors/-/json-parse-even-better-errors-2.3.1.tgz", + "integrity": "sha512-xyFwyhro/JEof6Ghe2iz2NcXoj2sloNsWr/XsERDK/oiPCfaNhl5ONfp+jQdAZRQQ0IJWNzH9zIZF7li91kh2w==", + "license": "MIT" + }, "node_modules/kareem": { "version": "3.2.0", "resolved": "https://registry.npmjs.org/kareem/-/kareem-3.2.0.tgz", @@ -678,6 +1295,21 @@ "node": ">=18.0.0" } }, + "node_modules/lines-and-columns": { + "version": "1.2.4", + "resolved": "https://registry.npmjs.org/lines-and-columns/-/lines-and-columns-1.2.4.tgz", + "integrity": "sha512-7ylylesZQ/PV29jhEDl3Ufjo6ZX7gCqJr5F7PKrqc93v7fzSymt1BpwEU8nAUXs8qzzvqhbjhK5QZg6Mt/HkBg==", + "license": "MIT" + }, + "node_modules/lru-cache": { + "version": "7.18.3", + "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-7.18.3.tgz", + "integrity": "sha512-jumlc0BIUrS3qJGgIkWZsyfAM7NCWiBcCDhnd+3NNM5KbBmLTgHVfWBcg6W+rLUsIpzpERPsvwUP7CckAQSOoA==", + "license": "ISC", + "engines": { + "node": ">=12" + } + }, "node_modules/math-intrinsics": { "version": "1.1.0", "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz", @@ -754,6 +1386,12 @@ "url": "https://github.com/sponsors/isaacs" } }, + "node_modules/mitt": { + "version": "3.0.1", + "resolved": "https://registry.npmjs.org/mitt/-/mitt-3.0.1.tgz", + "integrity": "sha512-vKivATfr97l2/QBCYAkXYDbrIWPM2IIKEl7YPhjCvKlG3kE2gm+uBo6nEXK3M5/Ffh/FLpKExzOQ3JJoJGFKBw==", + "license": "MIT" + }, "node_modules/mongodb": { "version": "7.1.0", "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-7.1.0.tgz", @@ -867,6 +1505,15 @@ "node": ">= 0.6" } }, + "node_modules/netmask": { + "version": "2.0.2", + "resolved": "https://registry.npmjs.org/netmask/-/netmask-2.0.2.tgz", + "integrity": "sha512-dBpDMdxv9Irdq66304OLfEmQ9tbNRFnFTuZiLo+bD+r332bBmMJ8GBLXklIXXgxd3+v9+KUnZaUR5PJMa75Gsg==", + "license": "MIT", + "engines": { + "node": ">= 0.4.0" + } + }, "node_modules/nodemon": { "version": "3.1.14", "resolved": "https://registry.npmjs.org/nodemon/-/nodemon-3.1.14.tgz", @@ -937,6 +1584,68 @@ "wrappy": "1" } }, + "node_modules/pac-proxy-agent": { + "version": "7.2.0", + "resolved": "https://registry.npmjs.org/pac-proxy-agent/-/pac-proxy-agent-7.2.0.tgz", + "integrity": "sha512-TEB8ESquiLMc0lV8vcd5Ql/JAKAoyzHFXaStwjkzpOpC5Yv+pIzLfHvjTSdf3vpa2bMiUQrg9i6276yn8666aA==", + "license": "MIT", + "dependencies": { + "@tootallnate/quickjs-emscripten": "^0.23.0", + "agent-base": "^7.1.2", + "debug": "^4.3.4", + "get-uri": "^6.0.1", + "http-proxy-agent": "^7.0.0", + "https-proxy-agent": "^7.0.6", + "pac-resolver": "^7.0.1", + "socks-proxy-agent": "^8.0.5" + }, + "engines": { + "node": ">= 14" + } + }, + "node_modules/pac-resolver": { + "version": "7.0.1", + "resolved": "https://registry.npmjs.org/pac-resolver/-/pac-resolver-7.0.1.tgz", + "integrity": "sha512-5NPgf87AT2STgwa2ntRMr45jTKrYBGkVU36yT0ig/n/GMAa3oPqhZfIQ2kMEimReg0+t9kZViDVZ83qfVUlckg==", + "license": "MIT", + "dependencies": { + "degenerator": "^5.0.0", + "netmask": "^2.0.2" + }, + "engines": { + "node": ">= 14" + } + }, + "node_modules/parent-module": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz", + "integrity": "sha512-GQ2EWRpQV8/o+Aw8YqtfZZPfNRWZYkbidE9k5rpl/hC3vtHHBfGm2Ifi6qWV+coDGkrUKZAxE3Lot5kcsRlh+g==", + "license": "MIT", + "dependencies": { + "callsites": "^3.0.0" + }, + "engines": { + "node": ">=6" + } + }, + "node_modules/parse-json": { + "version": "5.2.0", + "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-5.2.0.tgz", + "integrity": "sha512-ayCKvm/phCGxOkYRSCM82iDwct8/EonSEgCSxWxD7ve6jHggsFl4fZVQBPRNgQoKiuV/odhFrGzQXZwbifC8Rg==", + "license": "MIT", + "dependencies": { + "@babel/code-frame": "^7.0.0", + "error-ex": "^1.3.1", + "json-parse-even-better-errors": "^2.3.0", + "lines-and-columns": "^1.1.6" + }, + "engines": { + "node": ">=8" + }, + "funding": { + "url": "https://github.com/sponsors/sindresorhus" + } + }, "node_modules/parseurl": { "version": "1.3.3", "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz", @@ -956,6 +1665,18 @@ "url": "https://opencollective.com/express" } }, + "node_modules/pend": { + "version": "1.2.0", + "resolved": "https://registry.npmjs.org/pend/-/pend-1.2.0.tgz", + "integrity": "sha512-F3asv42UuXchdzt+xXqfW1OGlVBe+mxa2mqI0pg5yAHZPvFmY3Y6drSf/GQ1A86WgWEN9Kzh/WrgKa6iGcHXLg==", + "license": "MIT" + }, + "node_modules/picocolors": { + "version": "1.1.1", + "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz", + "integrity": "sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==", + "license": "ISC" + }, "node_modules/picomatch": { "version": "2.3.1", "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz", @@ -968,6 +1689,15 @@ "url": "https://github.com/sponsors/jonschlinkert" } }, + "node_modules/progress": { + "version": "2.0.3", + "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.3.tgz", + "integrity": "sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==", + "license": "MIT", + "engines": { + "node": ">=0.4.0" + } + }, "node_modules/proxy-addr": { "version": "2.0.7", "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz", @@ -981,12 +1711,47 @@ "node": ">= 0.10" } }, + "node_modules/proxy-agent": { + "version": "6.5.0", + "resolved": "https://registry.npmjs.org/proxy-agent/-/proxy-agent-6.5.0.tgz", + "integrity": "sha512-TmatMXdr2KlRiA2CyDu8GqR8EjahTG3aY3nXjdzFyoZbmB8hrBsTyMezhULIXKnC0jpfjlmiZ3+EaCzoInSu/A==", + "license": "MIT", + "dependencies": { + "agent-base": "^7.1.2", + "debug": "^4.3.4", + "http-proxy-agent": "^7.0.1", + "https-proxy-agent": "^7.0.6", + "lru-cache": "^7.14.1", + "pac-proxy-agent": "^7.1.0", + "proxy-from-env": "^1.1.0", + "socks-proxy-agent": "^8.0.5" + }, + "engines": { + "node": ">= 14" + } + }, + "node_modules/proxy-from-env": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz", + "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==", + "license": "MIT" + }, "node_modules/pstree.remy": { "version": "1.1.8", "resolved": "https://registry.npmjs.org/pstree.remy/-/pstree.remy-1.1.8.tgz", "integrity": "sha512-77DZwxQmxKnu3aR542U+X8FypNzbfJ+C5XQDk3uWjWxn6151aIMGthWYRXTqT1E5oJvg+ljaa2OJi+VfvCOQ8w==", "license": "MIT" }, + "node_modules/pump": { + "version": "3.0.4", + "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.4.tgz", + "integrity": "sha512-VS7sjc6KR7e1ukRFhQSY5LM2uBWAUPiOPa/A3mkKmiMwSmRFUITt0xuj+/lesgnCv+dPIEYlkzrcyXgquIHMcA==", + "license": "MIT", + "dependencies": { + "end-of-stream": "^1.1.0", + "once": "^1.3.1" + } + }, "node_modules/punycode": { "version": "2.3.1", "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz", @@ -996,6 +1761,45 @@ "node": ">=6" } }, + "node_modules/puppeteer": { + "version": "24.40.0", + "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-24.40.0.tgz", + "integrity": "sha512-IxQbDq93XHVVLWHrAkFP7F7iHvb9o0mgfsSIMlhHb+JM+JjM1V4v4MNSQfcRWJopx9dsNOr9adYv0U5fm9BJBQ==", + "hasInstallScript": true, + "license": "Apache-2.0", + "dependencies": { + "@puppeteer/browsers": "2.13.0", + "chromium-bidi": "14.0.0", + "cosmiconfig": "^9.0.0", + "devtools-protocol": "0.0.1581282", + "puppeteer-core": "24.40.0", + "typed-query-selector": "^2.12.1" + }, + "bin": { + "puppeteer": "lib/cjs/puppeteer/node/cli.js" + }, + "engines": { + "node": ">=18" + } + }, + "node_modules/puppeteer-core": { + "version": "24.40.0", + "resolved": "https://registry.npmjs.org/puppeteer-core/-/puppeteer-core-24.40.0.tgz", + "integrity": "sha512-MWL3XbUCfVgGR0gRsidzT6oKJT2QydPLhMITU6HoVWiiv4gkb6gJi3pcdAa8q4HwjBTbqISOWVP4aJiiyUJvag==", + "license": "Apache-2.0", + "dependencies": { + "@puppeteer/browsers": "2.13.0", + "chromium-bidi": "14.0.0", + "debug": "^4.4.3", + "devtools-protocol": "0.0.1581282", + "typed-query-selector": "^2.12.1", + "webdriver-bidi-protocol": "0.4.1", + "ws": "^8.19.0" + }, + "engines": { + "node": ">=18" + } + }, "node_modules/qs": { "version": "6.15.0", "resolved": "https://registry.npmjs.org/qs/-/qs-6.15.0.tgz", @@ -1047,6 +1851,24 @@ "node": ">=8.10.0" } }, + "node_modules/require-directory": { + "version": "2.1.1", + "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz", + "integrity": "sha512-fGxEI7+wsG9xrvdjsrlmL22OMTTiHRwAMroiEeMgq8gzoLC/PQr7RsRDSTLUg/bZAZtF+TVIkHc6/4RIKrui+Q==", + "license": "MIT", + "engines": { + "node": ">=0.10.0" + } + }, + "node_modules/resolve-from": { + "version": "4.0.0", + "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz", + "integrity": "sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==", + "license": "MIT", + "engines": { + "node": ">=4" + } + }, "node_modules/router": { "version": "2.2.0", "resolved": "https://registry.npmjs.org/router/-/router-2.2.0.tgz", @@ -1222,6 +2044,54 @@ "node": ">=10" } }, + "node_modules/smart-buffer": { + "version": "4.2.0", + "resolved": "https://registry.npmjs.org/smart-buffer/-/smart-buffer-4.2.0.tgz", + "integrity": "sha512-94hK0Hh8rPqQl2xXc3HsaBoOXKV20MToPkcXvwbISWLEs+64sBq5kFgn2kJDHb1Pry9yrP0dxrCI9RRci7RXKg==", + "license": "MIT", + "engines": { + "node": ">= 6.0.0", + "npm": ">= 3.0.0" + } + }, + "node_modules/socks": { + "version": "2.8.7", + "resolved": "https://registry.npmjs.org/socks/-/socks-2.8.7.tgz", + "integrity": "sha512-HLpt+uLy/pxB+bum/9DzAgiKS8CX1EvbWxI4zlmgGCExImLdiad2iCwXT5Z4c9c3Eq8rP2318mPW2c+QbtjK8A==", + "license": "MIT", + "dependencies": { + "ip-address": "^10.0.1", + "smart-buffer": "^4.2.0" + }, + "engines": { + "node": ">= 10.0.0", + "npm": ">= 3.0.0" + } + }, + "node_modules/socks-proxy-agent": { + "version": "8.0.5", + "resolved": "https://registry.npmjs.org/socks-proxy-agent/-/socks-proxy-agent-8.0.5.tgz", + "integrity": "sha512-HehCEsotFqbPW9sJ8WVYB6UbmIMv7kUUORIF2Nncq4VQvBfNBLibW9YZR5dlYCSUhwcD628pRllm7n+E+YTzJw==", + "license": "MIT", + "dependencies": { + "agent-base": "^7.1.2", + "debug": "^4.3.4", + "socks": "^2.8.3" + }, + "engines": { + "node": ">= 14" + } + }, + "node_modules/source-map": { + "version": "0.6.1", + "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz", + "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==", + "license": "BSD-3-Clause", + "optional": true, + "engines": { + "node": ">=0.10.0" + } + }, "node_modules/sparse-bitfield": { "version": "3.0.3", "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz", @@ -1240,6 +2110,43 @@ "node": ">= 0.8" } }, + "node_modules/streamx": { + "version": "2.25.0", + "resolved": "https://registry.npmjs.org/streamx/-/streamx-2.25.0.tgz", + "integrity": "sha512-0nQuG6jf1w+wddNEEXCF4nTg3LtufWINB5eFEN+5TNZW7KWJp6x87+JFL43vaAUPyCfH1wID+mNVyW6OHtFamg==", + "license": "MIT", + "dependencies": { + "events-universal": "^1.0.0", + "fast-fifo": "^1.3.2", + "text-decoder": "^1.1.0" + } + }, + "node_modules/string-width": { + "version": "4.2.3", + "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz", + "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==", + "license": "MIT", + "dependencies": { + "emoji-regex": "^8.0.0", + "is-fullwidth-code-point": "^3.0.0", + "strip-ansi": "^6.0.1" + }, + "engines": { + "node": ">=8" + } + }, + "node_modules/strip-ansi": { + "version": "6.0.1", + "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz", + "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==", + "license": "MIT", + "dependencies": { + "ansi-regex": "^5.0.1" + }, + "engines": { + "node": ">=8" + } + }, "node_modules/supports-color": { "version": "5.5.0", "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz", @@ -1252,6 +2159,50 @@ "node": ">=4" } }, + "node_modules/tar-fs": { + "version": "3.1.2", + "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-3.1.2.tgz", + "integrity": "sha512-QGxxTxxyleAdyM3kpFs14ymbYmNFrfY+pHj7Z8FgtbZ7w2//VAgLMac7sT6nRpIHjppXO2AwwEOg0bPFVRcmXw==", + "license": "MIT", + "dependencies": { + "pump": "^3.0.0", + "tar-stream": "^3.1.5" + }, + "optionalDependencies": { + "bare-fs": "^4.0.1", + "bare-path": "^3.0.0" + } + }, + "node_modules/tar-stream": { + "version": "3.1.8", + "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-3.1.8.tgz", + "integrity": "sha512-U6QpVRyCGHva435KoNWy9PRoi2IFYCgtEhq9nmrPPpbRacPs9IH4aJ3gbrFC8dPcXvdSZ4XXfXT5Fshbp2MtlQ==", + "license": "MIT", + "dependencies": { + "b4a": "^1.6.4", + "bare-fs": "^4.5.5", + "fast-fifo": "^1.2.0", + "streamx": "^2.15.0" + } + }, + "node_modules/teex": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/teex/-/teex-1.0.1.tgz", + "integrity": "sha512-eYE6iEI62Ni1H8oIa7KlDU6uQBtqr4Eajni3wX7rpfXD8ysFx8z0+dri+KWEPWpBsxXfxu58x/0jvTVT1ekOSg==", + "license": "MIT", + "dependencies": { + "streamx": "^2.12.5" + } + }, + "node_modules/text-decoder": { + "version": "1.2.7", + "resolved": "https://registry.npmjs.org/text-decoder/-/text-decoder-1.2.7.tgz", + "integrity": "sha512-vlLytXkeP4xvEq2otHeJfSQIRyWxo/oZGEbXrtEEF9Hnmrdly59sUbzZ/QgyWuLYHctCHxFF4tRQZNQ9k60ExQ==", + "license": "Apache-2.0", + "dependencies": { + "b4a": "^1.6.4" + } + }, "node_modules/to-regex-range": { "version": "5.0.1", "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz", @@ -1294,6 +2245,12 @@ "node": ">=18" } }, + "node_modules/tslib": { + "version": "2.8.1", + "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz", + "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==", + "license": "0BSD" + }, "node_modules/type-is": { "version": "2.0.1", "resolved": "https://registry.npmjs.org/type-is/-/type-is-2.0.1.tgz", @@ -1308,12 +2265,25 @@ "node": ">= 0.6" } }, + "node_modules/typed-query-selector": { + "version": "2.12.1", + "resolved": "https://registry.npmjs.org/typed-query-selector/-/typed-query-selector-2.12.1.tgz", + "integrity": "sha512-uzR+FzI8qrUEIu96oaeBJmd9E7CFEiQ3goA5qCVgc4s5llSubcfGHq9yUstZx/k4s9dXHVKsE35YWoFyvEqEHA==", + "license": "MIT" + }, "node_modules/undefsafe": { "version": "2.0.5", "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz", "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==", "license": "MIT" }, + "node_modules/undici-types": { + "version": "7.18.2", + "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz", + "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==", + "license": "MIT", + "optional": true + }, "node_modules/unpipe": { "version": "1.0.0", "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz", @@ -1332,6 +2302,12 @@ "node": ">= 0.8" } }, + "node_modules/webdriver-bidi-protocol": { + "version": "0.4.1", + "resolved": "https://registry.npmjs.org/webdriver-bidi-protocol/-/webdriver-bidi-protocol-0.4.1.tgz", + "integrity": "sha512-ARrjNjtWRRs2w4Tk7nqrf2gBI0QXWuOmMCx2hU+1jUt6d00MjMxURrhxhGbrsoiZKJrhTSTzbIrc554iKI10qw==", + "license": "Apache-2.0" + }, "node_modules/webidl-conversions": { "version": "7.0.0", "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz", @@ -1354,11 +2330,104 @@ "node": ">=18" } }, + "node_modules/wrap-ansi": { + "version": "7.0.0", + "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz", + "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==", + "license": "MIT", + "dependencies": { + "ansi-styles": "^4.0.0", + "string-width": "^4.1.0", + "strip-ansi": "^6.0.0" + }, + "engines": { + "node": ">=10" + }, + "funding": { + "url": "https://github.com/chalk/wrap-ansi?sponsor=1" + } + }, "node_modules/wrappy": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz", "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==", "license": "ISC" + }, + "node_modules/ws": { + "version": "8.19.0", + "resolved": "https://registry.npmjs.org/ws/-/ws-8.19.0.tgz", + "integrity": "sha512-blAT2mjOEIi0ZzruJfIhb3nps74PRWTCz1IjglWEEpQl5XS/UNama6u2/rjFkDDouqr4L67ry+1aGIALViWjDg==", + "license": "MIT", + "engines": { + "node": ">=10.0.0" + }, + "peerDependencies": { + "bufferutil": "^4.0.1", + "utf-8-validate": ">=5.0.2" + }, + "peerDependenciesMeta": { + "bufferutil": { + "optional": true + }, + "utf-8-validate": { + "optional": true + } + } + }, + "node_modules/y18n": { + "version": "5.0.8", + "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz", + "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==", + "license": "ISC", + "engines": { + "node": ">=10" + } + }, + "node_modules/yargs": { + "version": "17.7.2", + "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.7.2.tgz", + "integrity": "sha512-7dSzzRQ++CKnNI/krKnYRV7JKKPUXMEh61soaHKg9mrWEhzFWhFnxPxGl+69cD1Ou63C13NUPCnmIcrvqCuM6w==", + "license": "MIT", + "dependencies": { + "cliui": "^8.0.1", + "escalade": "^3.1.1", + "get-caller-file": "^2.0.5", + "require-directory": "^2.1.1", + "string-width": "^4.2.3", + "y18n": "^5.0.5", + "yargs-parser": "^21.1.1" + }, + "engines": { + "node": ">=12" + } + }, + "node_modules/yargs-parser": { + "version": "21.1.1", + "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.1.1.tgz", + "integrity": "sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==", + "license": "ISC", + "engines": { + "node": ">=12" + } + }, + "node_modules/yauzl": { + "version": "2.10.0", + "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz", + "integrity": "sha512-p4a9I6X6nu6IhoGmBqAcbJy1mlC4j27vEPZX9F4L4/vZT3Lyq1VkFHw/V/PUcB9Buo+DG3iHkT0x3Qya58zc3g==", + "license": "MIT", + "dependencies": { + "buffer-crc32": "~0.2.3", + "fd-slicer": "~1.1.0" + } + }, + "node_modules/zod": { + "version": "3.25.76", + "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz", + "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==", + "license": "MIT", + "funding": { + "url": "https://github.com/sponsors/colinhacks" + } } } } diff --git a/Backend/package.json b/Backend/package.json index 7e5f6df..b05bb23 100644 --- a/Backend/package.json +++ b/Backend/package.json @@ -3,6 +3,8 @@ "ejs": "^5.0.1", "express": "^5.2.1", "mongoose": "^9.3.1", - "nodemon": "^3.1.14" + "nodemon": "^3.1.14", + "puppeteer": "^24.40.0", + "puppeteer-core": "^24.40.0" } } diff --git a/Frontend/views/download.ejs b/Frontend/views/download.ejs new file mode 100644 index 0000000..ec4bd27 --- /dev/null +++ b/Frontend/views/download.ejs @@ -0,0 +1,37 @@ + + + + + + AutoPaper + + +

AUTOPAPER

+ +<%let i = 0%> +<%for(let q of question){ + if(typeof q === 'string'){i=0%> +
<%= q %>
+ <%}else{ + if(q.questionType === 'MCQ'){i=i+1;%> +

(<%=i%>)<%=q.questionText%>

+

(A)<%=q.options[0]%>

+

(B)<%=q.options[1]%>

+

(C)<%=q.options[2]%>

+

(D)<%=q.options[3]%>

+ + <%}else{ i=i+1;%> +

(<%=i%>)<%=q.questionText%>

+ <%} + } +}%> + + + + \ No newline at end of file diff --git a/Frontend/views/index.ejs b/Frontend/views/index.ejs index ce3632e..86bb02d 100644 --- a/Frontend/views/index.ejs +++ b/Frontend/views/index.ejs @@ -3,26 +3,34 @@ - Document + AutoPaper

AUTOPAPER

+
+ +
+ + +<%let i = 0%> <%for(let q of question){ - if(typeof q === 'string'){%> + if(typeof q === 'string'){i=0%>
<%= q %>
<%}else{ - if(q.questionType === 'MCQ'){%> -

<%=q.questionText%>

+ if(q.questionType === 'MCQ'){i=i+1;%> +

(<%=i%>)<%=q.questionText%>

(A)<%=q.options[0]%>

(B)<%=q.options[1]%>

(C)<%=q.options[2]%>

(D)<%=q.options[3]%>

- <%}else{%> -

<%=q.questionText%>

- <% } + + <%}else{ i=i+1;%> +

(<%=i%>)<%=q.questionText%>

+ <%} } }%> - + + From 2dd2ed565d54f908b4f1a7e479b47178f39f08cd Mon Sep 17 00:00:00 2001 From: Gururaj Lande Date: Fri, 27 Mar 2026 13:42:45 +0530 Subject: [PATCH 05/11] febe --- Backend/.env | 2 - Backend/.gitignore | 1 + Backend/Config/db.js | 8 - Backend/SSC_Science1_Mongoose_v2.json | 13592 ------------------------ Backend/app.js | 134 - Backend/functions/generatepaper.js | 62 + Backend/index.js | 90 +- Backend/{ => init}/init.js | 2 +- Backend/logo.jpeg | Bin 0 -> 71527 bytes Backend/package-lock.json | 36 +- Backend/package.json | 1 + Backend/public/script.js | 86 + Backend/public/style.css | 725 ++ Backend/routes/about.js | 8 + Backend/routes/contact.js | 7 + Backend/routes/home.js | 9 + Backend/server.js | 54 - Backend/views/ejs/about.ejs | 45 + Backend/views/ejs/contact.ejs | 43 + Backend/views/ejs/download.ejs | 37 + Backend/views/ejs/home.ejs | 104 + Backend/views/ejs/index.ejs | 36 + Backend/views/includes/footer.ejs | 27 + Backend/views/includes/navbar.ejs | 15 + Backend/views/layout/boilerplate.ejs | 21 + 25 files changed, 1283 insertions(+), 13862 deletions(-) delete mode 100644 Backend/.env delete mode 100644 Backend/Config/db.js delete mode 100644 Backend/SSC_Science1_Mongoose_v2.json delete mode 100644 Backend/app.js create mode 100644 Backend/functions/generatepaper.js rename Backend/{ => init}/init.js (92%) create mode 100644 Backend/logo.jpeg create mode 100644 Backend/public/script.js create mode 100644 Backend/public/style.css create mode 100644 Backend/routes/about.js create mode 100644 Backend/routes/contact.js create mode 100644 Backend/routes/home.js delete mode 100644 Backend/server.js create mode 100644 Backend/views/ejs/about.ejs create mode 100644 Backend/views/ejs/contact.ejs create mode 100644 Backend/views/ejs/download.ejs create mode 100644 Backend/views/ejs/home.ejs create mode 100644 Backend/views/ejs/index.ejs create mode 100644 Backend/views/includes/footer.ejs create mode 100644 Backend/views/includes/navbar.ejs create mode 100644 Backend/views/layout/boilerplate.ejs diff --git a/Backend/.env b/Backend/.env deleted file mode 100644 index 1c59e98..0000000 --- a/Backend/.env +++ /dev/null @@ -1,2 +0,0 @@ -MONGO_URI=mongodb://localhost:27017/AutoPaper -PORT=3000 \ No newline at end of file diff --git a/Backend/.gitignore b/Backend/.gitignore index 3c3629e..1dcef2d 100644 --- a/Backend/.gitignore +++ b/Backend/.gitignore @@ -1 +1,2 @@ node_modules +.env \ No newline at end of file diff --git a/Backend/Config/db.js b/Backend/Config/db.js deleted file mode 100644 index fe3fae8..0000000 --- a/Backend/Config/db.js +++ /dev/null @@ -1,8 +0,0 @@ -const mongoose = require('mongoose') - -const connectDB = async () => { - await mongoose.connect(process.env.MONGO_URI) - console.log('MongoDB Connected') -} - -module.exports = connectDB \ No newline at end of file diff --git a/Backend/SSC_Science1_Mongoose_v2.json b/Backend/SSC_Science1_Mongoose_v2.json deleted file mode 100644 index 0ed0221..0000000 --- a/Backend/SSC_Science1_Mongoose_v2.json +++ /dev/null @@ -1,13592 +0,0 @@ -[ - { - "questionText": "The orbit of a planet revolving around a star is ______.", - "questionType": "MCQ", - "options": [ - "circular", - "linear", - "towards the focal point", - "elliptical" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The value of universal gravitational constant (G) in SI unit is ______.", - "questionType": "MCQ", - "options": [ - "6.673×10⁻¹¹ Nm²/kg²", - "6.673×10¹¹ Nm/kg", - "9.673×10⁻¹¹ Nm/kg", - "9.673×10⁻¹¹ Nm²/kg²" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The gravitational force between two bodies is ______ of the distance between them.", - "questionType": "MCQ", - "options": [ - "inversely proportional to the square", - "directly proportional to the square", - "inversely proportional to the cube", - "inversely proportional to the square root" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The free fall of an object is possible only in ______.", - "questionType": "MCQ", - "options": [ - "air", - "vacuum", - "on the surface of earth", - "None of these" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The weight of any object on the moon is nearly ______ of the weight on earth.", - "questionType": "MCQ", - "options": [ - "1/6", - "1/8", - "1/2", - "2/6" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The ______ force is much weaker than other forces in nature.", - "questionType": "MCQ", - "options": [ - "gravitational", - "electromagnetic", - "nuclear", - "inter-molecular" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The value of gravitational acceleration (g) is ______ at the poles.", - "questionType": "MCQ", - "options": [ - "highest", - "lowest", - "same as equator", - "zero" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A person weighs 60 N on earth. His weight on the moon will be ______.", - "questionType": "MCQ", - "options": [ - "360 N", - "60 N", - "10 N", - "6 N" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The value of g at the equator is ______.", - "questionType": "MCQ", - "options": [ - "9.78 m/s²", - "9.832 m/s²", - "9.8 m/s²", - "6.67 m/s²" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The astronomical object closest to us is the ______.", - "questionType": "MCQ", - "options": [ - "Moon", - "Mars", - "Saturn", - "Mercury" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The minimum velocity of the spacecraft to escape from earth's gravitational force must be ______.", - "questionType": "MCQ", - "options": [ - "112 km/s", - "11.2 km/s", - "1.12 km/s", - "0.112 km/s" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The formula for escape velocity is Vesc = ______.", - "questionType": "MCQ", - "options": [ - "√(2M/R)", - "√(2GM/R)", - "√(GM/R²)", - "√(Gm/R²)" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The value of escape velocity of a body from the earth's surface is ______.", - "questionType": "MCQ", - "options": [ - "√(GM/R)", - "2√(GM/R)", - "√(2GM/R)", - "√(GM/2R)" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The square of the period of revolution of a planet is directly proportional to the ______ of the mean distance from the sun.", - "questionType": "MCQ", - "options": [ - "square", - "square root", - "cube", - "cube root" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The CGS unit of G is ______.", - "questionType": "MCQ", - "options": [ - "dyne.cm²/g²", - "N.m²/kg²", - "dyne.m/g", - "N/kg" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The value of g on the surface of the moon is approximately ______.", - "questionType": "MCQ", - "options": [ - "1.63 m/s²", - "9.8 m/s²", - "6.67 m/s²", - "3.8 m/s²" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The first artificial satellite ______ was sent to space by Soviet Union in 1957.", - "questionType": "MCQ", - "options": [ - "Apollo", - "Chandrayaan", - "Sputnik", - "Luna 2" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The mass of the earth is approximately ______.", - "questionType": "MCQ", - "options": [ - "6×10²⁴ kg", - "6×10²² kg", - "6×10²⁰ kg", - "6×10¹⁸ kg" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A group of students from COEP Pune sent satellite ______ through ISRO in 2016.", - "questionType": "MCQ", - "options": [ - "Luna 6", - "Apollo 6", - "Swayam", - "Param" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The radius of the earth is approximately ______.", - "questionType": "MCQ", - "options": [ - "6400 km", - "4600 km", - "8400 km", - "3600 km" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Kepler's second law states that a planet sweeps ______ areas in equal time intervals.", - "questionType": "MCQ", - "options": [ - "unequal", - "equal", - "proportional", - "inversely proportional" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The orbital velocity of a satellite at height h from earth's surface is ______.", - "questionType": "MCQ", - "options": [ - "√(GM/R+h)", - "√(g(R+h))", - "√(gR²/(R+h))", - "√(2GM/R+h)" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If a spacecraft is to be sent to outer space it must have minimum velocity of ______.", - "questionType": "MCQ", - "options": [ - "11.2 km/s", - "11.6 km/s", - "13.2 km/s", - "1.4 m/s" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The value of g at the centre of the earth is ______.", - "questionType": "MCQ", - "options": [ - "9.8 m/s²", - "4.9 m/s²", - "0", - "infinite" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A geostationary satellite orbits at a height of approximately ______ km.", - "questionType": "MCQ", - "options": [ - "360", - "3600", - "35780", - "357800" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The gravitational force between two masses is F. If both masses are doubled, the new force will be ______.", - "questionType": "MCQ", - "options": [ - "F", - "2F", - "4F", - "F/4" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The weight of a body of mass 5 kg on moon (g______moon = 1.63 m/s²) is ______.", - "questionType": "MCQ", - "options": [ - "8.15 N", - "49 N", - "9.8 N", - "5 N" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which of the following satellites revolve in Low Earth Orbit (LEO)?", - "questionType": "MCQ", - "options": [ - "Communication satellites", - "Weather satellites", - "GPS satellites", - "Remote sensing satellites" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The critical velocity of a satellite orbiting close to earth's surface is approximately ______.", - "questionType": "MCQ", - "options": [ - "8 km/s", - "11.2 km/s", - "3 km/s", - "1.67 km/s" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If the distance between two objects is doubled, the gravitational force becomes ______.", - "questionType": "MCQ", - "options": [ - "double", - "half", - "one-fourth", - "four times" - ], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The value of gravitational acceleration at the centre of the earth is zero.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The value of g is highest at the equator.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The value of G varies from place to place.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The escape velocity on the moon is less than escape velocity on the earth.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: As it rises above the earth's surface, the value of g increases.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Mass is a qualitative measure of the inertia of an object.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The function of a satellite launcher is based on Newton's third law of motion.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Sputnik, Moon, Swayam, Chandrayaan.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Mass : Kilogram :: Weight : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the SI unit of gravitational constant G.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the SI unit of acceleration due to gravity g.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: India is the first country to discover the existence of water on the moon.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The speed of release of an object does not depend on the mass of the object.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: CGS unit of G is dyne.cm²/g².", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Electric motor : converts electrical energy into mechanical energy :: Electric generator : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The value of acceleration g is greater at the pole than at the equator.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The value of gravitational acceleration (g) decreases as we go above the earth's surface.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The value of gravitational acceleration (g) decreases as we go deep inside the earth.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The value of g at the centre of the earth is zero.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When we drop a feather and a stone at the same time from a height, the stone reaches the earth faster than a feather.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The weight of an object varies on different planets.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The weight of an object changes from place to place though its mass is constant.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Stars twinkle but we do not see the twinkling of planets.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The value of g is taken to be negative (-g) when studying the motion of an object thrown upwards.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Escape velocity on the moon is less than escape velocity on the earth.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Space debris can be harmful to the artificial satellites.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Satellite launch vehicles are very costly.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A satellite revolving close to the earth does not need any fuel to maintain its orbit.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Geostationary satellites are not useful for studies of polar regions.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The orbital velocity of a satellite does not depend on the mass of the satellite.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State Newton's Universal Law of Gravitation.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Define acceleration due to gravity. Write its value on the surface of Earth.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is free fall? When is it possible?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Define escape velocity. Write its formula.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is meant by satellite launch vehicle? Name any one Indian satellite launch vehicle.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Distinguish between mass and weight.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the three laws of Kepler.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is meant by Artificial satellite? How are they classified depending on their functions?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Distinguish between Universal gravitational constant (G) and gravitational acceleration (g).", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Mahendra and Virat are sitting at 1 m from each other. Their masses are 75 kg and 80 kg. What is the gravitational force between them? (G = 6.67×10⁻¹¹ Nm²/kg²)", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a geostationary satellite? Write its uses.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a Low Earth Orbit satellite? Give two examples.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The orbit of a satellite is exactly 35780 km above earth's surface and tangential velocity is 3.08 km/s. How much time will it take to complete one revolution? (Radius of earth = 6400 km)", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is Medium Earth Orbit?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write functions of Military satellite and Navigational satellite.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "An object takes 5 s to reach the ground from a height of 5 m on a planet. What is the value of g on the planet?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If a person weighs 750 N on earth, what will be the weight of the person on the moon? (g______moon = g/6)", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Calculate the critical velocity of a satellite to be located at 35780 km above the surface of earth.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is space debris? Suggest ways to manage it.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the names of India's satellite series and launchers.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the diagram of a planet moving around the Sun and answer: (a) What is the orbit of the planet? (b) Relation between velocity and distance from sun? (c) Explain areas ASB, CSD and ESF.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State Newton's universal law of gravitation. Express it mathematically. If the distance between two bodies is tripled, how will the gravitational force change? What if mass of one is doubled?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "easy", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The mass and weight of an object on earth are 5 kg and 49 N. What will be their values on the moon (g______moon = g/6)?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "An object thrown vertically upwards reaches height of 500 m. What was initial velocity? How long to come back? (g = 10 m/s²)", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The masses of earth and moon are 6×10²⁴ kg and 7.4×10²² kg. Distance between them is 3.84×10⁵ km. Calculate the gravitational force. (G = 6.7×10⁻¹¹ Nm²/kg²)", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain in detail: What are the types of artificial satellites? Give the name, function and orbit of each type.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A ball falls off a table and reaches the ground in 1 s. Assuming g = 10 m/s², calculate its speed on reaching the ground and height of the table.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The mass of planet X is four times that of earth and its radius is double. Escape velocity from earth is 11.2×10³ m/s. Find escape velocity from planet X.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State and explain Kepler's three laws of planetary motion with diagrams.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a satellite launcher? Explain the external layout of an ISRO satellite launcher with diagram.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Read the given passage about free fall and answer: (a) The stone held in hand is stable because --- choose correct option. (b) Why does free fall not happen on earth? (c) Why does velocity increase during free fall? (d) Which type of force acts on object during free fall? (e) Why does free fall happen only in vacuum?", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "medium", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the given chart and answer --- Column 1: Location | Column 2: Height from earth's surface | Column 3: g (m/s²). Note the relationship and rewrite connecting each row correctly: Earth's surface, Mount Everest, highest balloon height, orbit of spacecraft, orbit of communication satellite.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Bring out the contribution of India's space missions. Write about Chandrayaan, Mangalyaan and any recent mission with their objectives and achievements.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "1", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Dobereiner laid down the ______ rule.", - "questionType": "MCQ", - "options": [ - "periodic", - "modern periodic", - "triad", - "octaves" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Newlands' Law of Octaves is applicable upto ______.", - "questionType": "MCQ", - "options": [ - "oxygen", - "calcium", - "cobalt", - "potassium" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "At the time of Mendeleev, ______ elements were known.", - "questionType": "MCQ", - "options": [ - "56", - "65", - "63", - "118" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In Modern Periodic Table the number of groups and periods are respectively ______ and ______.", - "questionType": "MCQ", - "options": [ - "16, 7", - "6, 16", - "18, 7", - "18, 6" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The groups 1 and 2 constitute the ______ block.", - "questionType": "MCQ", - "options": [ - "s", - "p", - "d", - "f" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ is the outermost shell for elements of period 2.", - "questionType": "MCQ", - "options": [ - "K", - "L", - "M", - "N" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "According to Mendeleev's periodic law, properties of elements are periodic function of their ______.", - "questionType": "MCQ", - "options": [ - "Atomic numbers", - "Atomic masses", - "Densities", - "Boiling points" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which pair of atomic numbers represents elements in the same group?", - "questionType": "MCQ", - "options": [ - "11, 19", - "6, 12", - "4, 16", - "8, 17" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In Mendeleev's periodic table eka-silicon was later named as ______.", - "questionType": "MCQ", - "options": [ - "Scandium", - "Gallium", - "Germanium", - "Thorium" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In ______ block of the modern periodic table non-metals are found.", - "questionType": "MCQ", - "options": [ - "s-block", - "d-block", - "p-block", - "f-block" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which among the following elements would lose an electron easily?", - "questionType": "MCQ", - "options": [ - "Mg", - "Na", - "Al", - "Cl" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which among the following is the largest element?", - "questionType": "MCQ", - "options": [ - "Na", - "Mg", - "K", - "Ca" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "On moving from left to right in a periodic table, the size of the atom ______.", - "questionType": "MCQ", - "options": [ - "increases", - "decreases", - "decreases first and then increases", - "does not change" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "X and Y are two elements obeying Newlands' Law of Octaves. The minimum and maximum number of elements in between X and Y respectively are ______.", - "questionType": "MCQ", - "options": [ - "6 and 8", - "7 and 15", - "8 and 14", - "6 and 13" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Arrange Na, Si, Cl, Mg, Al in order of decreasing metallic character.", - "questionType": "MCQ", - "options": [ - "Cl > Si > Al > Mg > Na", - "Na > Mg > Al > Si > Cl", - "Na > Al > Mg > Cl > Si", - "Al > Na > Si > Ca > Mg" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which one of the following does NOT increase while moving down the group?", - "questionType": "MCQ", - "options": [ - "Atomic radius", - "Metallic character", - "Valency", - "Number of shells" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The d-block elements are called ______ elements.", - "questionType": "MCQ", - "options": [ - "Transition", - "Metalloid", - "Normal", - "Inner transition" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Atomic radius is expressed in the unit ______.", - "questionType": "MCQ", - "options": [ - "nanometer", - "picometer", - "micrometer", - "millimeter" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The tendency of an element to form cation is the ______ character of that element.", - "questionType": "MCQ", - "options": [ - "non-metallic", - "basic", - "metallic", - "acidic" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ is in liquid form in the halogen family.", - "questionType": "MCQ", - "options": [ - "Fluorine", - "Chlorine", - "Bromine", - "Iodine" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The elements from the zero group are called ______.", - "questionType": "MCQ", - "options": [ - "alkali metals", - "alkaline earth metals", - "halogen", - "noble gases" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The number of electrons in the outermost shell of an atom determines the ______.", - "questionType": "MCQ", - "options": [ - "atomic number", - "atomic mass", - "valency", - "period" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The modern periodic law states that properties of elements are periodic function of their ______.", - "questionType": "MCQ", - "options": [ - "atomic mass", - "atomic number", - "valency", - "electronic configuration" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "How many elements are present between two elements A and B following Newland's octaves rule?", - "questionType": "MCQ", - "options": [ - "5", - "6", - "7", - "8" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The f-block elements are called ______.", - "questionType": "MCQ", - "options": [ - "Transition elements", - "Inner transition elements", - "Normal elements", - "Metalloids" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The element with the smallest atomic radius among group 1 elements is ______.", - "questionType": "MCQ", - "options": [ - "Li", - "Na", - "K", - "Rb" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Silicon is a ______.", - "questionType": "MCQ", - "options": [ - "metal", - "non-metal", - "metalloid", - "noble gas" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The highest electropositive element is ______.", - "questionType": "MCQ", - "options": [ - "Na", - "K", - "Cs", - "Fr" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The highest electronegative element is ______.", - "questionType": "MCQ", - "options": [ - "O", - "Cl", - "F", - "N" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Elements belonging to the same group have the same ______.", - "questionType": "MCQ", - "options": [ - "atomic mass", - "atomic number", - "number of electrons", - "valency" - ], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The similarity between properties of the first and eighth elements is called the octave rule.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Moving from left to right, the size of the atom decreases.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: All the elements in the halogen family are gases.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The metal properties of element decrease as it moves from left to right.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The properties of metal increase as it goes down in the group.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Beryllium and calcium are alkaline earth metals.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The modern periodic table shows 7 horizontal rows called periods.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Lithium, Sodium, Magnesium, Potassium.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Beryllium, Helium, Neon, Argon.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Fluorine, Boron, Bromine, Chlorine.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: F, K, Cl, I.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Eka boron : Scandium :: Eka Aluminum : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Mendeleev's periodic table : atomic mass :: Modern periodic table : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Group 1 and 2 : S block :: group 13 to 18 : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Cl : halogen group :: Ar : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Mendeleev kept vacant places in the periodic table.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "There was ambiguity about the correct position of hydrogen in Mendeleev's periodic table.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Boron and oxygen elements are placed in the second period in the periodic table.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "There was no definitive place for isotopes in Mendeleev's periodic table.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Lithium and sodium are included in the same group in the periodic table.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In the same period, boron and oxygen have different atomic sizes.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The metallic character of elements increases while going down the groups.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The non-metallic character increases while going from left to right in a period.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In group 2, calcium is more electropositive than beryllium.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Elements belonging to the same group have the same valency.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "While going from left to right within a period, the size of atom decreases.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Metallic character goes on decreasing while going from left to right in a period.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Noble gases do not form compounds easily.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The atomic radius of elements increases while going down a group.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Two elements at the same position was a demerit of Newland's octaves law.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State Dobereiner's law of Triads. Give one example of it.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State Newlands' Law of Octaves.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the modern periodic law and give the names of 'blocks' in the modern periodic table.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "An element has electronic configuration 2, 8, 2. (a) Atomic number? (b) Group? (c) Period?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Classify the following elements into Metals and Nonmetals: S, Mg, Al, P, N, Na.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is atomic radius? Write its unit.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is electropositivity? What is electronegativity?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the characteristic of Dobereiner's triads.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the name of noble gas having 2 electrons in its valence shell.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the name of elements having electronic configuration 2, 8, 2.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which two elements show ambiguity regarding their sequence in Mendeleev's periodic table?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "An element X has atomic number 11 and Y has atomic number 13. Both belong to third period. (a) Which is more metallic? (b) Valency of X and Y? (c) Why is atom size of Y smaller than X?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the period in which these elements can be placed: ₄Be, ₁₇Cl, ₂He, ₁₃Al.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Electronic configuration of element A is 2, 8, 1. (a) Atomic number of A? (b) Group of A?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write names of the elements from the description: (a) Metalloids in 2nd and 3rd period. (b) Non-metals in the 3rd period. (c) Two elements having valency 4.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Some elements and their atomic radii are given. Arrange K (231pm), Na (186pm), Rb (244pm), Cs (262pm), Li (151pm) in decreasing order of atomic radii.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "3, 1, 2 electrons are in valence shell of X, Y, Z elements. In which groups do they belong? Write their valency.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is the modern periodic table? How many elements are there in period 1, 2, 3?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Position of A (Period 2, Group 17), B (Period 3, Group 2), C (Period 4, Group 17). (a) Is A metal or nonmetal? (b) Outermost orbit of B? (c) Identify C and its physical state.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The electronic configuration of an element is 2, 8, 2. (a) Atomic number? (b) Column? (c) Row? (d) Chemical properties similar to which element from N(7), Be(4), Ar(18), Cl(17)?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the structure of the modern periodic table in short. Write the number of periods and groups.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "easy", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What physical and chemical properties did Mendeleev consider? What challenges did Mendeleev face?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the periodic table and answer: (a) Name and valencies of elements in 3rd row. (b) Classify into metal, nonmetal and metalloid. (c) Which block do nonmetals belong to? (d) Name any two metalloid elements.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Select appropriate options and complete the paragraph about blocks in modern periodic table (Metals, non-metals, metalloids, four, seven, s-block, p-block, d-block, f-block).", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Describe the merits of the Modern Periodic Table over Mendeleev's Periodic Table.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the name of the element, symbol, atomic number, electronic configuration of 2nd period elements. Arrange in ascending order of atomic mass.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the chart: Shell K (n=1, 2n²=2, capacity=2), L (n=2, 2n²=8, capacity=8), M (n=3), N (n=4). Fill blanks.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Compound XY: X (atomic no. 11) and Y (atomic no. 17). (a) Position of X and Y in modern periodic table. (b) Are X and Y metals, nonmetals or metalloids? (c) From which block? (d) Electronic configuration and valency.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Make a chart showing name, valency, atomic number, electronic configuration of elements in the 2nd row of the modern periodic table.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain: (a) Mendeleev's periodic law (b) State limitations of Dobereiner's law of triads (c) Describe the merits of Mendeleev's periodic table (d) What are the demerits of Mendeleev's periodic table?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the given chart. Element A (config 2,1), B (config 2,8), C (config 2,8,1), D (config 2,8,8). (a) Which elements are in same row? (b) Same column? (c) Which elements are in 18th column? (d) Which is more reactive, A or C? (e) Which of A or B is found in its compound?", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Atomic number of 10, 20, 7 --- write information about the given atomic numbers in the table: Atomic Number | Electronic configuration | Groups | Periods | Elements.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the periodic table. (a) Write name and valencies of elements in 3rd row. (b) Classify elements in this row in metal, nonmetal and metalloids. (c) Which block does nonmetals belong to? (d) Write name of any two metalloid elements.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "2", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Writing a chemical reaction in brief by using chemical formulae is called ______.", - "questionType": "MCQ", - "options": [ - "chemical change", - "chemical symbol", - "chemical equation", - "chemical reaction" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The chemical reaction in which two or more products are formed from a single reactant is called ______ reaction.", - "questionType": "MCQ", - "options": [ - "decomposition", - "combination", - "displacement", - "double displacement" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In the chemical equation the ______ are written on the left hand side.", - "questionType": "MCQ", - "options": [ - "products", - "reactants", - "element", - "catalyst" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "CaO + H₂O → Ca(OH)₂ + Heat is an example of ______ reaction.", - "questionType": "MCQ", - "options": [ - "Exothermic", - "Electrolysis", - "Decomposition", - "Endothermic" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The conversion of ferrous sulphate into ferric sulphate is ______ reaction.", - "questionType": "MCQ", - "options": [ - "Oxidation", - "Displacement", - "Electrolysis", - "Reduction" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Aqueous solution of ZnSO₄ is added into the aqueous solution of BaCl₂. This is the example of ______ reaction.", - "questionType": "MCQ", - "options": [ - "displacement", - "double displacement", - "redox", - "reduction" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When the positive charge on an ion increases or the negative charge decreases it is called ______.", - "questionType": "MCQ", - "options": [ - "reduction", - "corrosion", - "oxidation", - "decomposition" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "2H₂ + O₂ → 2H₂O : Combination :: 2HgO → 2Hg + O₂ : ______.", - "questionType": "MCQ", - "options": [ - "Decomposition", - "Displacement", - "Redox", - "Exothermic" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which of the following is NOT a chemical change?", - "questionType": "MCQ", - "options": [ - "Burning of wood", - "Rusting of iron", - "Dissolution of salt in water", - "Souring of milk" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Carbonate ores are strongly heated in limited supply of air. This process is called ______.", - "questionType": "MCQ", - "options": [ - "leaching", - "calcination", - "roasting", - "tinning" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The reaction in which ions in the reactants are exchanged to form a precipitate is called ______ reaction.", - "questionType": "MCQ", - "options": [ - "Combination", - "Decomposition", - "Displacement", - "Double Displacement" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When crystals of copper sulphate are strongly heated, the residue obtained is ______.", - "questionType": "MCQ", - "options": [ - "red in colour", - "blue in colour", - "green in colour", - "colourless" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which of the following is an endothermic reaction?", - "questionType": "MCQ", - "options": [ - "CaO + H₂O → Ca(OH)₂ + Heat", - "HCl + NaOH → NaCl + H₂O + Heat", - "2KClO₃ → 2KCl + 3O₂", - "Mg + O₂ → 2MgO" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The chemical reaction in which two reactants form two products by exchange of ions is called ______.", - "questionType": "MCQ", - "options": [ - "Combination", - "Decomposition", - "Single displacement", - "Double displacement" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "CuSO₄(aq) + Fe(s) → ______ + ______.", - "questionType": "MCQ", - "options": [ - "FeSO₄ + Cu", - "Cu + FeO", - "CuO + FeSO₄", - "FeO + Cu" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The reaction in which a substance combines with oxygen is called ______.", - "questionType": "MCQ", - "options": [ - "reduction", - "combination", - "oxidation", - "decomposition" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In a redox reaction, the substance which is oxidised is called ______.", - "questionType": "MCQ", - "options": [ - "oxidising agent", - "reducing agent", - "catalyst", - "reactant" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The decomposition reaction of limestone gives ______.", - "questionType": "MCQ", - "options": [ - "CaO + H₂O", - "CaO + CO₂", - "Ca(OH)₂ + CO₂", - "CaCO₃ + CO₂" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The reaction between an acid and a base to produce salt and water is called ______.", - "questionType": "MCQ", - "options": [ - "combination", - "neutralization", - "decomposition", - "displacement" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The substance that speeds up a chemical reaction but is not consumed is called ______.", - "questionType": "MCQ", - "options": [ - "reactant", - "product", - "catalyst", - "solvent" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which of the following is a combination reaction?", - "questionType": "MCQ", - "options": [ - "2KClO₃ → 2KCl + 3O₂", - "2H₂ + O₂ → 2H₂O", - "Fe + CuSO₄ → FeSO₄ + Cu", - "NaOH + HCl → NaCl + H₂O" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In the reaction CuO + H₂ → Cu + H₂O, the substance that undergoes oxidation is ______.", - "questionType": "MCQ", - "options": [ - "CuO", - "H₂", - "Cu", - "H₂O" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The reaction 2Mg + O₂ → 2MgO is a ______ reaction.", - "questionType": "MCQ", - "options": [ - "Decomposition", - "Displacement", - "Combination", - "Redox" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The factor that affects the rate of a chemical reaction includes ______.", - "questionType": "MCQ", - "options": [ - "atomic mass", - "temperature", - "colour of reactant", - "density" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What type of reaction is: Fe₂O₃ + 2Al → Al₂O₃ + 2Fe?", - "questionType": "MCQ", - "options": [ - "Combination", - "Double displacement", - "Displacement", - "Decomposition" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In which of the following reactions is there no change in oxidation state?", - "questionType": "MCQ", - "options": [ - "CaO + H₂O → Ca(OH)₂", - "2H₂ + O₂ → 2H₂O", - "Fe + CuSO₄ → FeSO₄ + Cu", - "2KClO₃ → 2KCl + 3O₂" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Rancidity of food is an example of ______ reaction.", - "questionType": "MCQ", - "options": [ - "reduction", - "oxidation", - "combination", - "double displacement" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The equation NaOH + HCl → NaCl + H₂O is ______.", - "questionType": "MCQ", - "options": [ - "balanced", - "not balanced", - "needs coefficients", - "impossible" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The balanced form of Mg + O₂ → MgO is ______.", - "questionType": "MCQ", - "options": [ - "Mg + O₂ → MgO", - "2Mg + O₂ → 2MgO", - "Mg + O → MgO", - "Mg₂ + O₂ → 2MgO" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which colour change is observed when lime water is passed through CO₂?", - "questionType": "MCQ", - "options": [ - "Blue to red", - "Colourless to milky white", - "White to blue", - "Red to white" - ], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: A redox reaction takes place during cellular respiration.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Rancidity is an oxidation process.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: If edible oil is kept for a long time, it will get sour.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Substances that can give oxygen to other substances are called reducing agents.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The alternating current is a vibrating current.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The number of atoms of each element must be equal on both sides of a balanced equation.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Reactants : Left side :: Products : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Endothermic reaction : absorbs heat :: Exothermic reaction : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Cooking of food, Ripening of fruit, Milk turned into curd, Transformation of ice into water.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Zinc, Iron, Phosphorus, Sodium.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the balanced equation: CuSO₄(aq) + Fe(s) → ______ + ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Identify exothermic and endothermic: (a) HCl + NaOH → NaCl + H₂O + heat (b) 2KClO₃ → 2KCl + 3O₂ (c) CaO + H₂O → Ca(OH)₂ + Heat", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Potassium permanganate is an oxidizing compound.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Calcination is done in excess of air.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: HCl, NaOH, NaCl, H₂SO₄. (Hint: one is a salt)", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When the gas formed on heating limestone is passed through freshly prepared lime water, the lime water turns milky.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "It is recommended to use an air-tight container for storing oil for a long time.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "It takes time for pieces of Shahabadi tile to disappear in HCl but its powder disappears rapidly.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Always paint door and windows before using their nets.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Ethylene is an unsaturated hydrocarbon.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The colour of iodine disappears in the reaction between vegetable oil and tincture iodine.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Vegetable ghee is formed from the hydrogenation of vegetable oil in presence of nickel catalyst.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The flame appears yellow in the ignition of naphthalene.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In some countries, ethanol is used as an additive to increase the efficiency of petrol.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Adding zinc particles to a solution of copper sulphate makes the blue solution colourless.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A chemical equation must be balanced.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Magnesium burns with a dazzling white flame in air.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The rate of reaction increases with increase in temperature.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Crushing a solid into powder increases the rate of reaction.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A catalyst is used in the industrial production of ammonia.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What are reactants and products? Explain with the help of examples.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State the factors affecting the rate of chemical reaction. Explain any one factor.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a balanced chemical equation? Write the three steps of writing it.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a combination reaction? Give one example with balanced equation.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a decomposition reaction? Give one example with balanced equation.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a displacement reaction? Give one example with balanced equation.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a double displacement reaction? Give one example with balanced equation.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a redox reaction? Give one example.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Classify the following reactions into Exothermic and Endothermic: (a) Mg burned in air forms MgO (b) HCl + NaOH → NaCl + H₂O + Heat (c) 2KClO₃ → 2KCl + 3O₂ (d) CaO + H₂O → Ca(OH)₂ + Heat (e) CaCO₃ → CaO + CO₂", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Balance the equation: NaOH + H₂SO₄ → Na₂SO₄ + H₂O. Write names of reactants and products.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the following reactions with balanced equation: (a) Ammonia reacts with hydrogen chloride. (b) Hydrogen sulphide reacts with sulphur dioxide.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Identify the reactions where reactants undergo oxidation and reduction: (a) 2Ag₂O → 4Ag + O₂ (b) 2Mg + O₂ → 2MgO (c) NiO + H₂ → Ni + H₂O", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Distinguish between oxidation and reduction.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is corrosion? Give one example with chemical equation.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the concept of Roasting and Calcination with examples.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is rancidity? How can we prevent it?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain sodium burns in air with balanced chemical equation.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Ferric oxide is reacted with aluminium. Write the balanced equation. Name the type of reaction.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The reaction between magnesium and dilute HCl --- write balanced equation and identify type of reaction.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What are catalysts? Give a chemical reaction in which a catalyst is used.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the diagram of acetic acid + sodium carbonate experiment and answer: (a) Name the reactants. (b) Which gas comes out as effervescence? (c) Colour change in lime water? (d) Instead of sodium carbonate, which chemical gives same products? (e) Write the use of acetic acid.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "easy", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "NaOH + H₂SO₄ → Na₂SO₄ + H₂O. (a) Write names of reactants and products. (b) List elements. (c) Write number of atoms. (d) Balance with proper coefficient. (e) If oxidation means losing electrons, what is reduction?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write three steps of writing chemical equations with example. Explain the concept of balancing.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is meant by decomposition reaction? Write the chemical reaction of decomposition of sugar on heating.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain: (a) What is corrosion? (b) What is electrolysis? (c) Which changes occur during chemical changes? (d) What is a reaction which involves oxidation and reduction simultaneously? Explain with one example.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the diagram (calcium carbonate + acetic acid → CaO + CO₂) and answer: (a) Write chemical reaction in balanced form. (b) Name the gas coming out. (c) Why do small bubbles appear in lime water? (d) What is the colour change?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Match the columns --- Reactants, Products, Types of chemical reaction: (b) MgH₂ → Mg + H₂ --- Endothermic (c) 2H₂S + SO₂ → 3S + 2H₂O --- Oxidation (d) CaO + H₂O → Ca(OH)₂ + heat --- Exothermic", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the factors affecting the rate of chemical reaction with an example.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain sodium aluminate reacts with water; zinc carbonate is heated in limited air; zinc oxide is treated with carbon --- write balanced equations for each.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the figure showing rusting of iron (corrosion diagram). Write: (a) Which process is shown? (b) Explain the chemical reaction shown. (c) Write reactions on anode and cathode.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the diagram of acetic acid + sodium carbonate experiment and answer: (a) Write chemical reaction in balanced form. (b) Name the gas coming out of the large test tube. (c) Why do small bubbles of lime appear in the small test tube? (d) What is the colour change of lime water?", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Read the following paragraph about corrosion and answer: (a) What are metals? (b) What is corrosion? (c) Which metals are found in free state? (d) What is rust? Write its chemical formula.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "medium", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the following reactions and complete: sodium burns in air; reaction of aluminium with oxygen; magnesium reacts with dil HCl; aluminium reacts with dil hydrochloric acid; iron nail/dust in aqueous solution of copper sulphate. Write balanced equations for all.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "3", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The unit of electrical power is ______.", - "questionType": "MCQ", - "options": [ - "Volt", - "Watt", - "Joule", - "Ampere" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The 'live' and the 'neutral' wires have potential difference of ______.", - "questionType": "MCQ", - "options": [ - "110 V", - "202 V", - "201 V", - "220 V" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In an electric bulb, coil of ______ metal is used.", - "questionType": "MCQ", - "options": [ - "copper", - "Tungsten", - "aluminium", - "iron" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The frequency of AC is ______ Hz.", - "questionType": "MCQ", - "options": [ - "20 Hz", - "50 Hz", - "25 Hz", - "75 Hz" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A coil of alloy ______ is used in electric heater-cooker as a resistor.", - "questionType": "MCQ", - "options": [ - "Stainless steel", - "Nichrome", - "Copper", - "Bronze" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ is used for electrical measurements.", - "questionType": "MCQ", - "options": [ - "Thermometer", - "Galvanometer", - "Voltmeter", - "Electric meter" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The electricity bill specifies the usage in ______.", - "questionType": "MCQ", - "options": [ - "kilowatt", - "Joule", - "Volt", - "Unit (kWh)" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The right hand thumb rule is also called ______ rule.", - "questionType": "MCQ", - "options": [ - "Newton's law", - "Newland's law", - "Mendeleev's periodic law", - "Maxwell's cork-screw" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ is used to make a solenoid type coil in an electric bulb.", - "questionType": "MCQ", - "options": [ - "Nichrome", - "Copper", - "Tungsten", - "Aluminium" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The SI unit of resistance is ______.", - "questionType": "MCQ", - "options": [ - "Volt", - "Ampere", - "Ohm", - "Watt" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When current in the circuit suddenly increases, ______ switches are used.", - "questionType": "MCQ", - "options": [ - "MCA", - "MCC", - "MCD", - "MCB" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which scientist invented the rule of electromagnetic induction?", - "questionType": "MCQ", - "options": [ - "Newton", - "Kepler", - "Mendeleev", - "Michael Faraday" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ device is used to produce electricity.", - "questionType": "MCQ", - "options": [ - "Electric motor", - "Galvanometer", - "Electric generator", - "Voltmeter" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The resistance of the wire is 100 Ω. Current of 1 A for 10 seconds. Heat produced will be ______.", - "questionType": "MCQ", - "options": [ - "10 J", - "10000 J", - "0.1 J", - "1000 J" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Fleming's right hand rule is used to determine the direction of ______ in an electric generator.", - "questionType": "MCQ", - "options": [ - "current", - "force", - "magnetic field", - "voltage" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Fleming's left hand rule is used to determine the direction of ______ in an electric motor.", - "questionType": "MCQ", - "options": [ - "current", - "induced EMF", - "motion/force", - "voltage" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The heating effect of electric current is also known as ______ effect.", - "questionType": "MCQ", - "options": [ - "Faraday's", - "Joule's", - "Ohm's", - "Maxwell's" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "An electric motor converts electrical energy into ______.", - "questionType": "MCQ", - "options": [ - "heat energy", - "light energy", - "mechanical energy", - "chemical energy" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A galvanometer is used to detect ______.", - "questionType": "MCQ", - "options": [ - "voltage", - "small electric current", - "resistance", - "power" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A fuse wire is used to ______.", - "questionType": "MCQ", - "options": [ - "increase current", - "decrease resistance", - "prevent overloading", - "store electricity" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The number of units of electricity consumed by a 1000 W appliance in 2 hours is ______.", - "questionType": "MCQ", - "options": [ - "1 unit", - "2 units", - "500 units", - "0.5 units" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The device that converts mechanical energy into electrical energy is ______.", - "questionType": "MCQ", - "options": [ - "Electric motor", - "Electric generator", - "Transformer", - "Battery" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In a solenoid, the magnetic field produced is similar to that of a ______.", - "questionType": "MCQ", - "options": [ - "circular loop", - "bar magnet", - "horseshoe magnet", - "electromagnet" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Electrical energy is measured in ______.", - "questionType": "MCQ", - "options": [ - "Watt", - "Joule", - "kWh", - "Volt" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The device used to convert alternating current to direct current is ______.", - "questionType": "MCQ", - "options": [ - "Transformer", - "Rectifier", - "Generator", - "Motor" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The heat produced by current I in a conductor of resistance R in time t is ______.", - "questionType": "MCQ", - "options": [ - "IR²t", - "I²Rt", - "IRt", - "I²R²t" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "An electric iron of 1000 W is used for 2 hours. The energy consumed is ______.", - "questionType": "MCQ", - "options": [ - "1 kWh", - "2 kWh", - "500 Wh", - "0.5 kWh" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The principle behind working of electric motor is ______.", - "questionType": "MCQ", - "options": [ - "heating effect of current", - "magnetic effect of current", - "chemical effect of current", - "electromagnetic induction" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The principle behind working of electric generator is ______.", - "questionType": "MCQ", - "options": [ - "heating effect of current", - "magnetic effect of current", - "chemical effect of current", - "electromagnetic induction" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Earthing wire is used to ______.", - "questionType": "MCQ", - "options": [ - "increase current", - "protect from electric shock", - "decrease voltage", - "store electrical energy" - ], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The alternating current is a vibrating current.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Electrical wires and neutral wires have a 220 V potential difference.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Increasing the current passing through the wire decreases the magnetic field intensity.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The frequency of the alternating current is 50 Hz.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Electrochemicals are devices that convert electrical energy into mechanical energy.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The use of galvanometers is for electrical measurements.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Voltmeter, Ammeter, Galvanometer, Electric motor.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Loud speaker, Magnet, Microphone, Electric motor.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Fuse wire, bad conductor, Rubber gloves, Generator.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Boiler, Electric stove, Electric bulb, Electric bell.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Match the column: Direct current : non-oscillatory :: Alternating current : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Tungsten, Nichrome, Aluminium, Iron.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Electric motor : converts electrical energy into mechanical energy :: Electric generator : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Identify the law from the given figure (Right hand thumb rule): Label what the thumb represents and what the fingers represent.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: An electric motor works on the principle of electromagnetic induction.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Tungsten metal is used to make a solenoid type coil in an electric bulb.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "For electric power transmission, copper or aluminium wire is used.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Simple microscope is used for watch repairs.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A coil made up of alloy Nichrome is used in electric heater-cooker as a resistor.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Nowadays MCBs are used in homes to stop the current which suddenly increases.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In practice, the unit of kWh is used for measurement of electrical energy, rather than Joule.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "It is beneficial to carry electrical energy as AC over long distances.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A magnetic needle shows decreasing deviation as distance from a current conductor is increased.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Earthing is important in domestic wiring.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A fuse wire is used as a safety device in electric circuits.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The coil of an electric heater glows but the connecting cord does not.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Electrical energy is transmitted at high voltage over long distances.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Alternating current (AC) is preferred over direct current (DC) for long-distance transmission.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Two wires carrying current in the same direction attract each other.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A short circuit can cause a fire.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is the heating effect of electric current?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a solenoid? Draw a neat diagram and name its various components.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write Fleming's Right Hand Rule and Left Hand Rule.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Distinguish between Direct current and Alternating current.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a short circuit? How does it form? What is its effect?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the use of earthing wire.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is the potential difference?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "How much Volts potential difference between live and neutral wires?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is used to turn off the sudden increase in current in the electrical circuit nowadays?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write two devices based on the heating effect of electric current.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is overloading? When does it occur? How can overloading be avoided?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "An electrical iron of 1100 W is operated for 2 hours daily. What are the electrical expenses for April? (5 Rs per unit)", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Who will spend more electrical energy? 500 W TV Set in 30 mins, or 600 W heater in 20 mins?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is an electric motor? In which appliances do we use it?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Name three appliances based on the heating effect of electric current.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Name three appliances based on the magnetic effect of electric current.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "An electric tungsten bulb is connected at 220 V. Current of 0.45 A flows. What is the power? If kept on for 10 hours, how many units consumed?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write a short note on the galvanometer.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Give one function of each: (a) Communication satellite (b) Earth observation satellite.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the Right hand thumb rule with the help of a diagram.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Identify the figure (electric motor). (a) Which device? (b) On which rule is the working based? (c) Give any two uses.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "easy", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the construction and working of an electric motor with diagram.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the structure and function of an electric generator with diagram.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the application of heating effect of electric current in an electric bulb with diagram.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Draw a neat labelled diagram to show the magnetic effect of electric current.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the figure (Fleming's right hand / left hand rule) and name and explain the concept behind each.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the construction and working of a galvanometer.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Name the following diagrams and explain the concept behind them --- (a) Right hand thumb rule (b) Fleming's right hand rule.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is the importance of fuse wire? Explain its uses.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain magnetic field created by current around a conductor. Draw a neat labelled diagram.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write answers for: (a) Name three appliances based on heating effect. (b) Name three appliances based on magnetic effect. (c) Write Fleming's right hand rule. (d) Write Fleming's left hand rule. (e) Write right hand thumb rule.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "medium", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the diagrams of magnetic effect of electric current and answer: (a) Which effect is shown? (b) What if number of cells is increased? (c) If distance between conductor and needle is increased, what is effect? (d) If ends of cell are interchanged? (e) Name two instruments that work on magnetic effect.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the figure (electric motor/generator) and answer: (a) Which device is shown? (b) Explain the principle on which this device works. (c) Write any three uses of this device.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "4", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The SI unit of heat is ______.", - "questionType": "MCQ", - "options": [ - "Calorie", - "Joule", - "Kcal/kg°C", - "Cal/g°C" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The SI unit of specific heat capacity is ______.", - "questionType": "MCQ", - "options": [ - "Kcal", - "Cal", - "Cal/g°C", - "J/Kg°C" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "1 calorie = ______ joule.", - "questionType": "MCQ", - "options": [ - "4.18", - "4.81", - "3.18", - "4.00" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ apparatus is used to study the anomalous behaviour of water.", - "questionType": "MCQ", - "options": [ - "calorimeter", - "Joule's apparatus", - "Hope's apparatus", - "Thermos flask" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The SI unit of heat is ______.", - "questionType": "MCQ", - "options": [ - "Kcal", - "Cal", - "Joule", - "erg" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "From the options given below, the specific heat of ______ is maximum.", - "questionType": "MCQ", - "options": [ - "copper", - "silver", - "iron", - "mercury" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Ice-ball is prepared from shredded ice. This is the example of ______.", - "questionType": "MCQ", - "options": [ - "melting", - "condensation", - "regelation", - "freezing" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The vapour content in the air is measured by ______.", - "questionType": "MCQ", - "options": [ - "relative humidity", - "dew point", - "absolute humidity", - "none of these" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When the temperature of water decreases below 4°C its volume ______.", - "questionType": "MCQ", - "options": [ - "decreases", - "increases", - "remains same", - "none of these" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The volume of water is maximum at ______.", - "questionType": "MCQ", - "options": [ - "4°C", - "0°C", - "100°C", - "-4°C" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State whether 'The volume of water at 4°C is maximum' is True or False.", - "questionType": "MCQ", - "options": [ - "True", - "False", - "Partially true", - "Cannot be determined" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The density of water is maximum at ______.", - "questionType": "MCQ", - "options": [ - "0°C", - "4°C", - "100°C", - "-4°C" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The temperature at which a substance changes from solid to liquid at constant pressure is called ______.", - "questionType": "MCQ", - "options": [ - "boiling point", - "melting point", - "dew point", - "freezing point" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ heat is necessary to raise 1 kg of water from 14.5°C to 15.5°C.", - "questionType": "MCQ", - "options": [ - "4180 Joule", - "1 KJoule", - "calorie", - "4180 calorie" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Vapours in air condenses to form ______.", - "questionType": "MCQ", - "options": [ - "fog", - "snowfall", - "rainfall", - "b and c" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Humid and dry nature of air depends on the ______.", - "questionType": "MCQ", - "options": [ - "amount of vapor in the air", - "amount of vapor to make the air saturated", - "temperature of the air", - "volume of the air" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The specific heat capacity of water is ______.", - "questionType": "MCQ", - "options": [ - "1 cal/g°C", - "0.5 cal/g°C", - "2 cal/g°C", - "0.1 cal/g°C" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Relative humidity greater than 60% means the air is ______.", - "questionType": "MCQ", - "options": [ - "dry", - "saturated", - "humid", - "supersaturated" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The latent heat of fusion is the heat required to convert ______.", - "questionType": "MCQ", - "options": [ - "gas to liquid", - "liquid to gas", - "solid to liquid at constant temperature", - "liquid to solid" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The latent heat of vaporization is expressed in ______.", - "questionType": "MCQ", - "options": [ - "J/kg", - "cal/g°C", - "J/°C", - "cal/kg" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Regelation is the phenomenon where ice ______.", - "questionType": "MCQ", - "options": [ - "melts due to heat", - "converts to vapour", - "melts under pressure and refreezes on removal of pressure", - "absorbs heat" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The anomalous behaviour of water refers to the fact that water ______.", - "questionType": "MCQ", - "options": [ - "expands on heating", - "contracts below 4°C", - "expands from 0°C to 4°C", - "contracts on cooling at all temperatures" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The unit of absolute humidity is ______.", - "questionType": "MCQ", - "options": [ - "g/m³", - "kg/m³", - "mol/L", - "g/L" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The dew point temperature is the temperature at which ______.", - "questionType": "MCQ", - "options": [ - "water freezes", - "water boils", - "relative humidity becomes 100%", - "relative humidity becomes 60%" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "1 kg of dry air at 40°C can hold a maximum of ______ g of water vapor.", - "questionType": "MCQ", - "options": [ - "49", - "29", - "19", - "59" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When the boiling water is constantly heated, its temperature ______.", - "questionType": "MCQ", - "options": [ - "increases", - "decreases", - "does not change", - "fluctuates" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The principle of heat exchange states that ______.", - "questionType": "MCQ", - "options": [ - "Heat is created", - "Heat lost by hot object = heat gained by cold object", - "Temperature always increases", - "Heat is destroyed" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which method is used to determine specific heat capacity of a substance?", - "questionType": "MCQ", - "options": [ - "Hope's method", - "Joule's method", - "Method of mixtures (calorimeter)", - "Thermometer method" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The specific heat capacity of silver is 0.056 cal/g°C. This means ______.", - "questionType": "MCQ", - "options": [ - "Silver takes more heat than water", - "Silver takes less heat than water to raise temperature", - "Silver does not conduct heat", - "Silver boils at 0.056°C" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "While going in a homologous series, the boiling point ______.", - "questionType": "MCQ", - "options": [ - "decreases", - "increases", - "remains same", - "varies randomly" - ], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The specific heat capacity of water is 1 cal/g°C.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Humidity relative to dew point temperature is 100%.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: All metals have the same specific heat capacity.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The invisible heat of evaporation is called latent heat of vaporization.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Name the behaviour of water between its temperature from 0°C to 4°C.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The unit of absolute humidity is Kg/m³.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Calorimeters are used to measure specific calorific value.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Specific latent heat of vaporisation : J/Kg :: Specific heat : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Relative humidity greater than 60%: saturated air :: relative humidity less than 60% : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: During regelation, ice is converted to water at a temperature of 0°C.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Temperature, Conduction, Convection, Radiation.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: 1 calorie is 4.81 joules.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: cal/g, cal/g°C, Kcal/Kg°C, erg/g°C. (Hint: one is not specific heat unit)", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The dew point temperature does not depend on the amount of vapor in the air.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: While studying anomalous behavior in Hope's apparatus: upper thermometer : 0°C :: lower thermometer : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In cold regions, in winter the pipes for water supply break.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Even if boiling water is constantly heated, its temperature does not rise.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The bottom of some steel utensils used for cooking is copper.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Drops of water can be seen accumulating on the glass of vehicles in the early hours of winter.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Fish can survive even in frozen ponds in cold regions.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Placing a plastic bottle filled with water in the freezer can cause the bottle to explode.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Even the wire moves through the ice slab, the ice slab does not break.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Use a pressure cooker to cook food in cold air.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In cold regions, snow falls in winter.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "During winter season, we may observe a white trail at the back of a flying plane.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The geostationary satellites are not useful for studies of polar regions.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In cold regions in winter, the rocks crack due to anomalous expansion of water.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Drops of water appear on the outer surface of a bottle taken out of the refrigerator.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The specific heat of water is very high, which makes it a good coolant.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When two objects at different temperatures are placed together in an insulated box, they eventually reach the same temperature.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Define boiling point of a liquid.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is meant by regelation?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "How is fog formed?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is dew point temperature?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Define specific heat capacity. Write its S.I. unit.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What does the existence of drops of water on the leaves of a tree in the morning indicate?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which temperature segment is chosen when determining the unit of heat? Why?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "How much heat will be required to raise the temperature of 5 kg of water from 20°C to 100°C? [c = 1 kcal/kg°C]", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the amount of heat needed to raise the temperature of a silver container of mass 100 g by 10°C. (c = 0.056 cal/g°C)", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If water of mass 60 g and temperature 60°C is mixed with water of mass 60 g and temperature 40°C, what will be the maximum temperature of the mixture?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the amount of heat needed to raise the temperature of a piece of iron of mass 500 g by 20°C. (c = 0.110 cal/g°C)", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is latent heat? How will the state of matter transform if latent heat is given off?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the volume-temperature graph of water and answer: (a) Which process does the graph represent? (b) What is the range of temperature responsible for the behaviour?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Name the principle used to measure the specific heat capacity of a substance.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is absolute humidity? Write its unit.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is relative humidity? When is air said to be saturated?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False and give reason: The volume of water at 4°C is maximum.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is the role of anomalous behaviour of water in preserving aquatic life in cold climate?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Draw a neat and labelled diagram of Hope's apparatus.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the Principle of Heat Exchange.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the following temperature-time graph (heating ice to steam). Identify lines AB, BC, CD, D onwards.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "easy", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain how heat capacity of a solid can be determined by the method of mixture (calorimeter).", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Read the passage on Principle of Heat Exchange and answer: (a) Where does heat transfer take place? (b) Which principle? (c) How can this principle be explained in short? (d) For measuring which property is this principle used?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Read the activity (three spheres iron/copper/lead on wax slab) and answer: (a) Which property is determined? (b) Name that property. (c) Explain the Principle of Heat Exchange with the help of this activity.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the given picture (frozen pond with fish) and answer: (a) Which property do you understand? (b) What is the temperature of the water at the surface? (c) What is the temperature below the layer of ice?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Geeta observed white trail at the back of aeroplane in a clear sky. Answer: (i) What is the effect of relative humidity of air surrounding the plane? (ii) What if relative humidity of air surrounding the plane is low? (iii) When the air is dry and humid?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The cold object and hot object are enclosed in one box of heat resistant material. (a) What changes will occur when temperature flows? (b) Which principle can show that energy exchange takes place between two objects only?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "How can you relate the formation of water droplets on the outer surface of a bottle taken out of the refrigerator with formation of dew?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A copper sphere of 100 g mass is heated to 100°C and released in water of mass 195 g at 20°C in a copper calorimeter of mass 50 g. What is the maximum temperature of water? (Specific heat of copper = 0.1 cal/g°C)", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain: (a) Anomalous behaviour of water (b) Latent heat of fusion (c) Specific heat capacity (d) Dew point temperature.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the following temperature-time graph in detail. Write what happens at each stage: solid heating, melting, liquid heating, boiling, vapour.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "medium", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A copper sphere of 100 g mass is heated to raise its temperature to 100°C and released in water of mass 195 g and temperature 20°C in a copper calorimeter. Mass of calorimeter is 50 g. What is maximum temperature of water? (Specific heat of copper = 0.1 cal/g°C)", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Read the passage on principle of heat exchange and answer all five questions about heat transfer, temperature equalization, the principle, and the calorimeter experiment.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "5", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Due to ______ pencil looks bent in water.", - "questionType": "MCQ", - "options": [ - "refraction of light", - "dispersion of light", - "internal reflection of light", - "reflection of light" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "We see the sun even after it goes below the horizon, because ______.", - "questionType": "MCQ", - "options": [ - "refraction of light", - "dispersion of light", - "partial reflection of light", - "reflection of light" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ is the unit of refractive index.", - "questionType": "MCQ", - "options": [ - "cm", - "m", - "degree", - "refractive index has no unit" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "We can see the sun even when it is little below the horizon because of ______.", - "questionType": "MCQ", - "options": [ - "Reflection of light", - "Refraction of light", - "Dispersion of light", - "Absorption of light" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Light changes its direction when going from one transparent medium to another. This is called ______.", - "questionType": "MCQ", - "options": [ - "reflection of light", - "refraction of light", - "dispersion of light", - "absorption of light" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The process of separation of light into its component colours while passing through a medium is called ______.", - "questionType": "MCQ", - "options": [ - "reflection of light", - "refraction of light", - "dispersion of light", - "absorption of light" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The wavelength of red light is ______ nm.", - "questionType": "MCQ", - "options": [ - "400", - "500", - "600", - "700" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ has the highest refractive index.", - "questionType": "MCQ", - "options": [ - "Air", - "Water", - "Glass", - "Diamond" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If the refractive index of air with respect to glass is 2/3, what is the refractive index of glass with respect to air?", - "questionType": "MCQ", - "options": [ - "2/3", - "3/2", - "1/3", - "1/2" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A ray of light strikes the glass slab at an angle 40° with the surface. The angle of incidence will be ______.", - "questionType": "MCQ", - "options": [ - "50°", - "40°", - "60°", - "90°" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The refractive index of diamond is ______.", - "questionType": "MCQ", - "options": [ - "2.42", - "1.54", - "1.36", - "1.50" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "For a particular value of 'i', the value of 'r' becomes equal to 90°. This value of 'i' is called the ______.", - "questionType": "MCQ", - "options": [ - "critical angle", - "angle of deviation", - "angle of refraction", - "angle of emergence" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The refractive index of air is ______.", - "questionType": "MCQ", - "options": [ - "1.0003", - "1.33", - "1.5", - "1.0" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The refractive index of water is ______.", - "questionType": "MCQ", - "options": [ - "1.31", - "1.36", - "1.33", - "1.5" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Snell's law is related to ______.", - "questionType": "MCQ", - "options": [ - "reflection of light", - "refraction of light", - "dispersion of light", - "absorption of light" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The speed of light in a medium with refractive index 1.5 is ______ m/s.", - "questionType": "MCQ", - "options": [ - "3×10⁸", - "2×10⁸", - "1.5×10⁸", - "4.5×10⁸" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When light passes from a denser medium to a rarer medium, it bends ______.", - "questionType": "MCQ", - "options": [ - "towards the normal", - "away from the normal", - "along the normal", - "does not bend" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The colour with maximum deviation in dispersion through a prism is ______.", - "questionType": "MCQ", - "options": [ - "red", - "orange", - "violet", - "yellow" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Light travels fastest in ______.", - "questionType": "MCQ", - "options": [ - "water", - "glass", - "diamond", - "vacuum" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If the refractive index of glass with respect to air is 3/2, the refractive index of air with respect to glass is ______.", - "questionType": "MCQ", - "options": [ - "1/2", - "3", - "1/3", - "2/3" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In the spectrum of white light, which colour has the highest frequency?", - "questionType": "MCQ", - "options": [ - "Red", - "Green", - "Yellow", - "Violet" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In the spectrum of white light, which colour has the lowest frequency?", - "questionType": "MCQ", - "options": [ - "Red", - "Violet", - "Yellow", - "Indigo" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Total internal reflection occurs when light passes from ______.", - "questionType": "MCQ", - "options": [ - "rarer to denser", - "denser to rarer", - "vacuum to air", - "air to water" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Rainbow is formed due to ______.", - "questionType": "MCQ", - "options": [ - "reflection only", - "refraction only", - "dispersion only", - "refraction, dispersion and total internal reflection" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The deviation of violet colour in a prism is ______ than that of red colour.", - "questionType": "MCQ", - "options": [ - "less", - "more", - "equal", - "none" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "n = sin i / sin r. This law is also called ______.", - "questionType": "MCQ", - "options": [ - "Faraday's law", - "Snell's law", - "Ohm's law", - "Newton's law" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The angle of incidence equals the angle of refraction when light passes ______.", - "questionType": "MCQ", - "options": [ - "at 45°", - "at 90°", - "perpendicular to the surface", - "at critical angle" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When the incident ray is parallel to the principal axis, the refracted ray passes through ______.", - "questionType": "MCQ", - "options": [ - "optical centre", - "principal focus", - "centre of curvature", - "infinity" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A mirage is formed due to ______.", - "questionType": "MCQ", - "options": [ - "reflection", - "refraction", - "total internal reflection", - "dispersion" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Scintillation (twinkling) of stars is due to ______.", - "questionType": "MCQ", - "options": [ - "reflection of starlight", - "atmospheric refraction", - "dispersion", - "total internal reflection" - ], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The incident rays and refracting rays are on opposite sides of the normal.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Purple has the lowest refractive index.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The speed of light varies in different media.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Match: Refractive index of water → (a) 1.31, (b) 1.36, (c) 1.33.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Convex lens : converging :: Concave lens : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The speed of light in vacuum is 3×10⁸ m/s.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: A rainbow is the combined effect of refraction, dispersion and total internal reflection of light.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Refractive index of air is 1.0003.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: All light travels at the same speed in all media.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Rainbow, Earthquake, Sunset, Sunrise.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: When the incident ray is parallel to the principal axis, the refracted ray does not pass through the principal focus.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: Nearsightedness : elongated eyeball :: Farsightedness : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Focal length, Radius of curvature, Image distance, Size of Image.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Red light wavelength close to 700 nm :: Violet light wavelength close to : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: 2n1 : Refractive index of medium 1 with respect to medium 2 :: 1n2 : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The sun appears on the western horizon for some time after sunset.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The stars twinkle but we don't see twinkling of planets.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A pencil appears to be broken near the surface of water.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The coin at the bottom of a pot appears when water is poured, even though it was not visible before.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "We see the sun even before it emerges above the horizon.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A rainbow is a combined effect of refraction, dispersion and total internal reflection of light.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The apparent position of stars keep changing a bit.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Violet light bends more than red light in a prism.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A swimming pool appears shallower than it actually is.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Light bends towards the normal when it enters a denser medium from a rarer medium.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Generally, most of the carbon compounds are bad conductors of electricity.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The sky appears blue during the day.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The sun appears red during sunrise and sunset.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Total internal reflection cannot occur when light travels from a rarer medium to a denser medium.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Diamonds sparkle more than glass.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is refraction of light? Explain with the help of an example.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is meant by dispersion of light?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State the laws of refraction of light.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Define refractive index. Write its formula.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Define critical angle.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a spectrum of white light? Write the colours in order.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If the absolute refractive index of water is 1.36, find the speed of light in water. (Speed of light in vacuum = 3×10⁸ m/s)", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If the absolute refractive index of glass and water are 3/2 and 4/3 respectively, what is the refractive index of glass with respect to water?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If the speed of light in a medium is 1.5×10⁸ m/s, what is the absolute refractive index of the medium?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Speed in first medium v1 = 3×10⁸ m/s, speed in second medium = 2×10⁸ m/s. Find ₂n₁.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the given figure of refraction (ray through glass slab) and name: Ray AB, Ray NM, Ray MD, and angle r.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Identify the process shown in the figure (dispersion). State and explain it. Name the colour that deviates most and least. Name one natural phenomenon based on this process.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the given figure (dispersion) and answer: (a) Which colour light bends most? (b) Which colour light bends least? (c) What is the wavelength of violet light?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain why the sun appears reddish early in the morning.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is meant by 'mirage'? In which condition is it seen? Give one more example.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain: why does the sky appear blue?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Draw a neat and labelled diagram for: Dispersion of light through a prism.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the given figure and write appropriate phenomenon of light in the box for three images (total internal reflection, refraction of coin in water, dispersion through prism).", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is total internal reflection? When does it occur?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Identify the wrong figure from the following --- diagram A shows light bending incorrectly, diagram B shows correct bending. Identify wrong one and explain why.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the given diagram (dispersion through glass prism) and answer: (a) Name the process. (b) Name colour that deviates most. (c) Name colour that deviates least. (d) Name one natural phenomenon. (e) Define 'spectrum'.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "easy", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A rainbow is the combined effect of refraction, dispersion and total internal reflection of light. Prove this statement with diagram and explain it.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is refraction of light? Draw the diagram of refraction of light in glass slab. Write the laws of refraction.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the given figure and name the following: Ray AB, Ray NM, Ray MD, angle r, angle i.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is dispersion of light? Explain with the help of a neat labelled diagram. Name the phenomenon in nature based on dispersion.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain: (a) What is refraction? (b) What is dispersion? (c) What is total internal reflection? (d) What is a critical angle? (e) Give one example of each.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the given figure and write appropriate phenomenon of light: (A) total internal reflection in glass block (B) coin appearing in water (C) dispersion through glass prism.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the formation of a rainbow with the help of a neat diagram.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State and explain Snell's law of refraction. How is it used to find the refractive index?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Identify the figure and explain its use: (diagram shows glass prism separating light) --- Name the process, name two colours, write a use of dispersion.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the given diagram and answer: (a) Name the process shown. (b) Which colour deviates most? (c) Which colour deviates least? (d) Name one phenomenon in nature based on this process. (e) Define 'spectrum'.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Identify the phenomenon shown in the figure below. State and explain it: (diagram shows refraction of light going from one medium to another with bending).", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "medium", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the given diagram and answer: (a) State Newton's universal law of gravitation (b) If distance between bodies is tripled, how will gravitational force change? (c) What will happen if mass of one object is doubled? (d) Give the SI unit of G. (e) What is g? Write its value.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "6", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A ray of light gets refracted ______ while entering the lens.", - "questionType": "MCQ", - "options": [ - "once", - "twice", - "thrice", - "doesn't happen" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The point inside the lens through which light rays pass without changing their path is called ______.", - "questionType": "MCQ", - "options": [ - "centre of curvature", - "optical centre", - "principal focus", - "axiom point" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Virtual image is formed if an object is placed ______.", - "questionType": "MCQ", - "options": [ - "at infinity", - "at 2F₁", - "at focus F₁", - "between F₁ and O" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In a convex lens, if object is placed at 2F₁, the image is formed at ______.", - "questionType": "MCQ", - "options": [ - "F₁", - "2F₂", - "beyond 2F₂", - "same side as object" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "For a normal human eye, the near point is at ______.", - "questionType": "MCQ", - "options": [ - "2.1 cm", - "2.5 cm", - "25 cm", - "5 cm" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In a relaxed state, the focal length of healthy eyes is ______.", - "questionType": "MCQ", - "options": [ - "2 cm", - "2.5 cm", - "25 cm", - "5 cm" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In Myopia, the human eye ______.", - "questionType": "MCQ", - "options": [ - "cannot see nearby objects", - "cannot see distant objects clearly", - "cannot see any objects", - "can see all objects" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Bifocal lens is required to correct ______ defect.", - "questionType": "MCQ", - "options": [ - "myopia", - "hypermetropia", - "presbyopia", - "none of these" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ is a combination of two convex lenses with small focal length.", - "questionType": "MCQ", - "options": [ - "simple microscope", - "compound microscope", - "telescope", - "none of these" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In simple microscope ______ lens is used.", - "questionType": "MCQ", - "options": [ - "Concave", - "Plano concave", - "Plano convex", - "Convex" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "For normal human eye, the minimum distance of distinct vision is ______.", - "questionType": "MCQ", - "options": [ - "50 cm", - "75 cm", - "25 cm", - "22 cm" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The type of lens used in a simple microscope is ______.", - "questionType": "MCQ", - "options": [ - "concave", - "cylindrical", - "convex", - "plano-concave" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A small hole of changing diameter at the centre of Iris is called ______.", - "questionType": "MCQ", - "options": [ - "optic nerves", - "cornea", - "optic disc", - "pupil" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The image formed by a concave lens is always ______ and ______.", - "questionType": "MCQ", - "options": [ - "real and inverted", - "virtual and erect", - "real and erect", - "virtual and inverted" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Power of a lens P = ______.", - "questionType": "MCQ", - "options": [ - "1/f", - "f", - "2/f", - "f/2" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A convex lens with focal length 20 cm has power ______.", - "questionType": "MCQ", - "options": [ - "20 D", - "0.05 D", - "5 D", - "0.2 D" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Presbyopia can be corrected using ______.", - "questionType": "MCQ", - "options": [ - "concave lens", - "convex lens", - "bifocal lens", - "cylindrical lens" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The ability of the eye lens to change its focal length is called ______.", - "questionType": "MCQ", - "options": [ - "persistence of vision", - "power of accommodation", - "visual acuity", - "colour blindness" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In hypermetropia, the image is formed ______.", - "questionType": "MCQ", - "options": [ - "in front of the retina", - "behind the retina", - "on the retina", - "on the cornea" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In myopia, the image is formed ______.", - "questionType": "MCQ", - "options": [ - "in front of the retina", - "behind the retina", - "on the retina", - "on the cornea" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The persistence of vision is about ______.", - "questionType": "MCQ", - "options": [ - "1/16 second", - "1 second", - "1/100 second", - "1/60 second" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A person suffering from colour blindness cannot distinguish between ______.", - "questionType": "MCQ", - "options": [ - "black and white", - "red and green", - "blue and yellow", - "dark and light" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The retina in our eyes is made up of ______ and ______ cells.", - "questionType": "MCQ", - "options": [ - "rod and cone", - "nerve and muscle", - "bipolar and unipolar", - "optic and corneal" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Two convex lenses of focal lengths f₁ and f₂ are kept in contact. The power of combination is ______.", - "questionType": "MCQ", - "options": [ - "P₁ × P₂", - "P₁ + P₂", - "P₁ - P₂", - "P₁ / P₂" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A concave lens of focal length 25 cm has power ______.", - "questionType": "MCQ", - "options": [ - "+4 D", - "-4 D", - "+0.25 D", - "-0.25 D" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The size of the image seen by the eye depends on ______.", - "questionType": "MCQ", - "options": [ - "the actual size of the object", - "the distance of the object from the eye", - "the angle held by the object with the eye", - "the colour of the object" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The lens of the eye is ______ when looking at nearby objects.", - "questionType": "MCQ", - "options": [ - "flattened", - "more curved / thicker", - "removed", - "unchanged" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When object is at focus F₁ of convex lens, image is formed at ______.", - "questionType": "MCQ", - "options": [ - "infinity", - "F₂", - "2F₂", - "between F and 2F" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "For object between F₁ and O of convex lens, image is ______.", - "questionType": "MCQ", - "options": [ - "real and inverted", - "virtual, erect and magnified", - "virtual and diminished", - "real and erect" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A compound microscope uses ______ convex lenses.", - "questionType": "MCQ", - "options": [ - "one", - "two", - "three", - "four" - ], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Convex magnifying glass is called divergent magnifying glass.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The lens of the eye is flattened when looking at nearby objects.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: For a healthy human eye, the distant point is at infinite distance.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The image of the object in the human eye is formed on the cornea.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Nearsightedness : Concave lens :: Farsightedness : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Focal length : metre :: Power of lens : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Bifocal lens is used to correct presbyopia.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Simple Microscope, Compound microscope, Telescope, Prism.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Eye lens, Retina, Cerebellum, Cornea.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Object at 2F₁ of a convex lens : Image at 2F₂ :: Object at F₁ : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Simple microscope : Number of convex lens one :: Compound microscope : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Identify the defect of vision shown in the figure (myopia/hypermetropia).", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Nearsightedness : elongated eyeball :: Farsightedness : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Eye piece, Magnifier, Kaleidoscope, Telescope.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Rod-like cells in the eye respond to intensity of light.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A convex lens is called a converging lens.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Nearsightedness can be corrected by using spectacles with concave lens.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Farsightedness can be corrected by using convex lens.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Simple microscope is used for watch repairs.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Adults need bifocal lens spectacles.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Presbyopia effect is more common in people over 40 years of age.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "One can sense colours only in bright light.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "We cannot clearly see an object kept at a distance less than 25 cm from the eye.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A concave lens always forms virtual image.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Due to elongation of eyeball, a person cannot see distant objects clearly.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The movie cannot be enjoyed if the screen is too close to the audience.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The image on the retina is inverted but we see objects as upright.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A lens with a shorter focal length has greater power.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Bifocal lenses have two different powers --- one for near and one for far vision.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Rod cells respond even in faint light while cone cells do not.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The focal length of a convex lens is 20 cm. What is its power?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the power of a convex lens of focal length + 25 cm.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Define optical centre of a lens.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Define principal focus of a lens.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Define focal length of a lens.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Define magnification produced by a lens.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is the minimum distance of distinct vision for a normal human eye?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If two concave lenses of focal length 30 cm are kept in contact, what will be the power of combination?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "5 cm high object is placed at 20 cm from a converging lens of focal length 10 cm. Determine position, size and type of image.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "An object is placed at 20 cm from a convex lens. Height = 5 cm, focal length = 10 cm. Find position, size and nature of image.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Two convex lenses of focal length 30 cm and 10 cm are kept in contact. Find power of combination.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the table for convex lens --- (a) object at infinity: image at? (b) object at 2F₁: image? (c) object between F₁ and O: image?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Draw the image formed by convex lens, if object is placed at 2F₁.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is the power of accommodation of the eye?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the paragraph by choosing the right options (minimum, near point, 25 cm, farthest, farthest distance).", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "An object is placed at a distance of 10 cm, convex lens of focal length 12 cm. Find at what distance the image is placed. State its position and nature.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Kavita's spectacles have power −2.5 dioptre. (a) Which lenses? (b) What defect? (c) Find focal length.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the function of the human eye. Label parts of the figure given (cornea, pupil, iris, lens, retina, optic nerve).", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Name the defect of vision shown in the figure. Draw an accurate labelled diagram to correct this defect.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In the following figure, observe the change in shape of the lens while seeing distant and nearby objects. Complete the figure with correct labelled diagram.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain with a ray diagram the position, size and nature of images formed by convex lens for: (a) infinity (b) beyond 2F₁ (c) at 2F₁ (d) between F₁ and 2F₁ (e) at focus F₁ (f) between F₁ and O.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "easy", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Draw a neat labelled diagram of human eye. (a) Name the type of lens in the eye. (b) Name the screen where maximum refraction occurs. (c) State the nature of the image formed on the retina.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Draw diagram of 'image formed by concave lens'. State the nature of image formed. If focal length of concave lens is 25 cm, find the power.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the compound microscope diagram and answer: (a) Where are such lenses used? (b) What type of image is formed by objective lens? (c) What happens if object is placed between O and Fo?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain: Persistence of vision. How does it enable us to watch movies?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Choose the correct option from the bracket and complete the paragraph about retina (colour blind, actual, conical, light sensitive, rodlike, colours).", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the paragraph --- The minimum distance of an object from a normal eye at which it is clearly visible without stress is called ...... point. For normal human eye, the near point is at ...... cm. The farthest distance is called ......", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the figure showing the defect of vision. Name the defect and draw an accurate labelled diagram to correct this defect.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the construction and working of a simple microscope. Why is it used for watch repairs?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the construction and working of a compound microscope with a neat labelled diagram.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Answer: (a) What is the minimum distance of distinct vision for normal human eye? (b) Identify the defect of vision from the given figure. (c) Focal length of a convex lens is 25 cm --- what is its power? (d) Define power of a lens.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Draw a scientifically correct labelled diagram of a human eye and answer: (a) Name the type of lens in the human eye. (b) Name the screen at which maximum incident light is refracted. (c) State the nature of the image formed on the screen inside the eye.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "medium", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the table for convex lens and complete it --- (a) object at infinity: image at F₂, point, real, inverted (b) object at 2F₁: image at 2F₂, ______, real, inverted (c) object between F₁ and O: same side, very large, ______", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "7", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Bronze is an alloy of ______.", - "questionType": "MCQ", - "options": [ - "copper and tin", - "copper and zinc", - "copper and iron", - "iron and nickel" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ is an alloy made from iron, nickel and chromium.", - "questionType": "MCQ", - "options": [ - "brass", - "bronze", - "stainless steel", - "amalgam" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In electrolytic reduction of alumina, ______ is used as a cathode.", - "questionType": "MCQ", - "options": [ - "sulphur", - "graphite", - "platinum", - "aluminium" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which of the following method is used to prevent greenish layer on brass due to corrosion?", - "questionType": "MCQ", - "options": [ - "electroplating", - "anodization", - "tinning", - "alloying" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Aluminium oxide is ______ oxide.", - "questionType": "MCQ", - "options": [ - "acidic", - "basic", - "neutral", - "amphoteric" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The chemical formula of zinc blend is ______.", - "questionType": "MCQ", - "options": [ - "ZnSO₄", - "ZnS", - "ZnCO₃", - "ZnO" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Corrosion of silver causes a black layer of ______.", - "questionType": "MCQ", - "options": [ - "Silver nitrate", - "silver oxide", - "silver sulphide", - "silver carbonate" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "To prevent corrosion of iron and steel, ______ method is used.", - "questionType": "MCQ", - "options": [ - "electroplating", - "anodization", - "tinning", - "galvanizing" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In ______ process a layer of molten tin is deposited on metals.", - "questionType": "MCQ", - "options": [ - "Anodization", - "Tinning", - "Galvanizing", - "Alloying" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "To prevent rusting, a layer of ______ metal is applied on iron sheets.", - "questionType": "MCQ", - "options": [ - "potassium", - "sodium", - "magnesium", - "zinc" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The minerals from which the metal can be separated economically are called ______.", - "questionType": "MCQ", - "options": [ - "minerals", - "ores", - "gangue", - "alloy" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Bauxite is the ore of ______.", - "questionType": "MCQ", - "options": [ - "copper", - "tin", - "aluminium", - "zinc" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Extraction of moderately reactive elements is done by ______ and ______ method.", - "questionType": "MCQ", - "options": [ - "roasting and calcination", - "roasting and reduction", - "separation and calcination", - "none of these" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Ionic compounds are electrically ______.", - "questionType": "MCQ", - "options": [ - "positively charged", - "negatively charged", - "neutral", - "conductor" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ is good conductor of heat but bad conductor of electricity.", - "questionType": "MCQ", - "options": [ - "graphite", - "diamond", - "coal", - "iodine" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ is the least reactive metal.", - "questionType": "MCQ", - "options": [ - "silver", - "sodium", - "zinc", - "gold" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When one of the metals in an alloy is mercury the alloy is called ______.", - "questionType": "MCQ", - "options": [ - "amalgam", - "sodium amalgam", - "zinc amalgam", - "all the above" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Iron is ______.", - "questionType": "MCQ", - "options": [ - "more reactive than zinc", - "more reactive than aluminium", - "less reactive than copper", - "less reactive than aluminium" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Atomic number of aluminium is ______ and its electronic configuration is ______.", - "questionType": "MCQ", - "options": [ - "13, (2,8,3)", - "12, (2,8,2)", - "13, (3,10)", - "12, (2,10)" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The molecular formula of main ore of aluminium is ______.", - "questionType": "MCQ", - "options": [ - "Al₂O₃", - "Al₂O₃·2H₂O", - "AlF₃", - "Na₃AlF₆" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In electrolytic reduction of alumina, anode is made of ______.", - "questionType": "MCQ", - "options": [ - "copper", - "graphite", - "iron", - "aluminium" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Froth floatation method uses ______ in the process.", - "questionType": "MCQ", - "options": [ - "water only", - "pine oil", - "acid", - "base" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In Wilfley table method, the particles of gangue are separated by ______ separation method.", - "questionType": "MCQ", - "options": [ - "Magnetic", - "Froth floatation", - "Leaching", - "gravitation" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If Cu, Fe, Zn, Al are arranged in increasing order of reactivity, the correct order is ______.", - "questionType": "MCQ", - "options": [ - "Cu, Fe, Zn, Al", - "Al, Cu, Fe, Zn", - "Zn, Al, Cu, Fe", - "Fe, Zn, Al, Cu" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In preparation of Aqua regia, hydrochloric acid and ______ acid are mixed.", - "questionType": "MCQ", - "options": [ - "sulphuric acid", - "nitric acid", - "carbonic acid", - "phosphoric acid" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Anodization is used for prevention of corrosion of ______.", - "questionType": "MCQ", - "options": [ - "iron", - "copper", - "aluminium", - "zinc" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The sound of one metal colliding with another is called ______.", - "questionType": "MCQ", - "options": [ - "good conductors", - "ductility", - "sonority", - "malleability" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ exist in liquid state at room temperature.", - "questionType": "MCQ", - "options": [ - "Chlorine", - "Bromine", - "Iodine", - "Fluorine" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which of the following is the molecular formula of cryolite?", - "questionType": "MCQ", - "options": [ - "CaF₂", - "Na₃AlF₆", - "Al₂O₃", - "Al₂O₃·H₂O" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The process of strongly heating sulphide ores in excess of air to convert them into oxides is called ______.", - "questionType": "MCQ", - "options": [ - "calcination", - "roasting", - "smelting", - "leaching" - ], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Ionic compounds are soluble in kerosene.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Mercury, silver, gold are highly reactive metals.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Diamond is a hard substance.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Diamond is a good conductor of electricity.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Tinning, Alloying, Anodization, Froth floatation.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Zinc coating, Tinning, Electroplating, Calcination.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Copper, Iron, Mercury, Brass.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Brass, Bronze, Phosphorous, Steel.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Bauxite : Aluminium ore :: Cassiterite : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Metal sheets : Malleable :: Electric wires : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: In electrolytic method, a layer of highly active metal is applied to a less active metal.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Zinc sulphide : Roasting :: Zinc carbonate : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Rusting of iron : Fe₂O₃ :: Corrosion of copper : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Pressure cooker : Anodizing :: Silver plated spoons : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Na, K, Cu, Li. (Hint: one is not an alkali metal)", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Sodium is always kept in kerosene.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Pine oil is used in froth formation.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Lemon or tamarind is used for cleaning copper vessels turned greenish.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "On exposure to air, silver articles turn blackish after some time.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Anodization method is useful for prevention of corrosion of aluminium.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Adding zinc particles to a solution of copper sulphate makes the blue solution colourless.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Generally the ionic compounds have high melting points.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Coins are made from metals and alloys.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Most metals do not occur in nature in free state.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Gold and silver are found in free state in nature.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Anodes need to be replaced from time to time during the electrolysis of alumina.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Magnetic separation method is used to separate the magnetic ingredients in the ores.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Cryolite and fluorspar are added in the mixture in electrolytic reduction of alumina.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The process of Bayer's is done before Hall's process in extraction of aluminium.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Electrolysis is used to obtain pure metal from impure metal.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is an alloy? Give two examples of alloy.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the concept of Roasting and Calcination.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Differentiate between Calcination and Roasting.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What are amphoteric oxides? Explain with examples.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the characteristics of Ionic compounds.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is corrosion? Give one example with chemical equation.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is gangue? How is it removed?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is metallurgy? Write the main steps involved.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Classify the following metals based on reactivity: Cu, Zn, Ca, Mg, Fe, Na, Li, Hg → More/Moderately/Less reactive.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "When a copper coin is dipped in silver nitrate solution, it shows a lustre. Explain with chemical equation.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the term anodization with example. Give one use.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the molecular formulas: (a) Cryolite (b) Fluorspar (c) Sodium aluminate (d) Copper pyrite.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain Bayer's process.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Read from the reactivity series. (a) Name two metals which react with water. (b) Name two moderately reactive metals. (c) Which is highly reactive and which is least reactive?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the Froth floatation method briefly.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Electronic configuration of metal A is 2,8,1. Electronic configuration of Metal B is 2,8,8,2. Which metal is more reactive? Explain with reason.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the Hydraulic separation method with a neat labelled diagram.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is electrolysis? Explain with one example.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the anode and cathode reaction during electrolysis of alumina.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Distinguish between Froth floatation and Leaching.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the diagram of Electrolytic reduction of alumina and answer: (a) Name the method. (b) What is anode and cathode? (c) Molecular formula and use of cryolite. (d) Anode reaction. (e) Cathode reaction.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "easy", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain in brief types of extraction of highly reactive, moderately reactive and less reactive metals.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain Bayer's process of concentration of bauxite with chemical equation.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the Froth floatation method with a neat labelled diagram.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is corrosion? Give solutions by giving examples of corrosion.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the Hydraulic separation method with a neat labelled diagram.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "According to reactivity series Zinc is more reactive than Iron. (a) What is reactivity? (b) What happens when iron nails are dipped in silver nitrate? (c) Which type of reaction happens? (d) What if zinc rod is used instead?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the diagram (electrolysis --- silver plating) and answer: (a) Name the method. (b) Explain the method. (c) Give two examples of this method.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the diagram (electrolytic reduction of alumina --- graphite anode/cathode) and answer: (a) Name the method. (b) Write anode reaction and cathode reaction. (c) Why are fluorspar and cryolite added?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Answer the questions on the following passage about metallurgy: (a) What are metals? (b) Which processes are in metallurgy? (c) Which metals are found in free state? (d) In what form are metals found in composite? (e) What is soil impurity?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the figure of Froth floatation and Magnetic separation methods. Name and explain each briefly. Give two examples of each method.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "medium", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain in brief electrolytic reduction of alumina with a neat labelled diagram. Write anode and cathode reactions. Why is cryolite added?", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the difference between Bayer's process and Hall's process. What is the melting point of alumina and how is the melting point reduced? Why do anodes need to be replaced from time to time?", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "8", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The unsaturated hydrocarbons containing a carbon-carbon double bond are called ______.", - "questionType": "MCQ", - "options": [ - "Alkenes", - "Alkanes", - "Alkynes", - "Alcohol" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The unsaturated hydrocarbons whose structures contain a carbon-carbon triple bond are called ______.", - "questionType": "MCQ", - "options": [ - "Alkenes", - "Alkanes", - "Alkynes", - "Alcohol" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The general molecular formula for the homologous series of alkynes is ______.", - "questionType": "MCQ", - "options": [ - "CnH₂n", - "CnH₂n+2", - "CnH₂n-2", - "CnH₂n-1" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "At room temperature ethanol is ______.", - "questionType": "MCQ", - "options": [ - "solid", - "gas", - "plasma", - "liquid" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Generally ______ is called spirit.", - "questionType": "MCQ", - "options": [ - "methanol", - "ethanol", - "propanol", - "butanol" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Number of valence electrons in a carbon atom is ______.", - "questionType": "MCQ", - "options": [ - "4", - "5", - "1", - "3" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ is the functional group of carboxylic acid.", - "questionType": "MCQ", - "options": [ - "---COOH", - "---CO---", - "---CHO", - "---OH" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "From the following, ______ is the cyclic hydrocarbon.", - "questionType": "MCQ", - "options": [ - "isobutane", - "propyne", - "benzene", - "isobutylene" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "______ is one of the combustible components of L.P.G.", - "questionType": "MCQ", - "options": [ - "Methane", - "Ethane", - "Propane", - "Butane" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "While going in increasing order of length, the molecular mass of members rises by ______.", - "questionType": "MCQ", - "options": [ - "14 u", - "15 u", - "16 u", - "17 u" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The melting point of pure ethanoic acid is ______.", - "questionType": "MCQ", - "options": [ - "17°C", - "19°C", - "15°C", - "27°C" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The general molecular formula for alkanes is ______.", - "questionType": "MCQ", - "options": [ - "CnH₂n", - "CnH₂n+2", - "CnH₂n-2", - "CnH₂n-1" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The general molecular formula for alkenes is ______.", - "questionType": "MCQ", - "options": [ - "CnH₂n", - "CnH₂n+2", - "CnH₂n-2", - "CnH₂n-1" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The phenomenon in which compounds have different structural formulae but same molecular formula is called ______.", - "questionType": "MCQ", - "options": [ - "structural isomerism", - "catenation", - "homologous series", - "functional group" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The bond between two oxygen atoms is ______ bond.", - "questionType": "MCQ", - "options": [ - "double", - "triple", - "single", - "none of these" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Ethylene has molecular formula ______.", - "questionType": "MCQ", - "options": [ - "C₂H₂", - "C₂H₄", - "C₂H₆", - "CH₄" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Acetylene has molecular formula ______.", - "questionType": "MCQ", - "options": [ - "C₂H₂", - "C₂H₄", - "C₂H₆", - "CH₄" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "CH₃-COOH is the structural formula of ______.", - "questionType": "MCQ", - "options": [ - "methanol", - "ethanoic acid", - "ethanol", - "propanoic acid" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The functional group of ketone is ______.", - "questionType": "MCQ", - "options": [ - "-OH", - "-CO-", - "-COOH", - "-CHO" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The functional group of aldehyde is ______.", - "questionType": "MCQ", - "options": [ - "-OH", - "-CO-", - "-COOH", - "-CHO" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Benzene has the molecular formula ______.", - "questionType": "MCQ", - "options": [ - "C₆H₆", - "C₆H₁₂", - "C₆H₁₄", - "C₆H₁₀" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In a homologous series, consecutive members differ by ______.", - "questionType": "MCQ", - "options": [ - "CH₂", - "CH₄", - "C₂H₆", - "CH₃" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The process of addition of hydrogen to unsaturated hydrocarbon is called ______.", - "questionType": "MCQ", - "options": [ - "oxidation", - "reduction", - "hydrogenation", - "substitution" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Saponification is the process of ______.", - "questionType": "MCQ", - "options": [ - "making ester from acid and alcohol", - "hydrolysis of ester to make soap", - "oxidation of alcohol", - "reduction of acid" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Esterification is the process of ______.", - "questionType": "MCQ", - "options": [ - "hydrolysis of ester", - "reaction of acid and alcohol to form ester", - "oxidation of ester", - "reduction of acid" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which of the following is a saturated hydrocarbon?", - "questionType": "MCQ", - "options": [ - "C₂H₄", - "C₂H₂", - "C₂H₆", - "C₆H₆" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Catenation is the unique property of ______.", - "questionType": "MCQ", - "options": [ - "nitrogen", - "oxygen", - "carbon", - "hydrogen" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The molecular formula of ethanol is ______.", - "questionType": "MCQ", - "options": [ - "CH₄O", - "C₂H₅OH", - "C₂H₂", - "C₂H₄" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "LPG is mainly composed of ______.", - "questionType": "MCQ", - "options": [ - "methane", - "ethane", - "propane and butane", - "pentane" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The IUPAC name of CH₃-CH₂-OH is ______.", - "questionType": "MCQ", - "options": [ - "methanol", - "ethanol", - "propanol", - "butanol" - ], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Carbon compounds contain only free chains of carbon atoms.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: LPG Butane is a flammable element.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Colorless ethanol is in liquid state at room temperature.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Ethanol is completely soluble in water.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The number of valence electrons of carbon is 4.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: In general, saturated compounds are more reactive than unsaturated compounds.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Benzene is a cyclic unsaturated hydrocarbon.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Ethylene, Styrene, Propylene, Teflon.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Butane, Methane, Benzene, Ozone.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Saturated hydrocarbon : Single bond :: Unsaturated hydrocarbon : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: CH₄, C₂H₆, C₅H₁₂, CaCO₃. (Hint: one is not a hydrocarbon)", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: C₂H₂, C₃H₈, C₂H₆, CH₄. (Hint: one is unsaturated)", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Cyclohexane : Cyclic hydrocarbon :: Isobutylene : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Saturated carbon compounds : blue flame :: Unsaturated carbon compounds : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Kotone : -CO- :: Ester : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Carbon has the property of forming many compounds (catenation).", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Benzene compounds are called aromatic compounds.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Ethylene is an unsaturated hydrocarbon.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Ethanoic acid is also called acetic acid.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Generally the melting and boiling points of carbon compounds are less than 300°C.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The hydrogenation of vegetable oil in presence of nickel catalyst forms Vanaspati-ghee.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The colour of iodine disappears in the reaction between vegetable oil and tincture iodine.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The flame appears yellow in the ignition of naphthalene.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "In some countries, ethanol is used as an additive to increase the efficiency of petrol.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Carbon forms a very large number of compounds compared to other elements.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "LPG is a better fuel than wood or coal.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Saturated hydrocarbons give a blue flame while unsaturated hydrocarbons give a yellow/sooty flame.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Cyclohexane is called a closed chain or cyclic hydrocarbon.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Two carbon atoms can form single, double or triple bonds with each other.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Easter is a sweet-smelling dish.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the molecular formula of the given compounds: 1. Ethylene 2. Benzene 3. Acetic acid 4. Propylene 5. Acetylene 6. Ethyl alcohol 7. Acetone 8. Propene", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State any two uses of ethanol.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What are vinegar and gasohol? What are their uses?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the concept of catenation power.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a functional group? Give two examples with their functional groups.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a homologous series? Give two examples.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the IUPAC names of: (i) CH₃-CH₂-COOH (ii) CH₃-CHOH-CH₃ (iii) CH₃-CO-CH₂-CH₃", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the characteristics of Ethanol.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the characteristics of ethanoic acid.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the concept of heteroatoms with examples.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is structural isomerism? Give one example.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Draw electron dot structure and line structure for: 1. Hydrogen 2. Methane 3. Ethene", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the following reactions with examples: (a) Addition reaction (b) Substitution reaction", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the IUPAC names of the following: (a) CH₃-CH(OH)-CH₃ (b) CH₃-CH₂-CH₂-CH(Cl)-CH₃", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the table with writing IUPAC name: ethylene, acetylene, acetic acid, methyl alcohol, ethyl alcohol, acetaldehyde, acetone, ethyl methyl ketone.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain esterification and saponification with balanced equations.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What are aromatic hydrocarbons? Give one example with electron dot structure.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the homologous series table for Alkenes: Ethene (C₂H₄), Propene (C₃H₆), 1-Butene (C₄H₈), 1-Pentene (C₅H₁₀).", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the given chart with the correct functional group for carbon compounds: Ester, Aldehyde, Ketone, Carboxylic acid, Alcohol, Ether.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the molecular formula of the following compounds: 1. Ethyl ethanoate 2. Sodium ethanoate 3. Sodium ethoxide 4. Stearic acid 5. Oleic acid 6. Palmitic acid", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Define Homologous series. Complete the table for Homologous series of Alkanes (Name, Molecular formula, Condensed Structural formula, No. of carbon atoms, No. of -CH₂- units, Boiling point).", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "easy", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the following table with correct structural formula and molecular formula for: Ethane (C-C), Butane (C-C-C-C), Heptane (C-C-C-C-C-C-C, C₇H₁₆), Octane (C₈H₁₈).", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the following table with writing IUPAC name of carbon compounds: ethylene, acetylene, acetic acid, methyl alcohol, ethyl alcohol, acetaldehyde, acetone, ethyl methyl ketone, ethyl amine, n-propyl chloride.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the structural formula and answer: 1. Write the name of the given hydrocarbon. 2. The given hydrocarbon is included in which type? 3. What kind of compounds with this characteristic structure are called?", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the following chart by using examples --- Straight Chain Hydrocarbons | Branched chain Hydrocarbons | Cyclic Hydrocarbon. Use: isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the following reactions with examples: (a) Addition reaction (b) Substitution reaction (c) Esterification (d) Saponification", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the names of the hydrocarbons for the given structural formulae (propene, cyclohexane, propyne, cyclohexene, isobutylene, benzene, cyclopentane, isobutane).", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the following activity: (Boiling point of ethanol, General name of ethanol, Use of ethanol, Boiling point of ethanoic acid, Melting point of pure ethanoic acid).", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the following table with writing correct structural formula and molecular formula for: C₁ (CH₄, Methane), C₂ (Ethane), C₃ (Propane), C₄ (Butane), C₅ (C₅H₁₂, Pentane), C₆ (Hexane), C₇ (Heptane), C₈ (C₈H₁₈, Octane), C₉ (Nonane), C₁₀ (Decane).", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the characteristics of covalent bond. Write the characteristics of carbon compounds.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Answer the following: (a) Draw the electron-dot structure of Methane. (b) Define Homologous series. (c) Write the IUPAC names of: (i) CH₃-CH₂-COOH (ii) CH₃-CHOH-CH₃ (iii) CH₃-CO-CH₂-CH₃", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "medium", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the structural formula (benzene ring) and answer: 1. Write the name of the given hydrocarbon. 2. The given hydrocarbon is included in which type of hydrocarbon? 3. What kind of compounds with the above characteristic structure are called?", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A rainbow is the combined effect of the refraction, dispersion and total internal reflection of light. Write it into the circle. Also observe the diagram and complete the following activity for Homologous series of Alkanes: complete table upto Decane.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "9", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Due to ______ we can gather information about worldwide events sitting at home.", - "questionType": "MCQ", - "options": [ - "worldwide web", - "internet", - "artificial satellite", - "natural satellite" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The first person to step on the moon is ______.", - "questionType": "MCQ", - "options": [ - "Neil Armstrong", - "Rakesh Sharma", - "Kalpana Chawla", - "Sunita Williams" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The first artificial satellite ______ was sent to space by Soviet Union in 1957.", - "questionType": "MCQ", - "options": [ - "Apollo", - "Chandrayaan", - "Sputnik", - "Luna 2" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If a spacecraft is to be sent to outer space it must have minimum velocity of ______.", - "questionType": "MCQ", - "options": [ - "11.2 km/s", - "11.6 km/s", - "13.2 km/s", - "1.4 m/s" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The astronomical object closest to us is the ______.", - "questionType": "MCQ", - "options": [ - "Moon", - "Mars", - "Saturn", - "Mercury" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "ISRO stands for ______.", - "questionType": "MCQ", - "options": [ - "Indian Space Research Organization", - "International Space Research Organization", - "Indian Satellite Research Organization", - "Indian Space Research Office" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The escape velocity from the earth is approximately ______.", - "questionType": "MCQ", - "options": [ - "11.2 km/s", - "7.9 km/s", - "8.0 km/s", - "3.0 km/s" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which planet did ISRO's Mangalyaan orbit?", - "questionType": "MCQ", - "options": [ - "Jupiter", - "Venus", - "Mars", - "Saturn" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Height of the High Earth orbit from the surface of the earth is ______.", - "questionType": "MCQ", - "options": [ - "= 20,000 km", - "= 27,000 km", - "< 30,780 km", - "> 35,780 km" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The height of Low Earth Orbit satellite above earth's surface is ______.", - "questionType": "MCQ", - "options": [ - "360 km", - "3600 km", - "200-2000 km", - "35780 km" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Chandrayaan-1 was India's ______ mission to the moon.", - "questionType": "MCQ", - "options": [ - "first", - "second", - "third", - "fourth" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A geostationary satellite completes one revolution around earth in ______.", - "questionType": "MCQ", - "options": [ - "12 hours", - "24 hours", - "48 hours", - "6 hours" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "PSLV stands for ______.", - "questionType": "MCQ", - "options": [ - "Polar Satellite Launch Vehicle", - "Powerful Satellite Launch Vehicle", - "Polar Satellite Loading Vehicle", - "Precise Satellite Launch Vehicle" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "GSLV stands for ______.", - "questionType": "MCQ", - "options": [ - "Geosynchronous Satellite Launch Vehicle", - "Global Satellite Launch Vehicle", - "Geostationary Satellite Launch Vehicle", - "Ground Satellite Launch Vehicle" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A satellite is kept in orbit by ______.", - "questionType": "MCQ", - "options": [ - "rockets", - "gravity and orbital velocity", - "solar panels", - "magnetic force" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Communication satellites are placed in ______.", - "questionType": "MCQ", - "options": [ - "Low Earth Orbit", - "Medium Earth Orbit", - "Geostationary Earth Orbit", - "Polar orbit" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The principle behind satellite launch vehicle is based on Newton's ______ law.", - "questionType": "MCQ", - "options": [ - "first", - "second", - "third", - "law of gravitation" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "INSAT satellites are used for ______.", - "questionType": "MCQ", - "options": [ - "remote sensing", - "navigation", - "communication and weather", - "military" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Which satellite is used in the educational field among INSAT and GSAT series?", - "questionType": "MCQ", - "options": [ - "INSAT-1B", - "EDUSAT", - "GSAT-7", - "IRS-1A" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Mangalyaan (Mars Orbiter Mission) was launched by ISRO in ______.", - "questionType": "MCQ", - "options": [ - "November 2013", - "November 2014", - "September 2013", - "September 2014" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The speed of the first Indian satellite Aryabhata was ______.", - "questionType": "MCQ", - "options": [ - "launched in 1975", - "launched in 1980", - "launched in 1970", - "launched in 1985" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "IRNSS stands for ______.", - "questionType": "MCQ", - "options": [ - "Indian Radio Navigation Satellite System", - "Indian Regional Navigation Satellite System", - "International Radio Navigation Satellite System", - "Indian Remote Naving Satellite System" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The escape velocity from the moon is ______ km/s.", - "questionType": "MCQ", - "options": [ - "11.2", - "2.38", - "7.9", - "1.67" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "GPS satellites are placed in ______.", - "questionType": "MCQ", - "options": [ - "Low Earth Orbit", - "Medium Earth Orbit", - "Geostationary Orbit", - "Polar orbit" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Remote sensing satellites are placed in ______.", - "questionType": "MCQ", - "options": [ - "Low Earth Orbit", - "Medium Earth Orbit", - "Geostationary Orbit", - "Sun-synchronous orbit" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Space debris refers to ______.", - "questionType": "MCQ", - "options": [ - "meteorites", - "inactive satellites and rocket parts in orbit", - "comets", - "asteroids" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The orbital velocity of a satellite close to earth's surface is approximately ______.", - "questionType": "MCQ", - "options": [ - "8 km/s", - "11.2 km/s", - "3 km/s", - "1.67 km/s" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "EDUSAT was launched for ______.", - "questionType": "MCQ", - "options": [ - "weather prediction", - "military purposes", - "educational purposes", - "navigation" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A group of students from COEP Pune sent a small satellite ______ through ISRO in 2016.", - "questionType": "MCQ", - "options": [ - "Luna 6", - "Apollo 6", - "Swayam", - "Param" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "IRS satellites are used for ______.", - "questionType": "MCQ", - "options": [ - "communication", - "navigation", - "remote sensing / earth observation", - "weather prediction" - ], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: India is the first country to discover the existence of water on the moon.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The function of a satellite launcher is based on Newton's second law.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The escape velocity on the moon is less than escape velocity on the earth.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Name the first artificial satellite sent by Russia in space.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: A geostationary satellite revolves in 24 hours.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Space debris can be harmful to artificial satellites.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: Communication satellite, Weather satellite, Military satellite, Earthworm.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Find the odd one out: PSLV, GSLV, INSAT, Apollo. (Hint: one is not an Indian launch vehicle)", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: Communication satellite : GEO :: Remote sensing satellite : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the correlation: IRNSS : Navigation :: INSAT : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Mangalyaan entered Mars orbit in 2014.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete: PSLV : Polar Satellite Launch Vehicle :: GSLV : ______.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: The first Indian satellite was Aryabhata launched in 1975.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Chandrayaan-1 discovered water on the moon.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State True or False: Escape velocity depends on the mass of the object being launched.", - "questionType": "obj", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 1, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The velocity at the earth's surface must be greater than the escape velocity of the earth to escape.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Space debris can be harmful to the artificial satellites.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Space missions are very important for human life.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Satellite launch vehicles are used to place satellites in their specific orbits.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The launch vehicles are very costly.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The geostationary satellites are not useful for studies of polar regions.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "India is proud of its Mars mission (Mangalyaan).", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Chandrayaan-1 mission was a great achievement for India.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The escape velocity on the moon is less than that on earth.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The escape velocity does not depend on the mass of the object being launched.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "A satellite in orbit does not need a constant supply of fuel to stay in orbit.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "GPS uses medium earth orbit satellites.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Communication satellites are placed in geostationary orbit.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Remote sensing satellites are placed in Low Earth Orbit.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Debris from old satellites can cause chain reactions of collisions in orbit.", - "questionType": "gr", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is meant by satellite launch vehicle? Name any one Indian satellite launch vehicle.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is meant by space debris? Suggest the ways to manage it.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write functions of Military satellite and Navigational satellite.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is an Artificial satellite? How are they classified depending on their functions?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "easy", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the names of India's satellite series and launchers.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the need and importance of space missions.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a geostationary satellite? Name its orbit height and give two uses.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is Medium Earth Orbit?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is the contribution of India in space technology?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is meant by artificial satellite? Name the first satellite launched by Russia.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the names of India's satellite series and launchers for: (a) INSAT (b) IRS (c) GSAT (d) IRNSS.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the chart showing IRNSS, Weather study & predict, Earth's observation and their satellite names.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is Low Earth Orbit? Which satellites revolve in LEO? Give two examples.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "The orbit of satellite is exactly 35780 km above earth's surface and tangential velocity is 3.08 km/s. How much time to complete one revolution? (R = 6400 km)", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "State whether specific velocity depends on mass of satellite. Explain.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "After the moon, which is the closest celestial object to earth? When did ISRO launch Mars spacecraft? What important information did it get?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is the function of a satellite launcher? Write the external layout of a ISRO satellite launcher.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Bring out the contribution of India's space missions --- write about Aryabhata, Chandrayaan-1 and Mangalyaan.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If the mass of a planet is eight times the mass of the earth and its radius is twice the radius, what will be the escape velocity for that planet?", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Calculate the critical velocity of a satellite to be located at 35780 km above the surface of earth.", - "questionType": "2m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 2, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Read passage about India's Mars mission (ISRO 2013) and answer: (a) After moon, closest celestial object? (b) When did ISRO launch Mars spacecraft? (c) What important information? (d) Explain specific velocity does not depend on mass of satellite.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is a satellite launcher? Explain the external layout of a satellite launcher made by ISRO with diagram.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Complete the chart --- IRNSS: ______ (function): ______ (satellite name) | Weather Study & Predict: ______ | Earth's Observation: ______.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write about all three types of satellite orbits (LEO, MEO, GEO) --- name, height, types of satellites, uses.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the figure of orbits and answer: (a) Name the outer orbit. (b) Which satellites revolve in low earth orbits? (c) Which various orbits are given? (d) Give example of a launch vehicle based on Newton's third law.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain the need and importance of space missions. Write about: (a) Weather prediction (b) Communication (c) Navigation (d) Remote sensing (e) Scientific research.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Explain how India's space programme has developed from Aryabhata to present day. Name key milestones.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "What is meant by space debris? What are its causes? Suggest ways to manage space debris.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "If the mass of a planet is eight times the mass of earth and its radius is twice, what will be the escape velocity? Given escape velocity from earth is 11.2 km/s.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Write the table of satellite series used by India: Type of satellite | Function | Name of satellite series | Launcher used.", - "questionType": "3m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 3, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Answer: (a) What is a satellite? (b) Name the first satellite launched by Soviet Union. (c) Name the first Indian satellite. (d) What is the escape velocity from earth? (e) Bring out any two contributions of India in space technology.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "medium", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Observe the figure of orbits (LEO, MEO, GEO) around earth and answer: (a) Name the outer orbit. (b) Which satellites revolve in LEO? (c) Which various orbits are given in the figure? (d) Give an example of a launch vehicle based on Newton's third law.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - }, - { - "questionText": "Read the following paragraphs about Mangalyaan and answer all questions: (a) After moon, closest celestial object? (b) When did ISRO launch Mars spacecraft? (c) What important information did ISRO's Mars rover get? (d) Explain that specific velocity does not depend on mass of satellite.", - "questionType": "5m", - "options": [], - "answer": "", - "subject": "science1", - "chapter": "10", - "grade": 10, - "difficulty": "hard", - "marks": 5, - "createdBy": null, - "institutionId": null - } -] \ No newline at end of file diff --git a/Backend/app.js b/Backend/app.js deleted file mode 100644 index f1dca05..0000000 --- a/Backend/app.js +++ /dev/null @@ -1,134 +0,0 @@ -const express = require('express') -const Question = require('./modles/Questions') -const app = express() -app.use(express.json()) - - -app.get('/', (req, res) => { - res.json({ - message: 'AutoPaper API is running', - routes: { - questions: { - get: "/api/questions", //gets questions all or specific coz it has filteration - post: "/api/addQuestion", //adds a single question - post: "/api/addQuestions", //adds multiple questions - } - } - }) -}) - -app.get('/api/questions', async (req, res) => { - - try { - const { subject, chapter, questionType, difficulty, grade } = req.query - - const page = parseInt(req.query.page) || 1 - const limit = parseInt(req.query.limit) || 10 - - const skip = (page - 1) * limit; - - const filters = {} - - if (subject) filters.subject = subject - if (chapter) filters.chapter = chapter - if (questionType) filters.questionType = questionType - if (difficulty) filters.difficulty = difficulty - if (grade) filters.grade = parseInt(grade) - - const questions = await Question.find(filters).skip(skip).limit(limit) - res.status(200).json({ - success: true, - count: questions.length, - data: questions, - }) - - } - catch (error) { - res.status(500).json({ - success: false, - message: 'Failed to fetch questions', - error: error.message, - }) - } -}) - -app.post('/api/addQuestion', async (req, res) => { - try { - const { questionText, questionType, options, answer, subject, chapter, grade, difficulty, marks } = req.body - - const question = new Question({ questionText, questionType, options, answer, subject, chapter, grade, difficulty, marks }) - - await question.save() - res.status(201).json(question) - } catch (error) { - res.status(500).json({ - success: false, - message: 'Failed to create question', - error: error.message, - }) - } -}) - -app.post('/api/addQuestions', async (req, res) => { - try { - - await Question.insertMany(req.body) - res.status(201).json({ - success: true, - message: 'Questions added successfully', - data: req.body, - }) - } catch (error) { - res.status(500).json({ - success: false, - message: 'Failed to create question', - error: error.message, - }) - } -}) - -app.put('/api/updateQuestion/:id', async (req, res) => { - try { - const { id } = req.params - - const { questionText, questionType, options, answer, subject, chapter, grade, difficulty, marks } = req.body - - const filters = {} - - if (questionText) filters.questionText = questionText - if (questionType) filters.questionType = questionType - if (options) filters.options = options - if (answer) filters.answer = answer - if (subject) filters.subject = subject - if (chapter) filters.chapter = chapter - if (grade) filters.grade = parseInt(grade) - if (difficulty) filters.difficulty = difficulty - if (marks) filters.marks = parseInt(marks) - - const question = await Question.findByIdAndUpdate(id, filters, { returnDocument: 'after' }) - res.status(200).json(question) - } catch (error) { - res.status(500).json({ - success: false, - message: 'Failed to update question', - error: error.message, - }) - } -}) - -app.delete('/api/deleteQuestion/:id', async (req, res) => { - try { - const { id } = req.params - - const question = await Question.findByIdAndDelete(id) - res.status(200).json(question) - } catch (error) { - res.status(500).json({ - success: false, - message: 'Failed to delete question', - error: error.message, - }) - } -}) - -module.exports = app diff --git a/Backend/functions/generatepaper.js b/Backend/functions/generatepaper.js new file mode 100644 index 0000000..d173f51 --- /dev/null +++ b/Backend/functions/generatepaper.js @@ -0,0 +1,62 @@ +const mongoose = require("mongoose"); +const Question = require("../modles/Questions") +main().catch((err)=>{ + console.log(err) +}) +async function main(){ + mongoose.connect("mongodb://localhost:27017/autopaper") +} + +async function generateqp(){ + cqp = []; + let qp =[]; + let MCQ= await Question.find({questionType:'MCQ',difficulty:'easy'}); + let obj= await Question.find({questionType:'obj'}); + let gr= await Question.find({questionType:'gr'}); + let two= await Question.find({questionType:'2m'}); + let three= await Question.find({questionType:'3m'}); + let five= await Question.find({questionType:'5m'}); + + qp.push("MCQ") + for(let i=0;i<5;i++){ + let l = MCQ.length; + let j= Math.floor(Math.random() * l ); + qp.push(MCQ[j]); + MCQ.splice(j,1); + } + qp.push("OBJ") + for(let i=0;i<5;i++){ + let l = obj.length; + let j= Math.floor(Math.random()* l ); + qp.push(obj[j]); + obj.splice(j,1); + }qp.push("GIVE REASON") + for(let i=0;i<3;i++){ + let l = gr.length; + let j= Math.floor(Math.random()* l ); + qp.push(gr[j]); + gr.splice(j,1); + }qp.push("Answer The Following") + for(let i=0;i<5;i++){ + let l = two.length; + let j= Math.floor(Math.random()* l ); + qp.push(two[j]); + two.splice(j,1); + }qp.push("Answer The Following") + for(let i=0;i<8;i++){ + let l = three.length; + let j= Math.floor(Math.random()* l ); + qp.push(three[j]); + three.splice(j,1); + }qp.push("Answer The Following") + for(let i=0;i<2;i++){ + let l = five.length; + let j= Math.floor(Math.random()* l ); + qp.push(five[j]); + five.splice(j,1); + } + return(qp) +} + +module.exports = generateqp; + diff --git a/Backend/index.js b/Backend/index.js index 218bc4e..b66db02 100644 --- a/Backend/index.js +++ b/Backend/index.js @@ -1,13 +1,22 @@ -const express = require('express') -const Question = require('./modles/Questions') -const app = express() -app.use(express.json()) +const express = require('express'); +const Question = require('./modles/Questions'); +const app = express(); const mongoose = require("mongoose"); -const ejs= require("ejs") -const path = require("path") -app.set("view engine",ejs) -app.set("views",path.join(__dirname,'../Frontend/views/')) +const ejs= require("ejs"); +const path = require("path"); +const ejsMate = require("ejs-mate"); + + +const generateqp = require("./functions/generatepaper.js"); +const home = require("./routes/home.js"); +const about = require("./routes/about.js"); +const contact = require("./routes/contact.js"); +app.engine("ejs", ejsMate); +app.set("view engine","ejs") +app.set("views",path.join(__dirname,'./views/ejs')) +app.use(express.static(path.join(__dirname,'./public/'))); +app.use(express.json()) main().then(()=>{ console.log("connected") @@ -18,65 +27,13 @@ main().then(()=>{ async function main(){ mongoose.connect("mongodb://localhost:27017/autopaper") } -let currentQP = [] - -async function generateqp(){ - let qp =[]; - let MCQ= await Question.find({questionType:'MCQ',difficulty:'easy'}); - let obj= await Question.find({questionType:'obj'}); - let gr= await Question.find({questionType:'gr'}); - let two= await Question.find({questionType:'2m'}); - let three= await Question.find({questionType:'3m'}); - let five= await Question.find({questionType:'5m'}); - - qp.push("MCQ") - for(let i=0;i<5;i++){ - let l = MCQ.length; - let j= Math.floor(Math.random() * l ); - qp.push(MCQ[j]); - MCQ.splice(j,1); - } - qp.push("OBJ") - for(let i=0;i<5;i++){ - let l = obj.length; - let j= Math.floor(Math.random()* l ); - qp.push(obj[j]); - obj.splice(j,1); - }qp.push("GIVE REASON") - for(let i=0;i<3;i++){ - let l = gr.length; - let j= Math.floor(Math.random()* l ); - qp.push(gr[j]); - gr.splice(j,1); - }qp.push("Answer The Following") - for(let i=0;i<5;i++){ - let l = two.length; - let j= Math.floor(Math.random()* l ); - qp.push(two[j]); - two.splice(j,1); - }qp.push("Answer The Following") - for(let i=0;i<8;i++){ - let l = three.length; - let j= Math.floor(Math.random()* l ); - qp.push(three[j]); - three.splice(j,1); - }qp.push("Answer The Following") - for(let i=0;i<2;i++){ - let l = five.length; - let j= Math.floor(Math.random()* l ); - qp.push(five[j]); - five.splice(j,1); - } - return(qp) -} -app.listen(8080,()=>{ - console.log("LOCAL") -}) -let cqp =[]; +app.use("/", home); +app.use("/about", about); +app.use("/contact", contact); -app.get("/",async (req,res)=>{ - cp =[]; +let cqp = []; +app.get("/paper",async (req,res)=>{ let qp = await generateqp() cqp = qp; res.render("index.ejs", { question: qp }) @@ -84,4 +41,7 @@ app.get("/",async (req,res)=>{ app.get("/download", async (req, res)=>{ let qp = cqp; res.render("download.ejs", { question: qp }); +}) +app.listen(8080,()=>{ + console.log("LOCAL") }) \ No newline at end of file diff --git a/Backend/init.js b/Backend/init/init.js similarity index 92% rename from Backend/init.js rename to Backend/init/init.js index c126551..ab8a355 100644 --- a/Backend/init.js +++ b/Backend/init/init.js @@ -1,6 +1,6 @@ const mongoose = require('mongoose'); const fs = require('fs'); -const Question = require('./modles/Questions'); +const Question = require('../modles/Questions'); const data = JSON.parse(fs.readFileSync('./SSC_Science1_Mongoose_v2.json', 'utf-8')); diff --git a/Backend/logo.jpeg b/Backend/logo.jpeg new file mode 100644 index 0000000000000000000000000000000000000000..dc191271f1a9b806c2a3eb2f02544d3ed22c845c GIT binary patch literal 71527 zcmeFa1z1#XyDmO7B8tGEG)jjwNP~*B)X+moGYs90iiiv)El5c>f^;g~;Ls%k(%lXJ zg}?aR-~M)Zu6@pR{?}n(&8)TNS@GWQ6ZiY9S- zni8%sQxHgA9>fd+fv`cCpz9!1V2&PGFhn5$p#k$Kz#j;O^Y8UjI62ukA8_;Yfc|?@TpU~v1Ua|`xj64~aR~A}5ai|p zfiT~q{l!Y~$={;?J%Sli*KMfW2uX)PcKM(%wkL@pWH6WCWk&AJVI0zdP6AKdq8w(5T+BIw( zT<{It>(_Bf2ng}O6r@y?6r|+jcWK!e?o!{UAtz_#W4h15$-~1##ULQU&n3*p&BJxM z6O?P$uHjzCCBAWknCl+-J+9w=U3>=NV_)Wl&`|DyQ1MaF@KG+BKvck4VgT8t%LLP( zFBDWXbPP-^>}xpJ0fEw6K#S4PP|?vaFwlXt5sDY^JqR5igWw+LBTPbN11xGgFxQK) z57;!1i@p#+zHZWT8`{6ThI9K4F$pOhJp&^XGY{_rK7Ii~@h1|JQqnTADynMg8k$;A zBV!X&Gjo`QgQJtPi>sTv?<>F8{%-;h;SrHh(J}90<5E)7(lau%vU7?*m6Vp1S5#It zG&VK2w6?W(Ao~XfhlWQ+$EIgyf6UDSd?i zYmCbK;XI6msy}Wc{y4jT$f_556a|^JPryP8>Y5q*-!R%wAd;J&J?A%&adzBWwWd)CjA#j%bnEy zVq)DtAx*%$EdMkuB|fpuE-*q_`%`aeFMe;X0OEeLIo|a|{S__e_Nu4*L|YZBa)o?+ z+oFv({59Q~S-dme@D96bp9|AnfV_jEd`b%?-9}?JZ!EK{;U)cwEy_O-C5Zk5b?#Ct z!*QAN9R|yylcJD3cu%RW-hxI_S3(i77_Cvt1!!-jvAalJuSJY|qJtyGdrY4?SifAp zXrZz&K5tiKtnjg&u8*J3Y=h##$|w2@kcVE-)(-o3&+cQE)!xKk5B^7Ard@U{lo6Dc zjFHFc(qs!`G#Xg>ns*DIJ~zf;(Z=iBqzOI#CCQ zh{$rY(f(HkM8vBB)Vk{!<~K1}qH~9u)Z9m)tHLZ7pu0z6Q-$JxoW}Miu|G~jG2x$2 z<4^s9%7U1#HG}Ny?ruTGZAw1g%Unb{D{k>NRttyogmao1g*W|(I|}L~TC=ckHTII! z@Y`2CnyWs2iP%w8Ewy}yQEM@1->XHwYL!X~OJqrN2Gq1hQ)u8+!pln|B0j zj8F-Jl~80JVz7dM&r5{`mHhds{17)>HQ;*N7ggMFMcL`S4Y0`2iuP?LJjsY^FP5Gz zJH3`9=E=m@x_~~GDYK%Pg)qU|vLeHn2fa~ZZXVgYydU)CZ^u=M(&r06-oGk;B*D$`SNHvGvnYV^ zz+#}19{TUA3JkAOg z{LWL2lI+#g;?rJ%$QdoMZ@m6l%ZHOUiWXAE4mElWvOJ(wtD(t_{R{A-fOY`}+PzG} z+Wx_!%oKPGlwvV)Vos4jQW00IrPg11aIG|uuCmP2_aJglWf5L|O?@RSi8XPWl}=B@ z(KMLOIf#EZ7?nTK?4xE>Lj$3F&az?q@ToN1Bj7gwfbl1Coa2mebx{aYhr0HsW?m7kf*+2r zqTUoORI5KD`mUUkE!lQP;3sB=UKJ<@Ewkpw8TjfHm_WK`_96u7XGyZV13W`x#t8_r2CivOvI}FG+wNG$;0$x zTca7*+Xt}+_Dj>E$~fz%Nrzfb8`i}(;*_Vm&CXwxQyp~M3i1k3DW84tJ9ng6gyu=> z$z2PRqAmW8lfN$)dh}zkTP;VQ^7Y4N<*dSMI<_Sh7obG;Bh^4Ny9Sy%1KX$W%MQdV|W?sX}%Yg9XG8_`Vkd%{j_XwBmm z%r1?j<`3P_aoQzn>F8S5YQOJBJKSc*@2`TtdMvdg(p457Eb5*2A_ueZ0ahXYP?^Kj zMBeSC%HAJX*#$e2eRq)&ZfA2}sJO%WM>J|9r`^)m(u+rSxSuNC_lk7!c+aEpHAxgW ztl9?q-J){XIxTkK%G8pI0Aq7|6mg}Dgmn*=#&E`9+DK){2qmG2SGO5sVNi>PQ;xu= z725$K99isG46Pu7hiJ6JXcP3iLbc2jDG=VbvStjh&9x;c?Y5$|ORJ)yACeQ$=~IGhBzd26T*7&RPiK;hn@I34g~p6Dz=RIOT&EwXf5r|xNk2v43ZpUs`08^!1-aIR4yW_bk=EjW|TmRWZLz42&LF^96`Gd~ozCE8GR-_9xk7isQqd3F^tlOqN z7%DG7IK%i_kc=O_2@TV8dO0tJk3C{HtVw6)#c6{F5(ij46SOL2+LKI(86_lzs7-Po zY_{7mHxt}(7DmyTD3F)1?#hvo&`oFwPHugcqV?S4rQp7Py4CQ=vyYv4GLLKqj>zR* zps5kJ5i1-xjDHXdf}f=7l31X=&QI5dlX^zS$VA$GSYk ztrTWDvt$LO;zC=&>07~JNo@w^J6@xkB%f@+-9dhMLN2*-t+R$E+CI~ zVf*okvz>Mu-qSiGl6Iutwr^jb|!OAL{sc$$4lNb}Z%V9jIc{B|H{hvVw7cQbt)Q;4m*~4fK*seku*7 z?APx9hFs&y6IG{BI!4IrYF4Sy$y(S=QZf`S-btjae{ewKXgtsK9BBTKnw`AX$QjGE zHzCwP7E;-n1{ox8qMtqS^3S)<$zfCjq4eQw+C|k~p7ngwz)sfYX$%UZ?b`|<*$_(*qvc(3+;P^U z$IP6gR3rkG?H$@h=DD={r!@uFn;V;0vR@D8_j~;RrjWmuT1ILJMSPc(Pu!1=o z`O~lEZBmZ~UwW-{cm0@_i*=`x2%DwDV5Zp9&o%>VbW?s+chjclH3Xl1$AiAoP!$Ek z!QoU2;CI~Fn+JZzwc}3i>8!^&j_enpp@L(^aN;5U0cOU}AX}DipAF6;1rk?}?)MX| zR?b^SBZ`^R8m$A|C&)Yj;50SstCeG+bN<(qf1mw#MQ=H6SdoMjsU|z#IPJ3;%9TKC8-2BuRz0CZG3lPPzPgs~* zLDF;ITF*0HH!4L8XAL6Lo}QWWIjgl)F6q|fwRLy_r+qkrEo~ONveVdI^2PLfFADTx zL+xULw;^{%)X%&qaF`>(%A1FIPl||iC0U7zdcaC|FIgJ#zd9R@xWjiBpk{HWJ*qa1 zsP`8j4EMw`#Z#B1b4f|KsN~c=n~oYm7VRVzdANg=^w)yD_epG%w!Rx3?yT<4VX4ri z+YO9&?t7oU^6Y|7d{(*u#S|Y=Vmbs?@8cg`fWp!x+%tRqE}Q=nf%$9P_$7?!na!wN zfQW7k5BS{EQ@1%KT6RC;+nUNeB96f;6TX>=7~H%7`4#YLXk~P%Ki?jitMxw|e*ZFM zxij)$OEch$2OVEGDa zI2SD)NV#uL1ZIBm9JHk2*C>T|owYfrMUIfAmSFT|dO>Q?U!LJtBe{vzN+~!X%$+L% zgWK3p3wyM`C12R&?eb~(HYB#t(z|W5l@C^tw6@}$+AQC*IokXL=w*FNi6eW!add8h zmZqGEWq|Mpk{IWQV!`CkGkR50KJnme$!)y(M(qo&ER&hu4xdg{GNeE=%wgi99TSNj z9FvnaHrnB_XkC_&hiF2SP*h9hp}mqt9@R@jj4_qVipdn+Ah*el7UCgOZ3@PAVqxK8 zD~3(b1xU~;vxS$7u?C5g;bxxEPW6InsN@Itf(Y7^t()&>$n?b&D{f+a6K^aWP)|4A zWfk)K(;NP5@DER$nWa+}irhz5hC|?A>Zt zD4dAsC|S2`&Ly>dj=zf~=pDkRYZCqN65>#ZCZHcq^f%aLgE_vS6OcIHy5DwkGwm2 z>AeAL^($-jyUZ0NUB{1m1Ic`jf7EwmOw@m)N_do9@+xHh`5nY&Z@^g7@Hd9=rpgnM zWSs2tugex6DhWrXHeDLMfKimBzw+SIVxC$1C&49*2ODu;heQcsF1HBNyIJ#Qlbyf$ zuS}>cxDdQ7O8qW|CH9&%Gkmk@;1f9^Nt+tQi-L~y>SAQ^M`dY)ziAX!^r_(mNG0O} zR5P&Qo3yo-<5QQ^Hh2~xR_5+Ugz1ksg#w0@NOk<3`JmAUY<^4`;c)YV^S!XSiR5en z;(em@LPC}?Dfk8G`t?StT|&i^>H3DUl5S|HX32@#s|Iryq6rl8(0p-uQYL!UEw)-L ze@8c)46=8gMH${Z&P3DYf*JKQlNyHY!uTb1n%T@QdwO%e7RBM<>92@yoqTmrl9dxtzx&A&7AE*D8oarkqRh)xuamMh=@QnOt4f|~ zO59U&+fNY+(I(zcy2U$MBIHH?#WYEo_H`23M4_d}$&hHK&CHqb_3nqu_`bbyNW#!; zEJR5-x7DYDL!a5s>cGX_V09Iah&QH2J7#@}dy8@Vxo3f?Iu@vyN$onT`a8%JImpa< zC~?hJ48l{&8G@Ag>LG5C_RM2Y=zY@d#iyTiI(@7n8imM7t6ASvyC=qc$0MzOqr7TU z7B~`f&z}-diD2Esz%1RR#M|&drf=7322lD7xRq_(TViUgZ3XW%d7O#K)Sp;2>gtkv z#mkHwoU+_zCprw-QS}>#RA9Vz;wxSoV%H?q>u0&lS}hJdiO^?wk6NJw z>eXb{`x1(QV%t0t7a$!BGgs};F_erSqnBAmzT?+*=e=6k%c%`x)sx&fWm;JuOA|X- z1lr+_<$Ef|{T{cApL zqZvNKc2ArQSikOixn?#4(Uj)FIsht2v>jK&L)uKv-mc;2GBcdeDAs2oeu@RJ^}`v(gP8Sym(Qy3OXjqWZFM6-pze?+KGd zkb+T#c1n}YrBPwHNy)79oY+&1G*4B)dkEC8RH@a!iP}uG17d08Cj9)~s3V&8=Q^Xz zgIWxaI2hE^0ulY-GsEN=a!b}m`HQ(*c?(|CUHL*rgz102iH9Hzi1h2}@ zGxz{nSMzPnq#ztBcml>VYDDM$F3Xh*oG7~Zq|NWGF4e`-Djg?mv~iEtX8 zEVj^h0b1n!o(OgdZFYwXGz7HBqzG|DFCL55$jwyex@Lo(*`Y3Ar88O!thyxO`uvbB zzW^14p02=Zlv6T3I%d`d+hCF5p^3&WC0WQ@@a*y)im<#oEEsBR$SGdi3F@44Kbd*6 zE?{Xlb#2CFOEnyKO`6PQ7Fpm40QR;g2`~-3o!k>iALB()e4yQx4u7=P#YH8(G_Ai9 z#prQUl7R|qXGm)|h-}jAT6^4VkVmP9S& z)%i`I!CPIpbrd~kz?Q>+9**R9MfcrF@V-ne)U;W54|4yiy zZwPg{?_=&-;nS(Bz3o1>84Ngex-Go~iXT-0?zH$Szd>TjVDzi%TCH8#C&eRq5Zv6>QvV{N@7_$C1s|rn zwMMDmj^CNYZM!MrgUbADj}88Kt}vuVm*<+14UP1|ocgUffE)E};rTlS^IC22%5U(F z+#l`aN)q2t&5I>1aj$PQA3wikersKloq_*{gPy}oA?k{|$?C90xZZg6ot;?{gY(Tb zNJ6Z{pM)f~iG?Go>9X(Gh>xBU zPV;WIM5{vzJ@~r0*&m&^?GrWr)VayfGmoS*>;VQhQeN|s`BSk1_&HfAd2Cc7(!SU6__Y(xLr z8B8ny^-w{78te464Ui2)0NCy`$6D(=5YC*%Kid7WItc&1aq7!Ucmb04-_G2ZIWZ{= zNF+K(7M%~3gz~A+9z4IPE7qhzvpL(WKT?&s@6|ukGxzbDFwMT0EL_tUDOK@|a^SsG z@@X#j!?F5Fswgszlho~GjI19oNqmN$gr0BvKD;T7<_OX3l%D^)8Y%U1xNjdha9&nj5Bo#9)RZtg8CQ+YDS8z1xq=i$%p#1fi7#nst z4^>0p3yFp%rc5mTmIn?scd>S|*;uXCXSdf4WK;ykR>I;yA>#_g#m*kung*uC zbhmH^b3oZ{=_AW@@^fh_t0#4a3*a)SQ*?Y@nRC&@Jo^UT7I_rIc9h81pqCtv@}f5j zUUq3N-F_d?{F(W`yneJ$dI7>*(xa^knK_j;4t~Ja+Dg*R zvr1o})8}}d{pKid`WqkCB)4y)0{Kw+37F=uLn0u<{6D>TF$&yS!1=@6(a~0ro!#1j z&A`~k(1gv%#){q5z?Pkpje{K|Eaqx!U<5aDylZG;2D27n*r={&xC=8DVbI`}=a9D* zH!+7vyW5+nxGSg{xxi0I9w8bk>g7N1LI?gaurDk7Vc=k4VPfOr;No7#xqkh|O@doDZsOm(e*M<%Tlj=v zA|fJOygS6V!Nde$BJj_8glNDv=or^9Fs^}bT)zSS?bpwGglJEIKNRY#dW4|T|KHam zJX1OEye$&8_ zYzQeK#~o0S4WmC0Qgw))iLhW^p)ru-4K#$ zR=11~vm!34hSuyqboMlRFubke?OL!{-lwB4u(O6{f3ZDhA)<8i$n83YtTYLFz3UqO z*t%z@YI*9GGPR69Iw_ zLK2kepD9B}AGV@CU16{&o0l;zeQf8w4l`GB-aln>jyqdsEzRD1tSl#^iu$z#na>J( z;FoS;1rkMA^k@BVGok+p)66JkgWUju`m-z2fntoY=^3RUbfmHbDh^}XEDtsm&T+ud zrxMyxna56en5(#%9~9%VlPBwY*KA&NByU;OkGQgXlzOQ@L5A^>?k91jdSAtIw}mK! z08Fj;nL4w>%B`xECiVvr$z6TgXeC{O<;coj1Qm%B)f+S@>M@a9?dTKxLyH44KwIEo9IIk(M0FMBenINA8F2fzey}}I+ecTip}^A$b~v0J-s}Sd zO7sv2=XIX-WTuL~3tdMzQEy_f`k1sDdlS<@taz4L9_dJ=rywwSvzegb&u>SWLxGxB z|GVrfjsC^M>k^mcdH&ZYRD7AT1PRdH^ppr5P-RBkwY20%!0zs5l$X-JVsrbB8@Gdp zpdxkLz!+;sC&(LKO=B+PFA!E|i@y0jS8J3e_qtzxa8B0O;PD6E)TavlHE5YU!vxpZ z1f{SS=aZ4cE2haR>+Mu;TQIBKrdM$GmA6 zxfxd6%4#ZpLv8L(kdsDdM`%WKwS>g&MyK{nWA_2ML1SohwAZ$7Olul86Nn8Q?)RsxTzL=(14EHvIG540T1Q-_% zft1pL1Yoe+msQ#RIgtF%EE9rDE=x@PXA^`F=x_REKA$vCI(;0Cma75o_5Qy(&x@vP#$#_^Xjno6jhOz z46muGOY5$a)aNE{C0e2kga#F@Wfh1DXi>R};iEI&OgA zGg5g&-Zbr=;#@c4VhBhf0|3Fovb;0wI9BW{v{EmE*QP}31CDL<`C!^{>5HDbgWY6Xe zp-6h!iU_YZ6+1?=t@u7Rl@{m+A zT4uih)U4jhG@bZ)gl)k!N`H1cRXZr@Q&HoZ5Eik7Mr4&d{Q#{;+lrnywN9A8N@uhn zsdB*}NHtKoPyx0q;To#aWaP)M!o{RPS)v(uQ-r1XP_*%!5N@8KN8qast24Hvc7tKQ>1(&sa~N1k4x}AYN(omqt94J}GSu z!t|8^idrelVw$6&T8SsRT0uCmqN?K< zlxD{4@fE_mD{FcpTkzSQgzty6CCH8`izJsh0o4M&S-ds$ewhcM(?g$6iYE&xYuL+W zH`TOEV>6>w?iU`!R?^q=_Ex0uu=_U%)fE;U>pf~HZnB@T%lW!k9bH;0uCyijf%QDy zdAt4I1fc-hSjy81^dS6Z0m*Lzne%Ii)7R-TsuA&%qbGFCoT)?#amBj6sKF`0DUqy? zkawYW{OM{u>E6%)4u&HC-gx#|T~*FEvmo^cf$;K!S03tPyM<(gY%tAjPOkZ=wD}Xz29f?4i)n2CoE=yos%$qes}@}6zp<`+wYt*|McZLQ)eB8 zA9foO2bMz*b7ar!w5fbGfiP@z>AUg$uFG8_eK|=3@IzREiqb!qF4x3y{}(>^7kj0F zd_{n)=!C4u%uz~I%D$F8CzJU13lHWaaUoy--Yd2|-Hl7muKW<^2HUa~7?ctIr?W{% z<3WkDoq0}Z#W(}3N~4c{8`Osa_<5^TD}Y42Xuih-B9vSfmt;h7f%H2gFYAA&b)({b zt$K@8VhNd)+_3Dw$=y}}Z}}#KJjF|Eck^K+lWM;u#+_uKIh2npOd(s)PNtH{+^@Qn zTLxP>r!Lw&13206H5=5>ngz02KhN|nv)QN%PzcmZNY1plA1&-lqs(5b#r!$7r}W@C zjfJGvk8Q^vHj~ioS<1|*xH%%B@9d@CB8gi(Tk?Gk)l&5i`<}jj27YpcK^idF>y&W&wi!W9c_z|6_CdaG(H)5+e^N@^763^e)-- zIky725{Un&V|g2Q8R8%Qx$no^fWGo<$(95^L$9Wa*_Q`O3N{W+tXN zpKp3UaaBjhg3iaqI*r^T5&px6$aP$OYbe=zk15b$8>k2@!l@NA<~LvI#kzL7W@pD@ zV``N2*+aQRV@6=eLxVep+4;pui&SF?S623b&LGwI>y+QX(-sfwA_Ena^%;J6z5O8N z{vc#PS(=SZ0<8S#5x}h=yECuRqFkul7fU*A=x=!pi6-DBaLgi>h#oVd*2GK5ExL`w zu5<|5qzkx1*kz$RTJs@b2wpxwbmB|K?E65IELDdQh=C7ztUYgg+-|q>tcHLU{;AQAkFO0GGV#LnW03>g6-0 zMB?_LLSDq_mZTzpil?voOf zaHl>|ors=men!8e>4PDXF;lGQV-3GJ(_OAH1t-edQ26~0JCbxY965!&rE_jiPd4P@ zF?y_yRrIvtBFjPpZAD}^cS(4;x^Tog%&2^9ywlofFx35HZdv{HE{CU*CTasYyNlIS z^(Jm=xCP;vGVs9zVj*LrB}L*){5bj2S;|c#WN?X9`WO>7W2*V3UZ*!>AWDp_Ns?7R zO3h1SGBdEL(yta+F5Nz%`Q|Ycx0_`UBt`ICNHrH(gA*DjpGYJlAX5eq@RGT_Rby7h zV_=;5+&0B;N#Zt&gi8{-&kskH3((VUTeT@q{Dl@O=^pq*8}&CU@qsPw!ULSbw&O?A zdzpo@e$q2(ZG|h`n-EzhELrFW9Uv-T{=@tK(yv3A5MI!OU(!NYtgO_?zW>Hp3+Q7c zp-dG5#HU;p9*F}|mIHX33N%3m2o~VAlGo1(5K2tWeW<3v1J&l^53f}rbW5y~F_C{N zgFK)SOxKb@aeNSf1FFaX8z&>zGrj_9APxJ2?*k(=yN54>kakOwURj`SatOpR4WwyC z!IHS;5?nHcwY06P-&M4RWoaB#j{N9N>j~}m#54XZ8=;T?>J|P_ox+wG!ikE+BGfIb z3yJEjxzjM*Viqqh#}=3=1F$}W@Xa&N4p|4Ck34nso=*q8Y4k1KNN;eGaW-U_h{P{<_I{VAo98Br{0w54Gc>jNsbTXrwu{`f*q8cG#37q#`P6`>Dn zAc$=|VyIeL$~%8Zzj_RHAZRYVEdw$uke)k&u@bLgvgr#gLJB`4*q-O7G#Psl3W0YD zE6>X5-+-3ky|!<1 z=1$tKytQ{0iwk+Ea<@X|Mzd%B3E%mEe-nYWtA4ZcS&~}tV=23&aD4@LvlV?++Lvm$ znRj=-bo)pt<>PFr_=+Vu2!A4s9CqZyAI^-W6MzLG6HEKt9)FbylY7|kiyoo=GLKnG zCy-t8H>p>NelG#!eSn15uR{NBJ^~D=*Yi78WH3NC`X$Y+OCmwl*%A+8fbhTwqyl9A zkrw@#9!0sXToqP@R6;8UH0rN}>93zp`=o0i#_r1F{At;@g1!xyhSlbj?yU-XRrg-j zG7pM2QenzsX@h_BESmVZecwWcpSat#wYfLst*bj8wHK{#QMy6&wr$>jxT zEj)J=>h^A3D8z0zO>KNbHs^MHBeI?;L1w^O#l`Z>J%JyB2qFq6DGM%HD~XCNZTdMZ z;uUxPs*q6*#UZ%FHMn*$l%R-)AzH*q|=+h^X zMDY^46@7V6x9WTNqq5Unw}X6^Ba7{!liY$ zdOsWruefxntGq07$N3yehRL#|AB>>cWNo{ANH)$2cZOCF%3B&s&>Lh;)u^)(BuXpej)aapXxs6y)wSz|>&exYr>%W)M@9#4+xS~+2{j9|m)=Y;$-5l%OTfOH+;tbvOHe~h+M{$%C9e4;!+s$}O60si~a4eORv|4sYl z$`E`?AlI~Xo=5_66?y)Cizg(rV3Z96{DDYsx_uqrp?{_;eRo=A)RV&_6@hMt8BXxW zfyqlg{xwzj$)KRcTHH74EsPj{OTGDZwP3KZ@!9f`*^E!~nt00{0;smML6ORH@Lrxi zm8bkbjhknKl=&J_o#vMUU7B(IV6%9+`*26wWAPm^gEm(SVmXawmfmuMK;o4kD!tvc zltlILIxLl4ZJ0qdjA~!sEqqgP#;z-hZ!59SdugDbz6Cg9Kv%BPn4dN2d5OZ?U)(72(>t#`XY+j zUqhIYUK=kr?*neS(Nfn>H$65Q6eXJ*O%=N(ut9+AR7scmmVHD%)kx(Fb$MxJ6lbnJ zbGqF#u_ijWB*Zb{nE7I%uJiCqAm7z0l*E=_Q?X zeQg>{)mesxBDIsFcXx|-_zfFLhQplM+(S4M4H_|VVLw+*96#?G^9s!>2Z^QaN@7MH zfv{@gfD(AU+e~xM5wC#4;`+^&hR+@Ydxmq`hn3O|p2bJK%nj&%lebyE={Ntt6c zNj8Oc-PjJD?DnAWr^fpf@BvZq>Fw&Rymq%NnsJzgJ>KKfeWI_YG>2&P*|elBb$(Wd zu4{_=hqs!&n9NLW1To=q-nYvFF>i9}r~MG-X3jU{wCGF`j8=JWoE+ zXX}g1CegeQzCM@uf$DI75*d(Ie^hsR!?V?9hmk_G^z^LNXPZ;cf2D@zd_hckJ|e_C zc8I^-5JVoKgBN&C-E2fQKJqc#+RxwOFo^zU2Ac)XkpEQQ2S`n&VX)#I*BLy#28gh{ ztt62bOY0u%;{|A?n{}G$ghNn2T_Sub4%Y5slqk>7?tZ3%60Q9Ci?$Y()vGV!I0Zwg z>b!a*;I+C0M(dI}a*d+wrJygFS^Sw8so>Z2OwP!ecqX0ue6UnlrZQwi(~3DSzL+v0 zo5MwAfcytVM$x{7Xr^bok`B#-g!(}l%*Ay2ICSoZY`_^@{qQXy>8-_LIA)3ZoG|zB~ z<6p9DY*xH8{LpTcnejBkNQa;fS1G~M>5C<tY(NKt0K|vwFK57-Ca`v0JOnKc;%%vY5-^|xAPvurXZa9snm3=Jt2#9^& z5E8Y!(4hF@!8elaJys>w?j77btB%&AVfoGBX{*qemf~&}2W(tjQg?^FeQk(ND5V-z zHv=@9R%o_@E_>V9A_zH+UkkU*a+?&jlTL4(;|50saTZ^+ssRKp|a{{A1R|Y zO>1WZdvBSJYPMQuq6Hai%udKhskWLjYqMB*Pk!NNeiuX@r>?>03EM*1yE{~d3lW}< zcPSvD0j-O1Q>OL5qGpdIM>tu%YJhxcjE)n7H%?Fc``>>YU(3WP%Thcf*gOv8J8+WZYdm)ItCGtqzPvzK882E@;X7bQ@yKb*PtMA zN31j&n)$`WlT4eAs#85^?8MXKTRq|4qik7X%SRg9F3vJHe!xoCDohYFp+Y#g#>hl8 zjzz3j7mlz4cR!X43d*+MTHDVEI|OR%`#qU*9WviFlKf-qKDQYrv@}T)sUWwB+>XX;ic>X_<{PxtEzQMT3DAk23Vy=Y2l| z(TW((Io70WirRpa>$fRIm8hUiy;|Ixm~{qP%E<+8ho@e+Re`yB>bk-`M$=OblZrDK zyBxdIDa+UsN?tEe{h&fyAoH(fwLwoBf2tf(+kEZ}Za{GagA9Ku8adOX<{ho}LFZ zOv9dKGxN}Nyj?GW+>BgR$I{G2#(!XlFajz7_ecaDhG-jf>RFB z-R43FOK)ZqS!}J9yQMNg&x ztb;4tvxrxIpRXLEV$O7{ZeI=2p2qv^?8BnIh3=t!FSXoe9=_Y}&dnc-%!agqr=dXlu^iYn@cQM87pVek7$PeRX$a~mw{x3+)>TX+rV zZ#LC|drv(lE{)AbE_(;l^7kEmQ@&N@>5ZfFiqj>mRh8tBnErDos!{%z^}}5; zM^h7?mYR^)#4Gy7R3nArYgr0nq_8u@uAVRCow^NkQ|Oszdws%LYwL^Gg2;7pkKy6` z6QU)dk5&1fPccka#ELciYsAdx2ItFd-zK*Ut8;g(NU}kSrIEsR5d#*S5mviJ+hrUA z-E2Y*dVW6NCrRZW%>pD}&V-+!{fkXQm?xTPBPF~LStnQq^G{Xox84^`BuOXvBJU)8 z0^79^)c6qU@0^+5^)B_Cs0Qm?&-jcbTx*E9|3ubb-EF)701vv0vN=X|bR4k_-a9nA zb9%-%!@|B6&$2Au^>MOS6m4oRUB6b(ABa-5#9Pij{~vMh9oJO5wFw6lQHm%MIz~aH zgLJ8}(R)W)R1^dR1O(|35RnK(iuB%lq<4_sdzD_KgCx`dN%%I;bINnhoOiyN`MvX- zKcYLZ*(vwE%5|-4t-TZLj^l&u9YVp`ZhdrB;XP>JB;_KO_uc6H#3Ch&Sm0_Rb{Q)WtzM$PT zO`g#{RG)#5#{uQ5%cu{t(;dv6Qc9r&ue?nxj78;okb~cvw@v%~F8cT?c>&|Z@_e!3 zoFrw(ebksnqa46PasEpl{@0xRzc_wm1puK4z%kt?1A#LBIO%H{h(29p0jNb>xZcX| z)GIQ0E?FS{OMd^4YlS<5_(TrUW!y)NPfJV6!>l0ItiNLWoY~a*om>>zc4YOct`_A@ zt<$1pdVJWl;#XtQ@SC1WRhS#}d?t;ruim5L<%U39Czo2rd&#Pd?@y8Cx{u$&APCNj ziQGBSdafpHWugr+Cl)GUZ9#hO8@p?W{2IqgPMfOI4*FzEv#EAv$GxFPn@=8f&!$<& zsvnT+7m0?nsBLOi6sV4pdrfWxrYlaS*p&&t%VyePTvyPQzsW7O8T&1lRwnPs8^LN_ z+o8nX3Pi!3=0tb>gn+d>A#|Vv86J(M`WquSt88*LS=wjqHl07AjBEAGIPMWoFBg_2 z4_g_cL?NRIqDK;Rlw&=2@(fJA!vZl+=dKTS52u}T zTJ&&A0POO0LcqlCLwHQ=vkTAx#L(3D0{+&f=&F4uJ6#=_wMgK}w5 zeh>&YFJi4m;;ap?sM_IlO2#KEQJ<4;lnD!W*`GGa8Xo@|@1BKX{k@hpw>tVMeG~actH(4DvbU{eW$RAm zHr%vw@Y8PFPv81diDDDITEGr_@3L!j6t<2bR60Le^;>v)3B=8|G~7>AO5OGRwPIiR z#l{$n)n8JWtgt2J_5LQ5V`M$@t)pl8cK5jG3(<>Yfd;-~b0isrl=4dN06it%?HS~-D|15l)2{5tF} zS`DZ);<*6onD`H3_?#U6+aq?yYGf?=;=#eT*;7nhE2X*3%>?pACGSHS8J^)nep+%j zb~|FOyY;r1`fTR{cdO1WKmS8iuj{I)D>G?PCVqW=S2pTaBi;tw&zI`7w9LS)tCmn3 zADggI!$`0XFhA%BEqgR$ZLzLd_HJV1c4!rA+Vk1OIoDz13@awaCxN+__H*J7vNeom z?+&tA`&X}IS^H{4%~s!#OnuTjo9e=1HKgR9yYRC5n|UC^Oy5ARkj-lju{5wtul=j{ zMU*XF`J@suq)uj8=%o45S)NL@$NGUO#ju#`m3*cGO>m#*%GM|QQt54LDfSB}_lk;; z+3U>K)c5Xz<#`SYAq$_59e^9nJ@GbAau6D)^gAx*lTz|iDMd`qiiU8u4dmYA{%NFl zni|<)@KKjF4gAvEm`g&|;($b_JVB9!f6(Zdub#ss+aq{^Q% znoAq%oUKf1f+kQ&8^!D^93bcH-zc^cpI_g6Sr1;gq7v%`JiTd$RMOWhd%qPUg$_{y z5M-K9=Bn1_#KAoVXV13OETHC7vUt=s1-&%cY5Q!`$?F!+M~O+B<%GxD^%%4C@yYmp zw#b>X5V;2hqBG4VCLNYBeM;ux`c39cZU?9qC(n&SbFs)!s8g3CH-jFJs9SydAUFC! z9=WE1PJw4cxolwG4T0GlxhD)hKE4J7tgCjtA(3J{M-7~FdZn)fCU_H>u`?M@*IdI+7keS7#srI#& zfjwF}-{Ni}V|=dKmUF`;PqEEA)e)F@uZbh7u{u{v7Ps8P@*<;0MXikOjQe`vSGtQ0 zImIUB4C+@!*sAA7aK=oCNTHHE{0XLAEAfD+@=xpeugdM>1r*_ln2gm4X{gKbMkOjfL+4Hp-qB{NUfAZ| zT0KQoW%Rd)~y#lH0KzzEpfVNdy?3jRA@F~7D8bKT7NVb9|fC{6jE^`&VH?i_Td*gt=B zM12Dpm5fUD2ICmMG;0+QvcJfzGmwYS)+YUclqUJ$n4X2or1wfJuNa<;zku38iGSb1 z=eVsek8d(uRr=T@FN&eAJ#~TJ?`Ka~oc_LlZ&!0?`h>)MGVNKroz?796bWqV@ekX+ z)6g@}n+-jDaV>E(-m3|3jv6%ooLoPMrn=P&U%Lr&_&vdjK#$^!YC-Vj-_L=Qd!@Z6 zU{pxsV^VyHDBLgu2i&~sxkb`Gl|bduwfd20@Z#gcI;`j19<{^y*@_Ki?ak$zxnl5X zQM1{oJvQ;s75Mqdhq*j$28X3sNBD{W5=)dtHQBuY+!HW*=={m{I$Vh3luqajltg_R zvsLoEo`7$jP$2>g%fy4%XF0pL4vfi5}~AsC3;M zNxM@!EH%kRvn#F4dN&!z#YEoG zn|^<@EEFI_)@QE_TU6D2d+dK~&Jm6^=zw1%a9bxr>)ug|=-`HdL#u2hZk)-&fl zb&<`w+hMa3u2YsWy&=noa~YA=ky@Wr5v_}sQbCdAbr)CC}PcqpsMhUgw&b>&vxKJMJ&;H0Tvb^CAmb_N4wB zuk{0PKbr(K%IKT5ptgcZv0&)EbsdEPUDnKys$W4CD%g>t9FXqg0;TGrZ($N~TZU$3 z+~21!0d7- zut7H}D$PzSBkqHnTR6C2&&CQEB7EdQX^7F*lDFC7b@h=GIRF^1R)^RBQMaQe^BN>$ zrJxKb_D;Bfy8B;*oqs38)H(rajSwKDA$88k{Pn-sVUt;urEQx`#f4AHPuyFuEBfv^ z*k)+3dTQ+TY4+j^@{TGg4}^AhRQ>tKwe_%JL) zCwoAZuzfP*7I93HbLXQtJ>Htu-?*GoAVwi(Td%|ad7|=(w%enm>Yy5^vT${9TaW= z<8FOVk!Uk5OGM~#N4BW6jEbg*^*@onn){GaU^wJk0i$C9zadYe{HxgKjzLl_FEU=1 z|L(gn-|)j!XR)x3I-@2t3>8zz#9g^h3O>1kUR|IHAkeK_*`%(c8}D8^#zZ;&w()2- z0}p$0WHdj|oMJC1Ri?RP&Tuj|aawj@=*i2e&_gg;ROf72Ei{Hs5WlWv38Q;`%_W13GcIS+iht%SL9C0@wT-&okXw%&cy2Fr)7~lf)Ni zG2%EOwaNdv5o?dO-y)c$Kra#W_oRIVVM*{Zj^=e~CJdto_UjiJ zx!Tb;&o1qw2J}UjA*G~E*|K+C<#lyuJl?+$PF zBZ4#At%H-w?sZOqiv!1B%EZ+P_hgo6>vwT_rs4XnrMr;M42K20h~>veLv}}*b~JW0 z$8udzXQo`4r6J@!cdahJi14>*@9Ttt5|8VC)=L9Ud{dOOFxyZF_Z!4A1Q3S*u$t0X z*wj2QBIWZpZo`IU4db#C1 zWSQyF;$iKmx@^PkS;o^Ad|=sY8I$k$2CS-AIMxw&=!Flns1KVn!+aE=k)VG3OoP{h z7FELgW?^`HsiGqAh5w~dIeOyEkn4;j^9~_g8*w(&!TzB1_*`ZAk)L32>M{d=eHp|FKn8ZE6>bN#w&%OOe`Ru<;G!K2Z?Mk~$R zgw=xON!`CAc=kG#I%n!M#v*jJ5k|MWDsvu_St{m3CBG7g~zy7ng}*lWrth?tj1bF8g#C?vpSN4G=S)`L zh5fXf2d9}-S5!#Pdv4?)!3G67*R@7-e>WjaGs9}~pUEOrhh9V%N&@-30f4D|eg8eN zk5fU{skBxVHj3CEz9$1vt^e4qw(hT9JlR}=awuQOJ?c<7jqk|So$X_1-^Kv ziTbp4AK6<@5r{CpmG;*1c53?eLSu`@HvX^qU%Wsv`(3;~F3MfLW$6c#ogXfNrax!b z=GJMh6QFW=jlxsvyd#pQ8N{C@hLOioOi$d&;&orp!ah(+{PfL)rixQO;uT`6Zi zp@ixW-?xE&6K5VpHchoBNzXI90zQ#lF-O#-TZx<9iZS=U{P8BN%mh96(N47UW6AB1 zx$K!~gB&YKnfg$>qKAyROG!E~o*0V}bY9riU1?PpNfECJ>n?Xve_IhwSzSuut0sG9 z_)|WlKuhd*X2P<%O*@t7R#FLR=c1RcGakszBr(N|2Rs&U<9{A2(2RUDDK5?Ql1|Gi z;A7pVDLbvgEz)S)rLksTa2D?|S@fL~lR7~01EuslWi(~b*Jf^$jXtt;?uQdz8lwG1 zwf6w(Nb1hJh3}(9-}JZzYb@24c0NzSKJ3R7+FNSzPp3a+xLYp-G?i)SVng#piWNIw ze*E}Rj1DsPU0P>R&A5HCG-|SJs(O{@nlzPlb~gBJG6||{&vV1IeQRCn34SU7YnBKj zF{)lk`gOkVv6k_xt}|;0$#Yg-84YWo ztFu+Ptk0qoTyGs}4Q7swv0-4lV(6uqwG5_Rm_vk3atZKLU%sC4Ed)&SGPbKvz0+hh zJ_7t}|4wl6Tgj96C@rid+Htd0n{WH1tSt7s6f-;@JcQ%JGDhwiZ=7uGBoT#;?88*Y zYmA$|Kg!O&{@{n+JQ-g2_JV@ci=ys9$hXy6)w1Sib9rYV)=XsTi_t;Tw^(7hI6Q}gOR5}zyl*~NZXuMFIm!KH$dkOcMc45DNp;Rze7n7tMKB0#KE@OTsQ0P7HJ$@v;A# zp{h?kpiE6D5BoD}Mme(s$?zZYtv}^ce@L`!uI_I<5`K6=a7S_OUgIy1;UXoZ`z6n^ zQ%yoQ8rwAsr^Z^(JR3{x)*vgqxRe7m!Unt}#x@PXZ(xl`{LIRA?tIUkHxba8D{yno7Z6$vS>2k3v}rdw&I|UT*G}O-Wbe-G zJ;SK97wCUlm;@{_J2>MPueRc^W5wr5EZ_uM~p{G}siY6~#2uU2!?EP?+yZ_;)L?+Z%C$pRo3R6ws&o>?TzNy!T4XK;9y9IkDu zDH4};m1LMO5b8BP`jV$oF687H z&&K`t1bLeN&_&BL&=qHm%z%gT8^R%6K?}w#n@7XP^V-&29EPJYA;dxPiGE|LbtAT0 zwl6CaONJ^C7lmH*%aArl1jK&xUIQ#sHeER+UB|HWWhZSy2jRna-+nd*7Ep+a>*p2Au`nq$U}%#g zjXe3J`+a_N7@c@5z#HSBmm66|cgYJLeqfKg$nm{kCjd^dKS#9Q%}l;BQ%(^c+IcQ1 z*uH0T$c+4C^=t_B*<=`pY;o$llZUhmfhfbHxk=h+6A*%OUOS=ae$%F?OF@jzQlOd4 z;LHR$LBm)4l=LDSSN<>ppr>vcAlJ#rY-!GmBtVnK`X6I4;vQU01=PQp=K>0y?Bq+s z*{L5G0eO|?1+M*na$4t7#w$Kb>ghj{FAb_sa!zs*0lIYC41h1zDId}#)>)6J$tD_^ zbOy#&*aB^VR)AVK0yrU=0hhrvlR= zjLmDlR#5Tz`6Z=-!M7FU<1(($1W(xptFp?lNdj$IwLe0I2^nMf*7an3OOUDJLPtM% z_YAbHcFLa>d^@g%!07X0Y{7KzA>&d%i-vbufZ$jZ1l*#)`6H z6zwa!A2KVXfDyY7?$^)fY)-W6(21}rw5nkxm*TQ7q@~yKDB3nlSg^k=m(~*2m3wsO zWtgOgUOy$)jPmNt+Y8gz#3fix$9A)IUJWBZR%aTZ!3Y25C2$q!{ccM@ zep|FZ29F*?l#cxp@8|blcMa)oc7Ib*QF2F6K7IM~#ij50Fecoiq1x-u_U6><9eq2m z${P>W-^V6k40N!eIf7yGpE@;uFOUKih8`#D`}Cy=zr0n#-X3y@WhYcUt4^Q-x*+HX z(v`7&t&`)*7jv`kTQY1oY?^5>OTE2JN6m_sv77AkMU+jR_Gss4=g|8AemUGnlaC1 zeG$;B56j4$ylS&3o3x+pHkQQA#2>)A=Ja`|>M}NmZ?f1^BAab`fA=>D2kikpUNe&{ z*EnU=BoRF8Z;&x$CXC81a~V)-vI2(>bz<4e|{0NMzwPyClu(`1te6Gj5hqg8&)Ti z%7Z)xgjeh*{SKd(V`hS8*#`K==FEIl6hGIh*ST93c=Cw`9nysxP0QU8{y{JaEuPN- zpAv;!-h_z|h9M;)W@6<@EoRKYwg;7;*4gx$`bf?2Ha#s1RpZj{p)cqA1S2nL{aDI4 ztti>@FkWF&cYXAzP5DvAC9*nOR(F) z?b?m4RdpI`>q}PJnYk734vPX7V3(({h&~E`?p)tYZ23N|ZUD(E|j01_~Z4#@adj&bL8sM#0y9tbm zV{s+&dT3qD2tHWvcQK$glGe*{ZPv7@Q(j)?Rk_$t9v)9+-AP85aeuig&DLEwK364C zed~a8Fe|_}OI=J+P<={CBfrp&f6`@=7|k_hZRne>gRq!%ex?LeKD%5xNVvt6t5V%eGK%e++|;fO8SA30N>t_4WoWbB@%Q9|FZL?)7<0z_>|-eU z0X}%&)ZkYxOH%PPORuuQVNX#(`Ea*3vD{qC>h*hBDXISKSAu0bvY%J#ui-9N3@im` zjYXKuU89$u{*3LD!I;f4zqmgDlGXY^N*o_L|BQmnWfC7w>H~0_IfMGpi|rQRJ;uU< z_wSF1Gr1;G5&K#zKtxdGr_oaJd-zCuez0^n8~kY-7$@-u*7BJEBF%ZHA@O%$lau%Y zmSAoL=#u`)XQ*XqUa%VZ*ZA@exjYbS{^Rl8^T7~*#FB7lfbG<_`wvA(;H8LxhyEYX zOL0=!Wm0V5g4nRxbq>-DmGUs(+Wwd`kQLI;$oc5oq6($tG%Qf??ZSgQ&i!Mx79x|$ zmbb3nM`box1uj>h-^p_^-m@V3?mphL^nnMX&bNHBT#KA@)wmA39wn#uZNyj+5b9@X z!AJo`oEEUY<V+$(h4BVb{J?4kPOQD$K=os>YS}%nqL(tQNfzrS zum1{M*FkbaO0`P0RLUzjfsL8^?Za0hAC*!a`FmUwU?HNenVczW(ZviF5~nblDjGx! zM&(;jh?@*)0j;2IhNG_O?3~etG&y=x6SGo4L)+19O|`?(PFyYE-#}6ZVV+iS@?efM zGD>KvAlcm5A;%hPpd;hJkx6#n+x$pAEazBzZuC?CCkJ*BSkZ@nrvK*<;J^1lY@6OI8Ey*_O9J-Q|Lo#C z=ljZ#OKfQHK|dotGm5|&jrYXBg!1f&>tpemNSqee8OXHNvmG*nYN@Qj17d&g&BlgZ zzT;wL&eVFw_Gyy48%D2${AYkpRSLCH4b5nUE5}uNW@Y}ly(h3}(Mysvuqd%q7YaP_$yzN270 zBe-L#&^YH4IZO9RMnzvPPLu7eKEsuLlvOZkByorWaf5uPBZ(R}_8ZC^ymuP&2sdQk#3Gc% z4O$@%&t}yA*r$r>Ts|bj#}47KE16Drf}C1ytdE!sEZjs9Oro0$=3RyEx@?)LC~2Mb z+{%>%GoOKh4ImHB7Op(uOv@mKRJt?5q7tpCq$uRvNt-qNCM#Na*5bNtY}|>uJ6Nv7SK#bVUCJE3KdF=-g|Uj*IpLj|yV|=>ao}Jl4 zfJ@Sf{P#q0mWdpo!++-ee_OCyfWsyQ#wP)Y z9avP~zj@K`{}-0?e|70Ev^H2B0%2Bc8b1636=S{)Q}rH!>~b2z$K8(;Wk<2^Y2h8s zzmT){#R+mrVoKFv2%g3MN-{2S?O`Hu9gAmv;mY?#AM3_-`&a!M8(HY*p`+iEqM!WO zX7!mgXw=!X6rsYLs3zlWeUt_Uzx24S%=2&`@WlCXUwq_fbQzFq+;_uyuMwNXlUxYb zo@y37XfmFXAMU|%-|7_IM>Rr!&hX0i7GOWg96`L9^nY=T)k$B48MA1~lh17QUl8y6 z{!@nEy>NFe#BzRaYY+N)RtDB`U0TfMQ^?3Kx|8vd6LlnzY_b<*R6nGq;1&Ssl~pJ% z>1mZ2q@suu)4(U?7x>eBe1pJqPRHY-eGU?3cJ4!^?)*NbN1H$grfFuK%}sh>Sc)Wq zSFH&F=;Sjs0T1(6`?z?H_bvkV`PUzkoOfaU=OF<9dg5RI=)d*YHER0_d@-yPvX6m@ zbPiMPu^Ddy@X`joD*e_t;V%#zCt#*~jdQ!aX8GQLtX$imEy<2%dj!ax+(Vjf z{=%62E^=5=)McC+xqH3IIKwea@l|xux>+V|Vr|c6bJI?YFRqLgSK6DJWCj#rl@O+> zv5GXotl1pjcNBZSRJk6llu1Jurgmtoxn5-%m+lF+cU>hNE0u-dWJl|7TZcAUl6%Fy z?-wKm8T?GTDhpnRQ@uMt46%DeLZo|yejcLWyq%lo8NKYUk7Vhfi`ERPERy!IdFvCa zve!MyhH;d3QSY@1X0w0XV59hWVo~>smB%kpL7C>JkUEJ#!uo<$?z_=2Xi|}D z*ThC)nVV_RdDtAz%U@&yhSc5NxKar)u3}ME$&a?vr_@t@n*gJXJGajBF%HBFKnT6{ zFXkD}8tHrPjW7HS?*A(j{qLOE|HbFh!iSk&^$f%9`3HN}27_myGK21gIw?ZUcrRvr z!9)+3XTsplc2rLVLq|dMm6YVbnAJ)D`{i^ZlL)tqZzE;$UKd&fYulT17*|iKK3gf) zbI_=cm{v7T&K@T%^Vm=6zA=<_(=g;m7By|0zU`YaOpucJiH-xa;jbj+pEem~cb(Zt zdifATiZnOzdBd{QILZ<4+olT6uEj>{-0x}MK7?nuKuOL(7C*~AeKEjr*E(=@8Hoc; zS);U)ruA|5%(R2NTJnIdi^QwmAXH+qkj<`rnOUxl3@Jtj+Tkx2s^yr+3pZA~KV2W| zq_DncNEJPHa&I3PSNfss=sUoM{z4Q(!8zK_fb43f$OTC3%8G)4<;&F60iGo5pRezq zS@CmV75~ghfHnO)PXjDmdPi~|IWS8>ZSpnwB}xEE(*K`;#sB8NA)22nGl#cIWm28E zqT<8q1MzvrggcU&XP_)Un1sTf!Gh=C*Y-CR(4MR-^HglZWZ24S8+H>}`aE>~spRN@ zVHa1UXilZ027RH8R#IQwtsn#Mn~4>YT&!8L5tV|4imlR?33L2V#u;>gkF&;2>p;ur zwh%@LT0cd%KEH9#AyVm&O1NsPbj9c4a`_u?5^QcL!MrM+_F_Vp^X8ruSd1$+f?^ zToOaB8h|7Cf9Guf07&7^Ou*2M?UB+huYb64&oj`e0ZaAWuh8}R@xHIICy>M9ul(Vu zsQfKB_i-PWFJPvc!#x?h(B%6M;Z49on)e)L?2$Ye<}UQ`vgYEyXp^+s>gj1@|9GpO z@3CfFSH*3&yH)sP=Bfhv=OdmEJ^9{sOBDWs?)6@QBzQD5&HeP=*iIdh)_mfCta+Vv z9DA}=!rQV0PGMr}Z?~jZ%?(emLaArP;e@b{^E{u7q&NpA5Ba_NP57S(=dY&I(G>Dr;g)YBhdA46tz>4^)LCL5l1@8;g8FD!;$?yC&A5wG4q zJB0xap65_m88bk9^=QVe8 zF_#svkUrVee9YMa)*_2F5!*;q$4HNmdR!|`2MiIZ_&JNd~Ur}O;Kr$ zmCMlRS8-eZ4RM{nm3@HJ6c{J?H?DvJ@Pp@*F0T9oQt;oEW1xvsV^X{Dy^3ZMDD8d# zI0gRU2dy0$nE>H%e)50IgDdr6yENY8M7v@}^jHQHzL@o;^bGXnCcp1^i+jX1g`B=X zMw9P)niC+3v9AHLZ8}M;22ewBD%i40r9051g|mkRdEYln}nw2PXh{={JmvR?WoTx!>!dx02md)V9r2`tos<3Ea1%SL#j#-=LtN(>rX>FP#s`= ziYyySgKh(MbePysYS8j+eTh|0_?7LBlLQ$8iujGEzC9CuyQnZ z$XM%2ykEuJaG8dm;DZEn_O3}uHvX5{z2X@kL*a^Q2@&({8>%3*YiWD?K}J&bO&d&8mZ!y2mCn%5iv_e(bMDX2DV1TObLQ9Q#h^6?mnF7daU+=swnj4EXR7e0x<2zQ+%wjR%sqWWnGbB_WPuXDG)(H-18yc z+j)45^6A8kR36~e6`%hR0{&ia?mf~NYG5XaiS2wz6oejtfkvo-yhFkI^%H}ofHw1* z#fC5a_$R-i`;r^Yzx!0>JC*MmVr4YcH9zY>yKzPY#e+D87%oN`m$Edku$xU&*6N7y<0l--{a_++3 zeNY+$)CXrk{nYjt&lPa^9-G{-cgq!!*O3e*;Uhy{O`8;Nc^RC6E)GL59OoV->x&>T z2D2MxJ>CiV4)KvznwNpJDJ{wXWu?bqi;ELY6^Gl`zj9aJv1`vp6>NUWJDO6+P{suU zT_!wintuTy#D&=|>rs}3=mvtX4Msu#4D>Z)9Pa|hlQr0ghF2)mL-(6B@E6AyBLPo$ zn+J8Wbp|>CJ8Nz@jIZfsDIAS&s%0q+`-BfI7hbnF!>%CJSbN~Vz=f$*NuM6u zH>1dqC;mq8wT!~p+8jIg!JmM;`Ii_@3}9kD8nPw;JTUU_g4rwRtKrdlOS_g6 zGTbD#05jg2L@#>0QUjYej~dUQ**w3~76HLkkLQW;5B_tnvQsG_hlmz>%&C zxX-|oi!-mJFF}DLv$3NC!YLb}jf~3@3Eo|jwj3)LB;$52stSF~UOIGpt&@RmpXMju ztAH5u*8%w-P?i2Xsy;1&t zMyqFGNEi77Q>}zlY@MXLt5;Z^$U;z|1NuU~RwahI5k?AIE(_|p?q-SaX2iw@`q?{u z?|kWtsgT;H@4oqKv}>eS^{F{r-s^KXd!0hReW4F@~=dnI7tpE4%dzRV=~HnOYsfwxfZ)TWU_Yp2QUITw4walkrMIV224;3ZaYPm=wUorr>y@ zyshfJ4NukmHQZ(3tLqp6{sD1`A(esYt2LMA9lc|+{z}1U+wK24%5+Pt^@xWDgOuc0 z%N=m*uZcryUDn(Kfh$@;_iw-u?oqgpcJNI=owKHQs?W zbTbdWrZ@gLr~NaJ&LXgfl6J^m$wCe~321`zh(l6I17+J>0D&HIKv4#KJ1V9uPIFZ9 zb41v;?pEb%tncu9U8BlHZfkylFcLB%q*;&Ha!(>kR7??ZbKwSO0RYI%}Ai3Uz z*daJqzjqck_scNNCpGdpEd>OIs|<}aTQT&GF8LMT-cUphz&`<#uPU1RL5<|Snfx`` z*~f+UglF)18Se2dB>MO8j|P%`9UATm_m3}rFRFU>7=OL858nRPs-5;`pKDm@?khvA zj@;1F70dLANzS!f=pL*#Bo;=$?Ix{e;58 zQ4sahQrBg4>*>3&;T0qSD~hpf6Zq-Z)<9~<9(LHXQ7wd@QEpXHsKBQL`N8tbNO~ja zB6lA;P&hrjHHqn{i9o6{4uN9@6Toa3s*pN^std>r?~jB=*v0-&(&FO5qEb#b({h3% zeHyzO@mts1Y(_Kjq4i*m#fJsrAGiIx$}x;Jm*2Y|d-04H6tI@~-}a&9)Fe?H0OgWC zli^;~iAKCL5q$|H)J_Qx0pkR)3}>7C5KS<4w(k6d+eV;WaQeK{aJep;wzP z5K;h>1%9GuWgoJ#=-ocf(UqZOFh? z=yhpT_{ME0;gb!Dsz!omE5r-|=yX4y?hvjNLl=WF=kE;*-+ziK=2=2v?+yX?!Jt~) z+stk~1EuzQeKGSS+;xBFeNLplwEhFy>%3?DyIxeQSID^iPO)UVVn)owJV+`Qg>Jzl0!VhQeKp9zM%Ml;|xzO|Ns72`rd|WeztWLWa zgUnSqd45NjSXN_o=L` zx;Cq7qaf5kyWUh>y}H)fQpGh^UvJ})?^`JMu`KYRS3f4lq`}EIjlUrhQiX>JBrq-4 z%B7~*L15{*8upD17DrcPe>y&35E6gBxnGFT(yr^_QP-NlUxZ<~Nd0QC#xNW$gutJU zB#=qWXT8!{KwjhGVAx$~Cj_DTS<(jJb36nvdo{9Dp$Wf$gUwdY-fVc|gZi86vB9GeCw4Wf#$AI-#Xm1kr~CDtfvivTv1gzZ6Zp6oLB4^u z_Ss|CJfj7N!=Knm=xRzK;;puOv|e0rzPCRWmh*ixFoWS9-W5KT3dg)VI0O0mdy1MP zi#8GP$x;}ByFsiR2}~2Lmy;Ad9`_kPO)WnZl)#rFC(l5XSl_8uMsP^MYi47!MZ8TN(mF|4d1tRW?{+chjvov$-le}g zf79557|w_F)Z~%;lh9)GjmxMu2+O)g3U=7+`!|) zz^A7ZRVlpSKT!jC@)jfez|sl({hAI`0Xu`z^JiT)eeotw*N0;x)EI$~HfE9XNB&O} zcaCa+IRM&Y2Q|>E>*7X{DfcRh%OBq2 z8t|=k=r`{NcCtx11?!DU)=s)P9b3q;4q$bV{*Kq^+QcNJohsqV`=(SaM(+dPVRuS_ zx3cx?wB*55#Q35kn$im}oQuCP2djrG6$@6sP4g44J6%+F1P9Ev>aIKHr93KIw(wex zMY&~9t{?8mj9{jI`0?Ed0xK-qbP=Sy2NPMa9O;oY5oVjz0>4GD6LuUd#sdbcu-3Ur zsWvEG8HWe{k&2oW;pv32pkjo_Qh_C-oqSk!s<%IO>aZO9YTgkuV}qG9K^~jG$h5%o zbQJE&@ziRWAa$5M+dd4~FutE$FK9-y z6B2UQZITX9)E!XFaO{!&1>9>iti||U_`~sSfv2CINHulH=DMNUxl6J(42;xkJ;cIOdvk40B8;5lAA}8g ztsLqxhiiEGm#+{Of>tlg=4`~yCZ#^I7!fGgdI4#7;7-N^^KmgA1TxB8Yif<>^D6Aa z+x2TBh2!tCW(<;1-)glm7g`cUtHU-;#_UBIqR&9xR?*1Q)eL(^A&>ao!pQawjlc%$ z2LF1nC1R&_%t^grw{JkCeNR(i(}bme`v6^k<*8Pg)rYms*OkyXgOw=qi3=N~BKq}B zccF%%Csvt+Ss1x}<`wq73=1kuueBJmBX%DkEpYGAq#u-hNvpT4 zPD-TW9cno?xm&A_@sJ_pvl`?k^_KS>FQy~6YolxWlg?K-ql9F3E}WKnIovA@k;0gV9L~UM)(Q&dZ}vB7#b*t;snl$Azq_a&r}29YUxz zk42V);Hs@)-|4_ z3qbT!zjlt0*xisW?%gke3Y3Js(2$?r+Rt zsjXMSF>#BZ%Ce0o3|&!1mDQCF%nt32Zg=MOL%uxma2~*WOv}7Rkz+LgpP_Gd1>gfe z*0fglj@5|oShhB@O8b1o3Cg|ds)^mZxgdT5(4X(dmpEE7X8^ObBqRYL07&}!R7u0m zK);igVL{OAvi2;lAA#>_f9`~#0DW3QA>Xl@oeBgJWEu211d#~Fdd$yJ8{3?0XMPiH zOAeEdqIk%C1AIV_Pp@aJ(4b$pButL~l9zNz!|mt4l2e+V70sak2|=lx%6p32B?=BT z>>S9zU)u+$4Yx6B0OTzAnB>^|5%P!kqpXS4`Xc`Jt;_gi*_+}T^j1*pHLm8R@#e$z zMLgRXh&ZwVa!-cz7w4o59pRX!4ndW#Qgq6b?5U3q2t2r0G=!7Og3aFVYP`4*O#qMm zMs*`6eD9rsN@;_C(EIBAVDa}(9hXtum1239(O1|$Ccg)w3o z1uzMlxb;Z`d5Iq!x4l0Y$Z^ih#2;jJQYAec?GPoiL2YXX-qmNdFiGgl8 z*!}l2kMT*(DLH$_c4}USY(UyXgf$S!G<_ zE9We)?7{5h_oak7z2Xdn{M_(IMrzxzv?y@YzL)1gT>-W71O~yfCL*BgZB%$#9;4#g zyJA?FB4mI0@)@X|#AX}C_1it~Io=Wi;Y7>xM&Z%nUd-DOJwD*+@Q6+_s#Yx@a^e|x z29gKFZzFUB_9N&)XG18e6;91E%L=H=Wx9cEGIlei=6(?qn^*$mr1fOj3UCwoumWf1 zYyshdu3c7zS5h%cOHcp zvbon7EN%o7e5utQE$O!d%k;46m6h>iEW!59Gu1IVveiC#Rhm?-C`px)m&N~-VFW3n z(Sb0U!DRV5!$DZYru>+#+1T$(Y^(HFNu3YCekTz3eG!|-eWP|Pb?OrR%D?NGaBl!A zEUpX~XW23~0B4C0GNT2iS0#RH8dS>QqaU_0|Bd_vM{6-D8A-vJUZbpymruPD-*b#c zgd&?o_vd_NWnAeNX{;wXKIi{_X@C5pzlae1#$ahj{^Cn-k+saQ*@t(uMI8M?S*Z(- z5ly-Vk6p*SG^Uonie3KY9ukr9;raYV2c&&J{d%RJe%e`IuU5JFrq;Atr6QxUJJ} zbTC_zH{JQ(?d|ga*WGtUHPvqGq6i2ghyqHDf`W>OO0Q9oCIZrx7NsKsA{|1apdd9O z0!j-=mlBX(BV9oRX`xr?Eun-!iudK)`<%1)Is4o{ciel%xIY{MD`TydwcdBmXFl_p zbB_O(|GEvk^$^m+gt@y74Mx(#)d(1i=x&YR&Qg=ZGkcB0ykx<7?5zeaT04S)>tB?uL3) zLKdX=50Q`2dQOrubX1PwuJXF5x5_@$U5mW}8{ZEHiIbv)X>62)ilFbT25yxqf zAcya5Of`}t@nfsj6N~dR+fav6HCvLKWhFuVWzKR%X4&btS30*Jv5A@0&GySngs0x9 zA_Yzfz*@KypC*3U_I3+a8s?;f$e-m~Y) ze)2$U`L9`{>nzoxhtY0)?&CN2hsF@@~js`n$uBCAj7d!KG61 zhFI>1yc73)OoSb}Muq#N_xcDP(^mO-WZP*4#)9g{Tg{g-otM3(3oc*!_%rEc%g#)_ z#1y2h&~OSHwN@^7-l6aJvxNBC26a?FyS|l^h86qW9KLnC(;e%mkqr=kwzu*MMCa#p zh?LcZ*+n&i7NjN(cR}!hpxkvkLE;7Jj$Mz_HN6*(bI-o}C3`Qxbg+Eku8gciHPauC=;D4rnPLtc3sTAT^h4FzP zt}clvLuzz$6;)x2tKD<6iYS(uMH- zL)WYX*QWKE(@zDuIM|@B7o6WrSP>boqB!pePhnrVDzW3+oA)owT=6l9@A&e`^LVtH z$DmUoTR6uPvlM6;o01}^y!t*D(t>8E9L{|`QkK#CZSSaY+fkmXMj;X zW!(&mvWY(npH&RX#C#M~mz(ki7Do*0=oX!r(AIsX%jZfIca&@El{MsRQ>E*>($9ip zMY7b6JcpcY5PC9ss?OXG^Q8BqtEf#m`*@h*#UiV4=-q8`Tff4s>%ZE-?7&Y6-ipSi zc`8BJ+fW48Qz&e$jIJ|uRB3x9lj3xi zyb6uPO?*zjd0!@X%_7d>m%w``YBo@36&V)TPA-Eqf#-n`z>2WtN+_yBE)m@h5IgH1 zx_>`pPH1)|L{|m6i5vh{ujyR}5n4D+I+E zT4>h2RJ->#0<&kSt@88)VXnE^+zps55`0euQG#r^w9mby0N*tAcDi?3`N`GRI&xc@ zTmSAvaH%&NARA@UF20 zw*?qj@F&@vZixTIPI+b$GP0Sv@VP?$G%9-X zFzL-7x_$)^(W*%!u8twwTd*7Gd1oSW=9JA>l?%`v)@lF|bzqUFkVOg9jb-PeP{UY` z8Xg0{%N@W%)PlZI1(vYGPM+Pv84k^vqsvuz_`tPM+7FQ1hs=!8(}YUZzR;{X*gjn$ z%U>71rLCoX>ke-MCAbK?5)05_ca}rCg-CbO~sj*W9UYT9|ug&-x&VO&Klk& zxsZJ~QD7nfi!Mjt6N*!S?nLZl_kkOKfY!Iv5E`S#lgwn`iufULnls?imc|~C=RqaN+AFZnuRn{vwo}(I_IiAP_WMm@lGF_{GZ8{sd~K`I zkzXW?9*0o!>c0tSm{Dy>QDkwr3MpY;JJ+$q%nIxYRQ|cSia`ASBUw?Hf5iRv< zHubJUI)xln-) zd~S_jFPPz(ws{|Z`&ohH#$a)tj_rt~c8bnBU{8zYbfNb}ID^cELVa1^t7LusfGUus{e2j5+TL|m){i_J}D$sGTvu6hrHVhnlu9%i+cvh{qKAX%f zN<8T_G*=W?5Ft`Y8soy66}^~3lgtW=rYpX z#;fh{MEiJ0LdCLlq%>QS3~Yj1JVa&!wDCX61MX6AYK-tp6~P z9})_{?Xe~w>lICWc7mOI@?Hd;J><5(sV67vBbQc%aGyXmTTU=UtaoRrOGNoaGAr&o z41XVar1>*kzJ$P{&M=YkoMVpuT~rV6et-0FUx&5yrwNeKjW^n?@2|`4uOBW8E{jPX zm_e9=;C(Um;Wl>l*bK82HVXQf)kKV}uFh0#rG|(%o%30>6wX;=o?hj5eR%7jP2Y}s zl`~u;@bvnS*gR@-cUvE}DPK6QStgm))#VTx` zN$%V1L_--B^@q+*4srI1)ir{}g)%Al@KCYv8Y?ucK7Rr83dZi*a0#yZt4@{LosscryG?HH#3p*Gs_#f1Txd=SjRdm z_i1HEz}38;+!xO$xB-j$_BD>`=|(+z5Ds$-dzv2PgAT&)(5>8MZI6l>p}%ok`5r{n z*Ji;Jzci@wAYGTnf~%=(B)CsxH1V#B+mj(ZpXR z&J`e^+>>&+;vJRwFL?$d!k?lPm%EPfo$(x%b8(r~beX;%)0T0_h?VYgE2k;P*g;NG z!=3g?Z&z;<(~98{n7A^CqN?Z|g!0s^D)1)#kmJw}EEna$Xq|pOdOrZbK6T!ezp0nL z0Y{xX164&%C12*7)_e04I)4MXea~wryKxC73S6rO#SD4^V(IdSZu^e$PKsY232Y$J ziSgjR?F{RE_Kp-adq>$$*sVSNIZPTQumApGU@8U{X_M-G0c?e0jEWeJjVB)6H;rA**b7ZWgTTF^l#d9wdt zbqfl6%47qufyzZr!WQoL4otfd{`&$oqP<^GkFpbh9s1h}>cmecE0 z4Q&x@HWT0kqP(W}lRrei_J_k(PAy-0PeKmnkeh0vrK`!Z2Vh!dF2jZ%vCmN40W{qmyY>IVNXaAwRH0sz&e=c$S>N&^EJMU!9j4boG zud|yGP+^l_B$_wEQtetso-FPI3E#(@s8E$Ge_rBvnTu4P`%oyCc=vY{3Rar%2Eni# zyk@hufBuI~Mb^ps2m@R)@1BPT5h-#z@ctStZrOOtbd|~P0`9AC#@mI}{nt(G*&gi+u)D69 z8+W@h{olG|c1uumq9^E5_5{SzSDzPl51U>5R9A`v7V`xQWd(${ z;bwaft}>oCEwN6AlJIe%+n8T>|2hz9bpZ^eWN!-m=|R+FR1*!CrZqnWIZ@PuL+8(Cer|`|_c|C0GCG zX&k=DrWMAiBs!G@9+i@6&Qjx{3w9q)&r)B;gS_Z-iV3xh5=dZkDl8*6PLK119XpaCaPKt2?jUHiu-=M5*-%UdQK3-Zv&!T$var zCaq8HJcabut(bx@74tA%SO@?93tL-2B=Q`LC2;aX@_Zx_B;EBR3a{o2%R=z_)MpFd z@L3=J(D~aJ9h<3K%fnEN@PG~pSuf+`Q#9|Y&5Zg`+}H(Qp!tI^Xn#3QE~iB0SN+us zocd-wf^+24MS$H0=&4qg_5!$F>=mSS);L*}rub0Y&^jQN0_N@Jp3 z$+Q`yL4P|hjeztp%h4f{gxf~$!M08OiEfFy3}>Z`Wo2d^a13y2XoAlgLk57?%z88h z=N(?G1oSaD`7I~t&f0YV>va(6xZ}t$fo+u&z^>6}9w^1y2{G-#JIw&n0a&+KfoZLs zr6sx3_GtFNgSxZ_d(DDFr~ZBjOCl#xxBktp-7(Tv^WuN0=2ZE5C(d#~tKnGWx=eSZ z|8~KWu%l&6e+I_*anPllA=xn(Z`e`FsT|5}!hF)FCy7541hV>*j`yeNk%h;$x!U^T z)x(1GKMd=tMyEw@hg3rCRCwWvJ+w2vR(*GR(jK^2(zFLjTRVX` z=P2Cd|9hCgnEXORIMr21fW6;zKzd$Bs@veCt}F<{jN{HQAL9q3NZ@EQ_6RdhrvE8mHKP5{Z$W_Avga5 zDv5L}G^7`?;Ka*dqp`E3Dl}ES<|seyaD^s(qWQeOG!4oGQQ1z+rUR+SqCm@ z^;))z)32N>lZ%L^obs@E;H7tZ=|Y>Wrh}Sj(GB)3OoZtM3lTajIwJ)+j*xMz^ojK| zbJ?Y6uk)khWZC0Tzut708*6Tkyv!6o`X2C*uWBtaDw z(jX4qIa&(>LJ3&pJ7fXWkm|fsON=JPeWECl3^5Ib&x^H?cFJ*O@_WByX6-E4@5R90 zvHCoh`!3g=BaKrhRyV&H$b6Nzik#h?q}51l#I52~9ml`wn}!?5?ywRoP(TgA?90=*CRXIhT% znehi+hKb7o{1G0+S-ridE+yYKaZLEb1vm*juI0Wj<|_g+kmlu!x$@~P*V9eY7_?2R z7uTG$y?;m7+00S(W!d{TQj4*KOZDJ;upjI>ie8<3P4XYQipihYCvdGm22|*dSj0zz ziKA=3CC*3E!QSs+TD3k%^-e9!iwfsVK&L@aUy9=R#nCtYht2{GvMu*=nrYS039kO1 zYSm=bDdW+pE>@6r5&lER&sASjqQosj(olnJFR;@hxJs>HCcqb~#QL1|?>nC&{CduZ zqwVv=r8hJbQgEu|hMD_5jATzWI1Svz8#^G^A5#%b}_mvYww_m;F< z;f8o9krZLl5UNGkzCI*X#r*l^wU6Bz0;MopCxwCd+Q$s*Xb*w8f)1VwuY)f!O}zg! zTcv*2{IuiOjO|aE#h=2VW^`hkvc%-7@ZDKl5%g~nYH)cM~F#6>Q zq5ccZ$CI!A!tliFqR0k3%AkkIheW&21??X*1(%K zA&)Jt2FV6}=T(DDJbFOOu4kGzK+N;5a&462f;Yy5;HvgxCJ#8F55kvw{FE zKk#z1lLLMC`AFZUJZLYL5AHYP2X_M9IxIf!YWaDb|0qiGIf2dc{AD&ahY^>*$HKRs zc*!{E?U>ik-kACNg zUeO;9yt-cPicaHNFQ|RVls;3pocKL8MY@yI7qg~JzSW3VZ2S~(OQ8LY#Adw7I=et! zlQNTqU=^kld&)P-kPuz%Rp5MDFEH0q)ArrN56KS2+kykju<~wH4q>DHxZjW0Yf?)p ztxx1fKBL9lSKd0eITs~!8aQx0v>dwp6P-Q2jB_6u8rAXfIM>w7a@vE$QrP{7d0SZw zh)jrj)KpJ&hze8jfP}bk6+wLeSXhz${jL*_-$ty3=k?Fs&e8jb79}wePmv;Kk3O#H zSHp%rouhkQ>(b|Ty#r@0^zY6(0Xmh|?$(%eYbCe+z)7K*~b1BFfy~*SUu+u zY>WRH_9$X z_98f{Iug5S(6fITcX7B|Ht?W)-GT|{f za~7AJIV+Z$aM`_t^ioL5b$R)_kU&9bNw(KaLoBsSRceA3DTYLMMeMsF`3$_R4@brrZG6zLN8$H}Gy$S%pWv1^MzQRh=B(cQiy zv-gY24iJd4#e##dU6K)quo%w%3Lu$n(P)M6<631#TL{?GyHLntbv2VoR&1~vMPN`D|&4XGtLfW_DlpNhrnV~_3PC$gbj znC_H=k3D4qgz-hD_W*TU`iy+6ekE$c)Z@SJKM9g<@NA zn~#cUt!v-7M0`rvDO~IrIb-^IN5w5eQR8^AO)kwdgU=(D6lwk9?pqDBRXG%pC)jn5 zO5Vf%da5Kg8&UH3v-!+XX&%&i&aD^eNhP~WFw3Fk!J4c(kD;+abOBvw^-&~Mh{^I zNQ!Sxo5aXyBa&q`CtPu;yxx|P*~WglqC##gP!g6X3&bT9!_RFtbp*C7cb=(yOO>PB zD;BeoN|CFrDX6RMqFY(K0_|5cY$`w-S!4^8M@dTrQ#7_QO8YdxzMf`)SQM<r_hlTS9&w`#JP8}-q`R&(d>kp3IuhMFmqFuUFQyrnUwU48`PY0H-s|E|bvE`Vx(eF@QIIf@l^XMFA4UQc zubks+(gr<5Dq1yrxQ8W()hE2VuebjNk&}n16W@5$P#GQIWZ-+A@7;sZ=fyimOlSBm zx-`Z;;E237Qww3CzzCR^vk$f*b(la39iO;s$v zT%UxJ4FsW=@wZ;~*w8x)l-x9|bz~S-I=Uyny-zldQq`;KT~8g^Y=e$KekKiRdl1o0mnxfTK$0Ox4!QlH(7q{8 zeD~(}f^HVVbRdLQ55P(f!xLE+Ju9)!GV58kWpZMco%f+K&;4nzIDdyGy%D}PD3b)|BCgFvDF&-sW8G7! zG)u<5_KV}nzia-XwQ3dd7Jijl59gUl@-3v?`{L_iG$pB7n+`@y8B&QZ$|mX z2}a$O%rjKyE=nNzG35qcIyrJ=WJUJuiHbzm3*K^54(HSZJz#MtVXdguZrT>_lc?%7 z5S9~Yoard=$fE*V8l+Yu`p8GQaJX^nJ#zJ2K*Q}ZP~QGt~-Aci+jlb z#Z`Cp{uyqx`@upelAnEREz5tE zCCN)jYiAorPh5}xJ$1dE&SL^=3@VZ!FDsz*aC*kXH(#7jo7?waEq%Ai(WeqrnkUU= zV`em#GQ3>UCQNs+DLS|>(i#o4`=BOn6FM?nLHmi2fo?Bi_Z1W3HS8|vQa}xYwj^z-VO_yl*0&7}qjAduj#LsS|cmL*hl9#50j{4U>L1VW`+!-^c)eTpKd#>r4wBv*rwV*`JMmBa;;s#wVKG^;F{ydd3vIsWl$ z`|l%%Bi{uwAfgd1P`dLZuW4_BeJO{f&x5FY?%x<)rdOHLpBN@w7Lb!y*2^wSkvR_0 zDJ!YG#m`+*pr3nY&*+hHHaR;!d~1JfySoh<1`yS>EvZ;LxXGE zVlb60p%E#lq(gtFXLRCjWe+#MLe+0nTOFeQVr{FSMO@~(mfP8o8PUgaCafN-&O}tB z!s~{tX#wu};eqM+pWNzJubv8s5p1GYs(cJ58qm~aqziDQug#1E`3d4>H4VY+okvPe zIK1@ei~S}T7xzG3*i2I2J7!-?4G!!EZ4AP^Q8=jOl^-E1EOKcLa+XFH-bN4w0`gI9 z6Yj&H67ek?>$6n@MCKp5yT6GZtKM7f)!U6;##b~)6t-Yoh%s21da&PgEjF~~PDJiR z$FKTIkoklPvR1qIm!(7$?jT~8r+r2WFp@IvVIMEO5k8Xf!uEfqO8|AXqm~I zKygrFag-tT$gTI_!Eky+fF31n_#-e)M8i(UUnFYs(KZ0DBPG0LmH-}d~6dD%vm*)c)qP1zaI zmtGPf4LADh-dWFSB8n^UZ z88vs$9#(U^3orW7RIZqxvE?89RjQyM+PFXe(z&==4lP`TbFFHy%{G+COHE^s+?F8S zF0YN+Z%a-pyx_LyM#s38^1@N+r*VgcKyii|cifRh$Ud!{qd zWs?NidVVD4El12-AGANUERnP7^-PRv+f=?7YY@Az5jc%l&LBE58cPpfG7QG2TIy2@mbh;jb7wY2Di1@ zq2}dP%G(7BidN4L`UwG8gc)q3#vwRmDc^Zv(_GiFcI>aZ{?Ogf1(H@cgpjlIdPoH$ zylIZ!ytqICwU=Gw3l#7;-j#u~%aZ!|i0UNG$*l`RG=@KPZ3&fc0<6hS@Ojp<{^A1N**9SIQM=#93(Ok?)6%IiUW3yqWEX(TIp z*PJ4@^B8Lbdj;0?4LF3vaq!7|ZbR6qEie2lf(sDLoQcSvH$%5QN{rZ#32OT8cGuLxyYMv3wz~G=Iv*8H>)J-`2O(asNI(wi;CS zlq-1FjUFU!PSnW;q_4zB_~neBGgV(^lY6|V=B95@Hsk_RM;Ot1AYUfKRE{khTB^E< zx zM-(MF&o0^5MmM?8-;cfGDpkoGyPnBGq7(bfRht}}K18X>Sm|w;7=%tGIsCNAB7J{l z8Nb{uzL(EFXS|A>O7dv{(O28`Bi%xLs^}l(ZflQhR&$0(IZ*0Tf>i?EhZqPdW}|MZ zWj>Tr@Gm~OYsWWKj_6x%`)?U=QRUfE-L3w zNsNj$-5{CH5*zNQJ?i(KXmNir8rl`S>b#?hwsP)Pxe7mmPiRZhv>|XMX(?9;@qIA2 z4g2XocrCZT=x11;u8hWSZVfo9(DIk5cZqdFX&NBtUn4?fDW|Ysm0k}>8(aKlzs7G^ zh@48DI9gg0G9wN%oIDk3*{b^oyRiBJkakO=5gK5rOy(7mioe2z+AIz zP^vcR*f;L^-WidQ2Nt#p96{H&^ZWHH(yRC4$oCN6{kxm$4ag6B#La-d@wvR$=1Yfi z0nNwMUpQzMd@j0fTdw=*zUkWbAYrVDpv|jwDhR`O@$%Q5BR&`g5{i6^qClXw?7kh* zNn5`0?%qg%%k99sp3o0PxhCuGKT(_L1l9Q?L2SwwF{NIh@^!F;wUC-HtIhYO%{#DS zc;>AC$*j-OXpoMbBp7``X8V?Eyp$X~n)w0!^)<~4TmBOD<>MwBdyaCbhnbZiej;zC z-b`Fly(G!7AtvaJi+*yDE~D>POl_S2IK?b}Fy)%tNz%Jr3#)8CN43v^>_6Heae=~9 zkXH?yBpcg`2L4}b+dE%P;!fXy4xmIz<7~sDm?ak=!#PCJ3VdY6gfO9|HL&0+E?B$G zx#HXl68$sRQczUm`7pOtV7>fu1T6Wzg+h}8m{>&yyNSM<|Eg>L1AWlv9pz{ zs%h|BWP8kXJW3UJ{zudqNY%$`rRbJq518Is*5}A%Zy|kyF^Uf<3a{4&Ip&(B6QEud zGH!m%i}!RC6=W2TvY86UtidYw<53O;X7%N3WwIvgEMK(s&cOEL6?4aKa=lnK0D|#G5Y^4u==pH6bIT-NXSBFiHk9&^SvOxWodXhL#Je@F zO#|E!;l>Z_aC8FVbb9n}5#&aJ$waS+%FjR)$TZ)D83spZPT_um#BwpL)#(FMaq$a> zce^FYh&#B)(?D_viEzy}!6|8EI}PqJaW^i!M?5*ble2af>TtFFTh&>Iv^I~J@C_P} z^AM1&R9(eDCY{*T(f3-p7U#5mU&>w4m8Zwh;l@+xs6hybudZWJxf`?v=Lp!1CFFVA z;MDtGf&<%D2^qtV-q%5EzT#oCmRf@|_b(sX=6aQXHKZhMKUIsYO#3kbA)U$$6aU&T zO$Indv)_)#%?qZ6u^)|2W~&359;NM1)#h#{Ub(sXAi1EeCWPXrVv-=G=t%6!I1^3n zE(MJlm>gvWpq_-KRROB*TORDa@u=#w9N?nsOA?Ok%hcKqR_Z5d5&P>j&MR%i%r*J{t3A!DyE<$PW5SJo@gq z>c-XvyVX$q+ICkq<#Z2eFq~LuNR%g)WR+gRw38lvkQYFY zeTpV;5zdLr1`*5dRdVYn<+Nn4**(*2;HgXXTBy$-3t)n!ueH+x&W1vEhq+b|AQ}jQ zlNQY0$xDyc3b4=zb@F|*+dbl$y{zWN`zq^;ie+hO;{J@B`1HFOr=!Nv(pP@y-DCg+ zfDEm9*R;@S1`27NGe2=YRIB^PSWvbe9+RPRoYtwrN>XIecCwciHxJs~eIfZ9>FJHJ zIaZ0I^DKI3jBWDl%jhIPqS3rcfGlDGnqPF7=Q&6mSNUw2_GqU~991k#dS8}og!qO- zo{`RlYflePmk-86M11WP4d9;gtIqSo*hk&rgpy-+Ip3he_4NBDggov@QC*7`STTl@ ztP)G>D*TBA)!sQf_}v2`GYLdlu+~w509bK(giZ)ghB!lSb?4PXLJiYJW<{Gd3X5$W zKg8xhX?m>9^woFJWs!rL#{89q?oqL6Xc$7=_n2;>p1GuHeND0qH#X4xa7$aYB7817 zU5(R3WcnceDoePsM)H{fIQV`iipo7eY96CO$kK=&ifSqPJ|6O>(8bzm-M()jS}r!f ze@w#!#fOeK$$ZZajC*?s> z-rkFyIIJS6s-gGiUp9GbOi#iQh?#;C)jZN9I4WO|m(&+1_K{ zIpyWp4QPA?)78*cWXOnHE9%Iyir@f;nb@1};T9g8ANDK)f?*#Tl&BwQ=X_5arA{E( zC!cV4wA$2_zp9bzJ~BH}o7b=NFg4K3MKPn}=$h3Q`8>rJ8B9~rcDZZNz(0`5F`n-k zwt4tF$@GJ46ZVV*jCC1JV%csZ*~|<8!0&9-P4%yL64QFnAsbOm7I#xJecP_2H?Jxb z8r6e0iVRkR%i>``L5pg}(hd6}E$|_QpDi9<*K|!Bf9d;7hGv0k3ZMS1%%zyI{`sGi z`2R5Y>93^z-+n*kxZV2KjLe&S8d>6;hKI^(^DcS!{FfOT$wVm^flcI;24~s*Lob(5 zS^rJLN9LLjMzVc<;h=Yq%vE*9zEviYAz?*J`){2k4}#Kzf9%}Ul2J%0CPH~868YO0 z(_uz6rIrGH5Uy2a2||lBqvRHiK$x3hGc4QC;W1az#uPjG_y~j&UcL~wI9d8`owPFr zAs;tGQ{IRrSOGR6-EP#VXU_O(~miu%|`>hlG zhI?M!e6H14ICpV)+2%~git2VEs1}miZub*uT>tX%f_M0z z|9+^}5pK4Jzsb%CZAe@XIh9s@6dp4D%b&OQ2lw=iYOsQ>;EE4{t1Sr00T zp}m=z<9~eutfBwyl!gCm$92YaGr>yHu81_~`9Hdd&cWB`1CtoU|JpStf&Per;XlTU z{MRS;pP%6W(C<3^bY=h8BkX_ob5fp;tjpoz+T3xiiuWvx;{S~y109wAXS&+{<8?uY iTb(kxvJdT2W%m!eW&zOsKYvgEcz^#N{tWpu{J#KMIw2SU literal 0 HcmV?d00001 diff --git a/Backend/package-lock.json b/Backend/package-lock.json index 34bac85..8fc3fbc 100644 --- a/Backend/package-lock.json +++ b/Backend/package-lock.json @@ -4,8 +4,10 @@ "requires": true, "packages": { "": { + "name": "backend", "dependencies": { "ejs": "^5.0.1", + "ejs-mate": "^3.0.0", "express": "^5.2.1", "mongoose": "^9.3.1", "nodemon": "^3.1.14", @@ -340,9 +342,9 @@ } }, "node_modules/brace-expansion": { - "version": "5.0.4", - "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.4.tgz", - "integrity": "sha512-h+DEnpVvxmfVefa4jFbCf5HdH5YMDXRsmKflpf1pILZWRFlTbJpxeU55nJl4Smt5HQaGzg1o6RHFPJaOqnmBDg==", + "version": "5.0.5", + "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.5.tgz", + "integrity": "sha512-VZznLgtwhn+Mact9tfiwx64fA9erHH/MCXEUfB/0bX/6Fz6ny5EGTXYltMocqg4xFAQZtnO3DHWWXi8RiuN7cQ==", "license": "MIT", "dependencies": { "balanced-match": "^4.0.2" @@ -650,6 +652,28 @@ "node": ">=0.12.18" } }, + "node_modules/ejs-mate": { + "version": "3.0.0", + "resolved": "https://registry.npmjs.org/ejs-mate/-/ejs-mate-3.0.0.tgz", + "integrity": "sha512-9dw3DkvHsUDm9ZcWveQYzIDCOCVpTtaQ7KXE+0/fmxZVtef1q2J00f4qPQvH7I12BQUza0S+5AqZAHh3M96zXA==", + "license": "MIT", + "dependencies": { + "ejs": "^2.6.1" + }, + "engines": { + "node": ">=0.10.0" + } + }, + "node_modules/ejs-mate/node_modules/ejs": { + "version": "2.7.4", + "resolved": "https://registry.npmjs.org/ejs/-/ejs-2.7.4.tgz", + "integrity": "sha512-7vmuyh5+kuUyJKePhQfRQBhXV5Ce+RnaeeQArKu1EAMpL3WbgMt5WG6uQZpEVvYSSsxMXRKOewtDk9RaTKXRlA==", + "hasInstallScript": true, + "license": "Apache-2.0", + "engines": { + "node": ">=0.10.0" + } + }, "node_modules/emoji-regex": { "version": "8.0.0", "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz", @@ -1678,9 +1702,9 @@ "license": "ISC" }, "node_modules/picomatch": { - "version": "2.3.1", - "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz", - "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==", + "version": "2.3.2", + "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.2.tgz", + "integrity": "sha512-V7+vQEJ06Z+c5tSye8S+nHUfI51xoXIXjHQ99cQtKUkQqqO1kO/KCJUfZXuB47h/YBlDhah2H3hdUGXn8ie0oA==", "license": "MIT", "engines": { "node": ">=8.6" diff --git a/Backend/package.json b/Backend/package.json index b05bb23..0e21510 100644 --- a/Backend/package.json +++ b/Backend/package.json @@ -1,6 +1,7 @@ { "dependencies": { "ejs": "^5.0.1", + "ejs-mate": "^3.0.0", "express": "^5.2.1", "mongoose": "^9.3.1", "nodemon": "^3.1.14", diff --git a/Backend/public/script.js b/Backend/public/script.js new file mode 100644 index 0000000..e3c7a0e --- /dev/null +++ b/Backend/public/script.js @@ -0,0 +1,86 @@ + +const programForm = document.getElementById("programForm"); +const contactForm = document.getElementById("contactForm"); + +const dropdownContainers = document.querySelectorAll(".custom-dropdown-container"); + +dropdownContainers.forEach(container => { + const dropdownHeader = container.querySelector(".dropdown-header"); + const dropdownList = container.querySelector(".dropdown-list"); + const dropdownTitle = container.querySelector(".dropdown-title"); + const checkboxes = container.querySelectorAll(".custom-checkbox"); + const defaultText = container.getAttribute("data-placeholder") || "Select Options"; + + if (dropdownHeader && dropdownList) { + dropdownHeader.addEventListener("click", () => { + const isShowing = dropdownList.classList.contains("show"); + + // Close all dropdowns + document.querySelectorAll(".dropdown-list").forEach(list => list.classList.remove("show")); + document.querySelectorAll(".dropdown-header").forEach(header => header.classList.remove("active")); + + // If wasn't showing, show this one + if (!isShowing) { + dropdownList.classList.add("show"); + dropdownHeader.classList.add("active"); + } + }); + + checkboxes.forEach(checkbox => { + checkbox.addEventListener("change", () => { + const selected = Array.from(checkboxes) + .filter(cb => cb.checked) + .map(cb => cb.value); + + if (selected.length === 0) { + dropdownTitle.textContent = defaultText; + } else if (selected.length === 1) { + dropdownTitle.textContent = selected[0]; + } else if (selected.length === checkboxes.length) { + dropdownTitle.textContent = "All Selected"; + } else { + dropdownTitle.textContent = `${selected.length} Selected`; + } + + // Auto close if it's a single select radio + if (checkbox.type === "radio") { + dropdownList.classList.remove("show"); + dropdownHeader.classList.remove("active"); + } + }); + }); + } +}); + +// Close when clicking outside +document.addEventListener("click", (e) => { + dropdownContainers.forEach(container => { + const header = container.querySelector(".dropdown-header"); + const list = container.querySelector(".dropdown-list"); + if (header && list && !header.contains(e.target) && !list.contains(e.target)) { + list.classList.remove("show"); + header.classList.remove("active"); + } + }); +}); + +if (programForm) { + programForm.addEventListener("submit", (event) => { + // event.preventDefault(); + const message = document.getElementById("formMessage"); + if (message) { + message.textContent = "Your selections are ready. A learning advisor can guide you next."; + } + }); +} + +if (contactForm) { + contactForm.addEventListener("submit", (event) => { + event.preventDefault(); + const message = document.getElementById("contactMessage"); + if (message) { + message.textContent = "Message sent successfully. Our team will respond soon."; + } + contactForm.reset(); + }); +} diff --git a/Backend/public/style.css b/Backend/public/style.css new file mode 100644 index 0000000..22b6d28 --- /dev/null +++ b/Backend/public/style.css @@ -0,0 +1,725 @@ +:root { + --bg: #f6f4ff; + --surface: #ffffff; + --surface-alt: #f1eeff; + --primary: #5f22ff; + --primary-dark: #2f0d99; + --text: #16142a; + --muted: #69657f; + --line: rgba(95, 34, 255, 0.12); + --shadow: 0 22px 60px rgba(67, 28, 167, 0.18); +} + +* { + box-sizing: border-box; +} + +body { + margin: 5px; + font-family: "Manrope", sans-serif; + color: var(--text); + background: + radial-gradient(circle at top left, rgba(120, 72, 255, 0.24), transparent 28%), + linear-gradient(135deg, #fcfbff 0%, #f4efff 45%, #f7f5ff 100%); + min-height: 100vh; +} + +a { + color: inherit; + text-decoration: none; +} + +img { + display: block; + width: 100%; +} + +.page-shell { + width: min(1180px, calc(100% - 32px)); + margin: 0 auto; + padding: 24px 0 56px; +} + +.site-header { + display: flex; + justify-content: space-between; + align-items: center; + gap: 24px; + padding: 18px 22px; + background: rgba(255, 255, 255, 0.8); + backdrop-filter: blur(14px); + border: 1px solid rgba(255, 255, 255, 0.7); + border-radius: 24px; + box-shadow: var(--shadow); + position: sticky; + top: 16px; + z-index: 10; +} + +.brand { + display: flex; + align-items: center; + gap: 12px; + font-family: "Space Grotesk", sans-serif; + font-weight: 700; +} + +.brand-mark { + width: 42px; + height: 42px; + display: grid; + place-items: center; + border-radius: 14px; + color: #fff; + background: linear-gradient(135deg, #7c4dff, #4f12e7); + box-shadow: 0 12px 24px rgba(95, 34, 255, 0.28); +} + +.site-nav { + display: flex; + gap: 10px; + flex-wrap: wrap; +} + +.site-nav a { + padding: 10px 16px; + border-radius: 999px; + color: var(--muted); + font-weight: 600; + transition: 0.25s ease; +} + +.site-nav a.active, +.site-nav a:hover { + background: var(--surface-alt); + color: var(--primary-dark); +} + +.eyebrow { + display: inline-block; + margin-bottom: 18px; + text-transform: uppercase; + letter-spacing: 0.12em; + font-size: 0.75rem; + font-weight: 700; + color: rgba(255, 255, 255, 0.78); +} + +.page-hero h1 { + margin: 0; + font-family: "Space Grotesk", sans-serif; + font-size: clamp(2.7rem, 5vw, 4.8rem); + line-height: 0.98; +} + +.page-hero p { + margin: 20px 0 0; + max-width: 580px; + font-size: 1.08rem; + line-height: 1.75; + color: rgba(255, 255, 255, 0.78); +} + +.panel-card { + position: relative; + z-index: 1; + border-radius: 34px; + background: rgba(255, 255, 255, 0.92); + padding: 42px 34px; + border: 1px solid rgba(255, 255, 255, 0.9); + box-shadow: var(--shadow); +} + +.panel-kicker, +.page-hero .eyebrow { + color: var(--primary); +} + +.panel-card h2 { + margin: 10px 0 8px; + font-family: "Space Grotesk", sans-serif; + font-size: 2rem; +} + +.panel-card p { + margin: 0; + color: var(--muted); + line-height: 1.7; +} + +.dropdown-form, +.contact-form { + margin-top: 28px; +} + +.input-grid { + display: grid; + gap: 18px; + grid-template-columns: repeat(2, minmax(0, 1fr)); +} + +.centered-grid { + justify-items: center; + align-items: center; +} + +.centered-grid label, +.centered-grid .custom-dropdown-container { + width: 100%; + max-width: 240px; +} + +.expanded-grid { + grid-template-columns: repeat(2, minmax(280px, 1fr)); + gap: 24px 28px; +} + +.expanded-grid label, +.expanded-grid .custom-dropdown-container { + max-width: none; +} + +.home-form-only { + min-height: calc(100vh - 170px); + display: grid; + place-items: center; + padding: 32px 0; +} + +.solo-form { + width: min(880px, 100%); + margin-top: 0; + padding: 40px 34px; + border-radius: 34px; + background: rgba(255, 255, 255, 0.92); + border: 1px solid rgba(255, 255, 255, 0.9); + box-shadow: var(--shadow); +} + +label span, +.custom-dropdown-container > span { + display: block; + margin-bottom: 10px; + font-size: 0.92rem; + font-weight: 700; + color: var(--text); +} + +.custom-dropdown-container { + position: relative; + display: flex; + flex-direction: column; +} + +.dropdown-header { + display: flex; + justify-content: space-between; + align-items: center; + width: 100%; + border: 1px solid var(--line); + border-radius: 16px; + background: #fff; + padding: 15px 16px; + font: inherit; + color: var(--text); + outline: none; + cursor: pointer; + transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease; +} + +.dropdown-header:focus, +.dropdown-header.active { + border-color: rgba(95, 34, 255, 0.5); + box-shadow: 0 0 0 5px rgba(95, 34, 255, 0.09); + transform: translateY(-1px); +} + +.dropdown-arrow { + transition: transform 0.3s ease; + color: var(--muted); +} + +.dropdown-header.active .dropdown-arrow { + transform: rotate(180deg); +} + +.dropdown-list { + display: none; + position: relative; + width: 100%; + margin-top: 12px; + background: #fff; + border: 1px solid var(--line); + border-radius: 20px; + box-shadow: 0 16px 40px rgba(67, 28, 167, 0.15); + z-index: 100; + padding: 12px 0; + max-height: 40vh; + overflow-y: auto; + animation: fadeIn 0.2s ease; +} + +@keyframes fadeIn { + from { opacity: 0; transform: translateY(-5px); } + to { opacity: 1; transform: translateY(0); } +} + +.dropdown-list.show { + display: block; +} + +.dropdown-list .checkbox-label { + display: flex !important; + align-items: center !important; + padding: 12px 18px !important; + cursor: pointer !important; + transition: background 0.2s !important; + font-size: 0.95rem !important; + font-weight: 500 !important; + max-width: none !important; + width: 100% !important; + margin-bottom: 0 !important; +} + +.dropdown-list .checkbox-label:hover { + background: var(--surface-alt) !important; +} + +.dropdown-list .checkbox-label input[type="checkbox"], +.dropdown-list .checkbox-label input[type="radio"] { + width: 18px !important; + height: 18px !important; + margin: 0 14px 0 0 !important; + padding: 0 !important; + accent-color: var(--primary) !important; + transform: none !important; + box-shadow: none !important; + border-radius: 4px !important; +} + +.hidden-input { + display: none !important; +} + +.form-input { + width: 100%; + border: 1px solid var(--line); + border-radius: 16px; + background: #fff; + padding: 15px 16px; + font: inherit; + color: var(--text); + outline: none; + transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease; +} + +.form-input:focus { + border-color: rgba(95, 34, 255, 0.5); + box-shadow: 0 0 0 5px rgba(95, 34, 255, 0.09); + transform: translateY(-1px); +} + +.form-actions { + margin-top: 24px; +} + +.center-actions { + display: flex; + flex-direction: column; + align-items: center; + text-align: center; +} + +.primary-btn { + border: 0; + border-radius: 18px; + padding: 16px 30px; + background: linear-gradient(90deg, #5a23ef, #7a45ff); + color: #fff; + font: inherit; + font-weight: 700; + cursor: pointer; + box-shadow: 0 16px 30px rgba(95, 34, 255, 0.25); + transition: transform 0.2s ease, box-shadow 0.2s ease; +} + +.primary-btn:hover { + transform: translateY(-2px); + box-shadow: 0 22px 34px rgba(95, 34, 255, 0.32); +} + +.form-message { + min-height: 24px; + margin: 14px 0 0; + color: var(--primary-dark); + font-weight: 600; +} + +.founders-section, +.contact-layout { + margin-top: 44px; +} + +.section-heading { + display: flex; + justify-content: space-between; + align-items: end; + gap: 20px; + margin-bottom: 22px; +} + +.section-heading h2 { + margin: 0; + font-family: "Space Grotesk", sans-serif; + font-size: clamp(1.9rem, 4vw, 3rem); +} + +.info-card, +.contact-form, +.founder-card { + background: rgba(255, 255, 255, 0.9); + border: 1px solid rgba(255, 255, 255, 0.85); + box-shadow: var(--shadow); +} + +.info-card { + padding: 24px; + border-radius: 28px; +} + +.info-card h2 { + margin: 0 0 10px; + font-family: "Space Grotesk", sans-serif; +} + +.info-card p, +.founder-content p { + margin: 0; + color: var(--muted); + line-height: 1.75; +} + +.inner-page { + padding-top: 42px; +} + +.about-page { + padding-top: 20px; +} + +.about-story { + margin-top: 28px; +} + +.page-hero { + padding: 32px 36px; + border-radius: 30px; + background: linear-gradient(140deg, rgba(106, 53, 255, 0.95), rgba(46, 16, 145, 0.98)); + box-shadow: 0 24px 60px rgba(67, 28, 167, 0.28); + color: #fff; +} + +.home-hero, .about-hero { + padding: 60px 48px 110px; + position: relative; + text-align: center; +} + +.hero-content { + max-width: 800px; + margin: 0 auto; +} + +.hero-content h1 { + font-size: clamp(3rem, 6vw, 5.2rem); + margin-top: 16px; + letter-spacing: -0.02em; +} + +.hero-content p { + font-size: 1.15rem; + margin: 24px auto 0; +} + +.home-form-section { + position: relative; + z-index: 10; + display: flex; + justify-content: center; + padding: 0 24px; +} + +.overlap-form { + margin-top: -64px !important; + max-width: 1080px; +} + +.features-section { + display: grid; + grid-template-columns: repeat(3, 1fr); + gap: 28px; + padding: 80px 24px 20px; + max-width: 1180px; + margin: 0 auto; +} + +.feature-card { + background: rgba(255, 255, 255, 0.8); + border: 1px solid rgba(255, 255, 255, 0.9); + padding: 40px 32px; + border-radius: 28px; + text-align: center; + box-shadow: 0 14px 40px rgba(67, 28, 167, 0.08); + transition: transform 0.3s ease, box-shadow 0.3s ease; +} + +.feature-card:hover { + transform: translateY(-8px); + box-shadow: 0 24px 50px rgba(67, 28, 167, 0.12); +} + +.feature-icon { + font-size: 3rem; + margin-bottom: 20px; +} + +.feature-card h3 { + font-family: "Space Grotesk", sans-serif; + font-size: 1.4rem; + margin-bottom: 12px; + color: var(--primary-dark); +} + +.feature-card p { + color: var(--muted); + line-height: 1.6; +} + +.banner-heading { + align-items: center; + text-align: center; + justify-content: center; + flex-direction: column; + margin-top: 80px; + margin-bottom: 40px; +} + +.banner-heading p { + color: var(--muted); + font-size: 1.1rem; +} + +.stats-section { + display: grid; + grid-template-columns: repeat(3, 1fr); + gap: 24px; + margin-top: 64px; + padding: 48px; + background: linear-gradient(135deg, rgba(95, 34, 255, 0.05), rgba(95, 34, 255, 0.12)); + border-radius: 34px; + text-align: center; +} + +.stat-card { + display: flex; + flex-direction: column; + gap: 8px; +} + +.stat-num { + font-family: "Space Grotesk", sans-serif; + font-size: 3.5rem; + font-weight: 700; + background: linear-gradient(135deg, #7c4dff, #4f12e7); + background-clip: text; + -webkit-background-clip: text; + -webkit-text-fill-color: transparent; +} + +.stat-label { + font-weight: 600; + color: var(--text); + font-size: 1.05rem; +} + +.page-hero.compact h1 { + font-size: clamp(2.2rem, 4vw, 3.4rem); +} + +.founders-section { + display: grid; + gap: 24px; + grid-template-columns: repeat(2, minmax(0, 1fr)); +} + +.founder-card { + border-radius: 30px; + overflow: hidden; +} + +.founder-card img { + height: 460px; + object-fit: cover; +} + +.founder-content { + padding: 24px; +} + +.founder-content h2 { + margin: 0 0 6px; + font-family: "Space Grotesk", sans-serif; +} + +.founder-content span { + display: block; + margin-bottom: 12px; + color: var(--primary); + font-weight: 700; +} + +.contact-layout { + display: grid; + gap: 24px; + grid-template-columns: 0.9fr 1.1fr; +} + +.contact-info { + display: grid; + gap: 18px; +} + +.contact-form { + padding: 28px; + border-radius: 28px; +} + +.contact-form textarea { + resize: vertical; +} + +@media (max-width: 980px) { + .contact-layout, + .founders-section, + .features-section, + .stats-section { + grid-template-columns: 1fr; + } + + .home-hero, .about-hero { + padding: 40px 24px 80px; + } +} + +@media (max-width: 720px) { + .page-shell { + width: min(100% - 20px, 1180px); + padding-top: 14px; + } + + .site-header { + flex-direction: column; + align-items: flex-start; + } + + .solo-form, + .page-hero { + padding: 26px 22px; + } + + .input-grid { + grid-template-columns: 1fr; + } + + .centered-grid label, + .centered-grid .custom-dropdown-container { + max-width: none; + } +} + +.site-footer { + margin-top: 72px; + background: var(--surface-alt); + border-radius: 34px 34px 0 0; + padding: 56px 40px 24px; + color: var(--text); +} + +.footer-grid { + display: grid; + gap: 40px; + grid-template-columns: 2fr 1fr 1fr; + margin-bottom: 48px; +} + +.footer-brand { + display: flex; + flex-direction: column; + align-items: flex-start; +} + +.brand-mark-small { + width: 36px; + height: 36px; + display: grid; + place-items: center; + border-radius: 12px; + color: #fff; + font-family: inherit; + font-weight: 700; + background: linear-gradient(135deg, #7c4dff, #4f12e7); + box-shadow: 0 8px 16px rgba(95, 34, 255, 0.2); + margin-bottom: 16px; +} + +.footer-brand-name { + font-family: "Space Grotesk", sans-serif; + font-weight: 700; + font-size: 1.25rem; + margin-bottom: 12px; +} + +.footer-desc { + margin: 0; + color: var(--muted); + line-height: 1.6; + max-width: 320px; +} + +.footer-links, .footer-social { + display: flex; + flex-direction: column; + gap: 12px; +} + +.footer-links h4, .footer-social h4 { + margin: 0 0 8px; + font-size: 1.05rem; + font-family: "Space Grotesk", sans-serif; + color: var(--primary-dark); +} + +.footer-links a, .footer-social a { + color: var(--muted); + font-weight: 500; + transition: color 0.2s; +} + +.footer-links a:hover, .footer-social a:hover { + color: var(--primary); +} + +.footer-bottom { + text-align: center; + padding-top: 24px; + border-top: 1px solid rgba(95, 34, 255, 0.1); + color: var(--muted); + font-size: 0.95rem; +} + +@media (max-width: 720px) { + .footer-grid { + grid-template-columns: 1fr; + gap: 32px; + } +} diff --git a/Backend/routes/about.js b/Backend/routes/about.js new file mode 100644 index 0000000..777e46e --- /dev/null +++ b/Backend/routes/about.js @@ -0,0 +1,8 @@ +const express = require('express') +const router = express.Router(); +const app = express(); + +router.get("/",(req,res)=>{ + res.render("about.ejs", { currTab: "about" }); +}) +module.exports= router; \ No newline at end of file diff --git a/Backend/routes/contact.js b/Backend/routes/contact.js new file mode 100644 index 0000000..60e6781 --- /dev/null +++ b/Backend/routes/contact.js @@ -0,0 +1,7 @@ +const express = require('express') +const router = express.Router(); + +router.get("/",(req,res)=>{ + res.render("contact.ejs", { currTab: "contact" }); +}) +module.exports= router; \ No newline at end of file diff --git a/Backend/routes/home.js b/Backend/routes/home.js new file mode 100644 index 0000000..0ca5f53 --- /dev/null +++ b/Backend/routes/home.js @@ -0,0 +1,9 @@ +const express = require('express') +const router = express.Router(); +const ejs= require("ejs") + +router.get("/",(req,res)=>{ + res.render("home.ejs", { currTab: "home" }); +}) +module.exports= router; + diff --git a/Backend/server.js b/Backend/server.js deleted file mode 100644 index 9f49794..0000000 --- a/Backend/server.js +++ /dev/null @@ -1,54 +0,0 @@ -const fs = require('fs') -const path = require('path') - -const app = require('./app') -const connectDB = require('./Config/db') - -const loadEnvFile = () => { - const envPath = path.join(__dirname, '.env') - - if (!fs.existsSync(envPath)) { - return - } - - const envFile = fs.readFileSync(envPath, 'utf8') - - for (const line of envFile.split(/\r?\n/)) { - const trimmedLine = line.trim() - - if (!trimmedLine || trimmedLine.startsWith('#')) { - continue - } - - const separatorIndex = trimmedLine.indexOf('=') - - if (separatorIndex === -1) { - continue - } - - const key = trimmedLine.slice(0, separatorIndex).trim() - const value = trimmedLine.slice(separatorIndex + 1).trim() - - if (!process.env[key]) { - process.env[key] = value - } - } -} - -const startServer = async () => { - try { - loadEnvFile() - await connectDB() - - const port = process.env.PORT || 3000 - - app.listen(port, () => { - console.log(`Server is running on port ${port}`) - }) - } catch (error) { - console.error('Failed to start server', error) - process.exit(1) - } -} - -startServer() diff --git a/Backend/views/ejs/about.ejs b/Backend/views/ejs/about.ejs new file mode 100644 index 0000000..1d8500c --- /dev/null +++ b/Backend/views/ejs/about.ejs @@ -0,0 +1,45 @@ +<% layout("../layout/boilerplate.ejs") -%> + +
+
+ + +
+
+ Founder Aisha Rahman +
+

Aisha Rahman

+ Co-Founder & Learning Strategist +

Aisha shapes curriculum experiences that help students move from confusion to structured progress smoothly.

+
+
+ +
+ Founder Daniel Joseph +
+

Daniel Joseph

+ Co-Founder & Technology Lead +

Daniel focuses on clean digital tools that help institutions present academic options with zero friction.

+
+
+
+
+ +
+
+ 50K+ + Future Leaders Guided +
+
+ 120+ + World-Class Mentors +
+
+ 95% + Career Progression Rate +
+
+
\ No newline at end of file diff --git a/Backend/views/ejs/contact.ejs b/Backend/views/ejs/contact.ejs new file mode 100644 index 0000000..1e81da5 --- /dev/null +++ b/Backend/views/ejs/contact.ejs @@ -0,0 +1,43 @@ + <% layout("../layout/boilerplate.ejs") -%> + +
+
+ Contact us +

Talk to our team about admissions, programs, or learning support.

+

Use the contact details below or send a message through the form.

+
+ +
+
+
+

Reach us

+

Email: hello@edusparkacademy.com

+

Phone: +91 98765 43210

+

Address: 14 Learning Avenue, Bengaluru

+
+
+

Office hours

+

Monday to Friday: 9:00 AM - 6:00 PM

+

Saturday: 10:00 AM - 2:00 PM

+

Sunday: Closed

+
+
+ +
+ + + + +

+
+
+
diff --git a/Backend/views/ejs/download.ejs b/Backend/views/ejs/download.ejs new file mode 100644 index 0000000..678aac5 --- /dev/null +++ b/Backend/views/ejs/download.ejs @@ -0,0 +1,37 @@ + + + + + + AutoPaper + + +

AUTOPAPER

+ +<%let i = 0%> +<%for(let q of question){ + if(typeof q === 'string'){i=0%> +
<%= q %>
+ <%}else{ + if(q.questionType === 'MCQ'){i=i+1;%> +

(<%=i%>)<%=q.questionText%>

+

(A)<%=q.options[0]%>

+

(B)<%=q.options[1]%>

+

(C)<%=q.options[2]%>

+

(D)<%=q.options[3]%>

+ + <%}else{ i=i+1;%> +

(<%=i%>)<%=q.questionText%>

+ <%} + } +}%> + + + + \ No newline at end of file diff --git a/Backend/views/ejs/home.ejs b/Backend/views/ejs/home.ejs new file mode 100644 index 0000000..1f56c97 --- /dev/null +++ b/Backend/views/ejs/home.ejs @@ -0,0 +1,104 @@ + + <% layout("../layout/boilerplate.ejs") -%> + +
+
+ +
+
+ diff --git a/Backend/views/ejs/index.ejs b/Backend/views/ejs/index.ejs new file mode 100644 index 0000000..86bb02d --- /dev/null +++ b/Backend/views/ejs/index.ejs @@ -0,0 +1,36 @@ + + + + + + AutoPaper + + +

AUTOPAPER

+
+ +
+ + +<%let i = 0%> +<%for(let q of question){ + if(typeof q === 'string'){i=0%> +
<%= q %>
+ <%}else{ + if(q.questionType === 'MCQ'){i=i+1;%> +

(<%=i%>)<%=q.questionText%>

+

(A)<%=q.options[0]%>

+

(B)<%=q.options[1]%>

+

(C)<%=q.options[2]%>

+

(D)<%=q.options[3]%>

+ + <%}else{ i=i+1;%> +

(<%=i%>)<%=q.questionText%>

+ <%} + } +}%> + + + + + diff --git a/Backend/views/includes/footer.ejs b/Backend/views/includes/footer.ejs new file mode 100644 index 0000000..461cb30 --- /dev/null +++ b/Backend/views/includes/footer.ejs @@ -0,0 +1,27 @@ + +
+
+
+ E + EduSpark Academy +

Empowering learners to move from confusion to structured progress.

+
+
+

Navigation

+ Home + About + Contact +
+
+

Connect

+ Twitter + LinkedIn + Instagram +
+
+
+

© 2026 EduSpark Academy. All rights reserved.

+
+
+ + \ No newline at end of file diff --git a/Backend/views/includes/navbar.ejs b/Backend/views/includes/navbar.ejs new file mode 100644 index 0000000..f217635 --- /dev/null +++ b/Backend/views/includes/navbar.ejs @@ -0,0 +1,15 @@ + +
+
+ + E + EduSpark + + + +
+
diff --git a/Backend/views/layout/boilerplate.ejs b/Backend/views/layout/boilerplate.ejs new file mode 100644 index 0000000..b3d447f --- /dev/null +++ b/Backend/views/layout/boilerplate.ejs @@ -0,0 +1,21 @@ + + + + + + EduSpark Academy + + + + + + + +
+ <%- include("../includes/navbar") %> + <%- body -%> + <%- include("../includes/footer.ejs") %> + +
+ + \ No newline at end of file From 53db9a6fdf280028337ce23f814a7a88c8ab1bdc Mon Sep 17 00:00:00 2001 From: Gururaj Lande Date: Sat, 28 Mar 2026 22:08:05 +0530 Subject: [PATCH 06/11] cie2 --- Backend/functions/apm.js | 27 ++++ Backend/functions/emcq.js | 23 ++++ Backend/functions/eqp.js | 27 ++++ Backend/functions/generatepaper.js | 6 - Backend/index.js | 42 +++++- Backend/init/init.js | 7 +- Backend/modles/Questions.js | 4 +- Backend/public/paper.css | 6 + Backend/views/ejs/download.ejs | 38 +++--- Backend/views/ejs/home.ejs | 191 ++++++++++++++------------- Backend/views/ejs/index.ejs | 43 +++--- Backend/views/layout/boilerplate.ejs | 3 +- 12 files changed, 273 insertions(+), 144 deletions(-) create mode 100644 Backend/functions/apm.js create mode 100644 Backend/functions/emcq.js create mode 100644 Backend/functions/eqp.js create mode 100644 Backend/public/paper.css diff --git a/Backend/functions/apm.js b/Backend/functions/apm.js new file mode 100644 index 0000000..da2836f --- /dev/null +++ b/Backend/functions/apm.js @@ -0,0 +1,27 @@ +const mongoose = require("mongoose"); +const Question = require("../modles/Questions") + +async function apm(){ + cqp = [] + let qp = [] + let a = await Question.find({subject :"Applied Mechanics", chapter: "Unit III", category: 1,}) + let b = await Question.find({subject :"Applied Mechanics", chapter: "Unit III", category: 2,}) + let c = await Question.find({subject :"Applied Mechanics", chapter: "Unit III", category: 3,}) + let d = await Question.find({subject :"Applied Mechanics", chapter: "Unit IV", category: 1,}) + let e = await Question.find({subject :"Applied Mechanics", chapter: "Unit IV", category: 2,}) + let f = await Question.find({subject :"Applied Mechanics", chapter: "Unit IV", category: 3,}) + let kc = "a"; + + let sets = [a, b, c, d, e, f]; + +for (let i = 0; i < sets.length; i++) { + let l = sets[i].length; + let j = Math.floor(Math.random() * l); + qp.push(sets[i][j]); // push the actual object from a/b/c/d/e/f +} + return(qp); +} +module.exports =apm; + + + \ No newline at end of file diff --git a/Backend/functions/emcq.js b/Backend/functions/emcq.js new file mode 100644 index 0000000..6a7c454 --- /dev/null +++ b/Backend/functions/emcq.js @@ -0,0 +1,23 @@ +const mongoose = require("mongoose"); +const Question = require("../modles/Questions") + +async function emcq(){ + cqp = []; + let qp =[]; + let MCQ= await Question.find({questionType:'MCQ',subject:'Engineering Chemistry',chapter:'u3'}); + let MCQb= await Question.find({questionType:'MCQ',subject:'Engineering Chemistry',chapter:'Unit IV'}); + for(let i=0;i<10;i++){ + let l = MCQ.length; + let j= Math.floor(Math.random() * l ); + qp.push(MCQ[j]); + MCQ.splice(j,1); + } + for(let i=0;i<10;i++){ + let l = MCQb.length; + let j= Math.floor(Math.random() * l ); + qp.push(MCQb[j]); + MCQb.splice(j,1); + } + return(qp) +} +module.exports = emcq; \ No newline at end of file diff --git a/Backend/functions/eqp.js b/Backend/functions/eqp.js new file mode 100644 index 0000000..7a881d6 --- /dev/null +++ b/Backend/functions/eqp.js @@ -0,0 +1,27 @@ +const mongoose = require("mongoose"); +const Question = require("../modles/Questions") + + + +async function eqp(){ + cqp = [] + let qp = [] + let a = await Question.find({subject:'Engineering Mathematics-II', chapter: "Unit III", category: 1,}) + let b = await Question.find({chapter: "Unit III", category: 3,subject:'Engineering Mathematics-II'}) + let c = await Question.find({chapter: "Unit III", category: 2,subject:'Engineering Mathematics-II'}) + + {let la = a.length; + let ja= Math.floor(Math.random() * la ); + qp.push(a[ja]);} + + {let lb = b.length; + let jb= Math.floor(Math.random() * lb ); + qp.push(b[jb]);} + + {let lc = c.length; + let jc= Math.floor(Math.random() * lc ); + qp.push(c[jc]);} + + return(qp) +} + module.exports = eqp; \ No newline at end of file diff --git a/Backend/functions/generatepaper.js b/Backend/functions/generatepaper.js index d173f51..0553b51 100644 --- a/Backend/functions/generatepaper.js +++ b/Backend/functions/generatepaper.js @@ -1,11 +1,5 @@ const mongoose = require("mongoose"); const Question = require("../modles/Questions") -main().catch((err)=>{ - console.log(err) -}) -async function main(){ - mongoose.connect("mongodb://localhost:27017/autopaper") -} async function generateqp(){ cqp = []; diff --git a/Backend/index.js b/Backend/index.js index b66db02..011eb96 100644 --- a/Backend/index.js +++ b/Backend/index.js @@ -8,6 +8,9 @@ const ejsMate = require("ejs-mate"); const generateqp = require("./functions/generatepaper.js"); +const eqp = require("./functions/eqp.js"); +const emcq = require("./functions/emcq.js"); +const apm = require("./functions/apm.js"); const home = require("./routes/home.js"); const about = require("./routes/about.js"); const contact = require("./routes/contact.js"); @@ -15,8 +18,9 @@ const contact = require("./routes/contact.js"); app.engine("ejs", ejsMate); app.set("view engine","ejs") app.set("views",path.join(__dirname,'./views/ejs')) -app.use(express.static(path.join(__dirname,'./public/'))); +app.use(express.static(path.join(__dirname,'./public'))); app.use(express.json()) +app.use(express.urlencoded({ extended: true })) main().then(()=>{ console.log("connected") @@ -25,7 +29,8 @@ main().then(()=>{ }) async function main(){ - mongoose.connect("mongodb://localhost:27017/autopaper") + await mongoose.disconnect(); + await mongoose.connect("mongodb://localhost:27017/autopap") } app.use("/", home); @@ -33,15 +38,46 @@ app.use("/about", about); app.use("/contact", contact); let cqp = []; + +app.get("/math", async(req,res)=>{ + let qp = await eqp(); + cqp=qp; + res.render("index.ejs",{question: qp}); +}) + +app.get("/chem",async (req,res)=>{ + let qp = await emcq() + cqp=qp; + res.render("index.ejs", {question :qp}) +}) + +app.get("/apm",async (req,res)=>{ + let qp = await apm(); + cqp=qp; + res.render("index.ejs", {question :qp}) +}) + app.get("/paper",async (req,res)=>{ let qp = await generateqp() cqp = qp; res.render("index.ejs", { question: qp }) }) + + +app.post('/modern', (req, res) => { + const sub = req.body.sub; + if(sub === "Chemistry"){res.redirect("/chem")} + if(sub === "Applied Mechanics"){res.redirect("/apm")} + if(sub === "Mathematics-2"){res.redirect("/math")} +}) + app.get("/download", async (req, res)=>{ let qp = cqp; res.render("download.ejs", { question: qp }); }) app.listen(8080,()=>{ console.log("LOCAL") -}) \ No newline at end of file +}) + + + diff --git a/Backend/init/init.js b/Backend/init/init.js index ab8a355..a6f88c5 100644 --- a/Backend/init/init.js +++ b/Backend/init/init.js @@ -2,7 +2,7 @@ const mongoose = require('mongoose'); const fs = require('fs'); const Question = require('../modles/Questions'); -const data = JSON.parse(fs.readFileSync('./SSC_Science1_Mongoose_v2.json', 'utf-8')); +const data = JSON.parse(fs.readFileSync('../unit4_apm.json', 'utf-8')); main().then(()=>{ console.log('Connected to MongoDB'); @@ -11,12 +11,13 @@ main().then(()=>{ }) async function main() { - await mongoose.connect('mongodb://localhost:27017/autopaper'); + await mongoose.disconnect(); + await mongoose.connect('mongodb://localhost:27017/autopap'); } async function enterdata() { try { - await Question.deleteMany({}); + // await Question.deleteMany({}); await Question.insertMany(data); console.log(` ${data.length} questions inserted successfully!`); diff --git a/Backend/modles/Questions.js b/Backend/modles/Questions.js index 482504d..1441619 100644 --- a/Backend/modles/Questions.js +++ b/Backend/modles/Questions.js @@ -4,14 +4,16 @@ const questionSchema = new mongoose.Schema({ questionText: { type: String, required: true }, questionType: { type: String, enum: ['MCQ','obj', 'gr','1m', '2m', '3m','5m'], required: true }, options: [String], // only filled for MCQ - answer: { type: String }, subject: { type: String, required: true }, chapter: { type: String }, grade: { type: Number, required: true }, difficulty: { type: String, enum: ['easy', 'medium', 'hard'], required: true }, marks: { type: Number, required: true }, + category:{type:Number}, createdBy: { type: mongoose.Schema.Types.ObjectId, ref: 'User' }, institutionId: { type: mongoose.Schema.Types.ObjectId, ref: 'Institution' }, + hasImage : {type: String, required: true}, + image:{type: String}, }, { timestamps: true, }) diff --git a/Backend/public/paper.css b/Backend/public/paper.css new file mode 100644 index 0000000..a448f9a --- /dev/null +++ b/Backend/public/paper.css @@ -0,0 +1,6 @@ +h1 { + text-align: center; +} +img{ + text-align: center; +} diff --git a/Backend/views/ejs/download.ejs b/Backend/views/ejs/download.ejs index 678aac5..2bdfd8d 100644 --- a/Backend/views/ejs/download.ejs +++ b/Backend/views/ejs/download.ejs @@ -3,35 +3,41 @@ - AutoPaper - - -

AUTOPAPER

+ EduSpark + + +
+

EduSpark

+
<%let i = 0%> -<%for(let q of question){ - if(typeof q === 'string'){i=0%> +<%for(let q of question){%> + <%if(typeof q === 'string'){i=0%>
<%= q %>
- <%}else{ - if(q.questionType === 'MCQ'){i=i+1;%> -

(<%=i%>)<%=q.questionText%>

+ <%}else{%> + <%if(q.questionType === "MCQ"){i=i+1;%> +

(<%=i%>)<%=q.questionText%>

(A)<%=q.options[0]%>

(B)<%=q.options[1]%>

(C)<%=q.options[2]%>

-

(D)<%=q.options[3]%>

+

(D)<%=q.options[3]%>


- <%}else{ i=i+1;%> -

(<%=i%>)<%=q.questionText%>

- <%} - } -}%> + <%}else{%> + <% if(q.hasImage == "yes"){i=i+1;%> +

(<%=i%>)<%=q.questionText%>

+ question image
+ <%}else{%> + <%i=i+1;%> +

(<%=i%>)<%=q.questionText%>


+ <%}%> +<%}}}%> \ No newline at end of file diff --git a/Backend/views/ejs/home.ejs b/Backend/views/ejs/home.ejs index 1f56c97..ef0e4b7 100644 --- a/Backend/views/ejs/home.ejs +++ b/Backend/views/ejs/home.ejs @@ -1,104 +1,105 @@ +<% layout("../layout/boilerplate.ejs") -%> - <% layout("../layout/boilerplate.ejs") -%> +
+
+
\ No newline at end of file From 5961c7476ac83dc3c9c7cc0e2810b9a9eff1126f Mon Sep 17 00:00:00 2001 From: Gururaj Lande Date: Mon, 30 Mar 2026 20:03:39 +0530 Subject: [PATCH 07/11] localfinal --- Backend/functions/apm.js | 4 +- Backend/functions/eqp.js | 12 +- Backend/functions/pps.js | 21 +++ Backend/index.js | 23 ++- Backend/package-lock.json | 229 ++++++++++++++++++++++++- Backend/package.json | 6 + Backend/public/paper.css | 22 +++ Backend/public/style.css | 18 +- Backend/views/ejs/about.ejs | 30 ++-- Backend/views/ejs/contact.ejs | 20 +-- Backend/views/ejs/download.ejs | 10 +- Backend/views/ejs/index.ejs | 13 +- Backend/{ => views/includes}/logo.jpeg | Bin Backend/views/includes/navbar.ejs | 3 +- 14 files changed, 350 insertions(+), 61 deletions(-) create mode 100644 Backend/functions/pps.js rename Backend/{ => views/includes}/logo.jpeg (100%) diff --git a/Backend/functions/apm.js b/Backend/functions/apm.js index da2836f..b54f84d 100644 --- a/Backend/functions/apm.js +++ b/Backend/functions/apm.js @@ -6,13 +6,11 @@ async function apm(){ let qp = [] let a = await Question.find({subject :"Applied Mechanics", chapter: "Unit III", category: 1,}) let b = await Question.find({subject :"Applied Mechanics", chapter: "Unit III", category: 2,}) - let c = await Question.find({subject :"Applied Mechanics", chapter: "Unit III", category: 3,}) let d = await Question.find({subject :"Applied Mechanics", chapter: "Unit IV", category: 1,}) let e = await Question.find({subject :"Applied Mechanics", chapter: "Unit IV", category: 2,}) - let f = await Question.find({subject :"Applied Mechanics", chapter: "Unit IV", category: 3,}) let kc = "a"; - let sets = [a, b, c, d, e, f]; + let sets = [a, b, d, e]; for (let i = 0; i < sets.length; i++) { let l = sets[i].length; diff --git a/Backend/functions/eqp.js b/Backend/functions/eqp.js index 7a881d6..5375e38 100644 --- a/Backend/functions/eqp.js +++ b/Backend/functions/eqp.js @@ -1,15 +1,13 @@ const mongoose = require("mongoose"); const Question = require("../modles/Questions") - - async function eqp(){ cqp = [] let qp = [] let a = await Question.find({subject:'Engineering Mathematics-II', chapter: "Unit III", category: 1,}) - let b = await Question.find({chapter: "Unit III", category: 3,subject:'Engineering Mathematics-II'}) - let c = await Question.find({chapter: "Unit III", category: 2,subject:'Engineering Mathematics-II'}) - + let b = await Question.find({chapter: "Unit III", category: 2,subject:'Engineering Mathematics-II'}) + let c = await Question.find({chapter: "Unit IV", category: 2,subject:'Engineering Mathematics-II'}) + let d = await Question.find({chapter: "Unit IV", category: 1,subject:'Engineering Mathematics-II'}) {let la = a.length; let ja= Math.floor(Math.random() * la ); qp.push(a[ja]);} @@ -18,6 +16,10 @@ async function eqp(){ let jb= Math.floor(Math.random() * lb ); qp.push(b[jb]);} + {let ld = d.length; + let jd= Math.floor(Math.random() * ld ); + qp.push(d[jd]);} + {let lc = c.length; let jc= Math.floor(Math.random() * lc ); qp.push(c[jc]);} diff --git a/Backend/functions/pps.js b/Backend/functions/pps.js new file mode 100644 index 0000000..5d6f059 --- /dev/null +++ b/Backend/functions/pps.js @@ -0,0 +1,21 @@ +const mongoose = require("mongoose"); +const Question = require("../modles/Questions") + +async function pps(){ + cqp = [] + let qp = [] + let a = await Question.find({subject:'PPS', chapter: "Unit III",}) + let b = await Question.find({chapter: "Unit IV", subject:'PPS'}) + + {let la = a.length; + let ja= Math.floor(Math.random() * la ); + qp.push(a[ja]);} + + {let lb = b.length; + let jb= Math.floor(Math.random() * lb ); + qp.push(b[jb]);} + + + return(qp) +} + module.exports = pps; \ No newline at end of file diff --git a/Backend/index.js b/Backend/index.js index 011eb96..8adfc0a 100644 --- a/Backend/index.js +++ b/Backend/index.js @@ -5,15 +5,18 @@ const mongoose = require("mongoose"); const ejs= require("ejs"); const path = require("path"); const ejsMate = require("ejs-mate"); - +const cookieParser = require('cookie-parser'); const generateqp = require("./functions/generatepaper.js"); const eqp = require("./functions/eqp.js"); const emcq = require("./functions/emcq.js"); const apm = require("./functions/apm.js"); +const pps = require("./functions/pps.js"); const home = require("./routes/home.js"); const about = require("./routes/about.js"); const contact = require("./routes/contact.js"); +const dotenv= require('dotenv'); +dotenv.config(); app.engine("ejs", ejsMate); app.set("view engine","ejs") @@ -21,6 +24,7 @@ app.set("views",path.join(__dirname,'./views/ejs')) app.use(express.static(path.join(__dirname,'./public'))); app.use(express.json()) app.use(express.urlencoded({ extended: true })) +app.use(cookieParser()); main().then(()=>{ console.log("connected") @@ -57,27 +61,32 @@ app.get("/apm",async (req,res)=>{ res.render("index.ejs", {question :qp}) }) +app.get("/pps",async (req,res)=>{ + let qp = await pps(); + console.log(qp); + cqp=qp; + res.render("index.ejs", {question :qp}) +}) + app.get("/paper",async (req,res)=>{ let qp = await generateqp() cqp = qp; res.render("index.ejs", { question: qp }) }) - app.post('/modern', (req, res) => { - const sub = req.body.sub; + const sub = req.body.sub; if(sub === "Chemistry"){res.redirect("/chem")} if(sub === "Applied Mechanics"){res.redirect("/apm")} if(sub === "Mathematics-2"){res.redirect("/math")} + if(sub === "P.P.S"){res.redirect("/pps")} }) app.get("/download", async (req, res)=>{ let qp = cqp; res.render("download.ejs", { question: qp }); }) + app.listen(8080,()=>{ console.log("LOCAL") -}) - - - +}) \ No newline at end of file diff --git a/Backend/package-lock.json b/Backend/package-lock.json index 8fc3fbc..1a15580 100644 --- a/Backend/package-lock.json +++ b/Backend/package-lock.json @@ -4,13 +4,18 @@ "requires": true, "packages": { "": { - "name": "backend", "dependencies": { + "cookie-parser": "^1.4.7", + "dotenv": "^17.3.1", "ejs": "^5.0.1", "ejs-mate": "^3.0.0", "express": "^5.2.1", + "jsonwebtoken": "^9.0.3", "mongoose": "^9.3.1", "nodemon": "^3.1.14", + "passport": "^0.7.0", + "passport-local": "^1.0.0", + "passport-local-mongoose": "^9.0.1", "puppeteer": "^24.40.0", "puppeteer-core": "^24.40.0" } @@ -383,6 +388,12 @@ "node": "*" } }, + "node_modules/buffer-equal-constant-time": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz", + "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA==", + "license": "BSD-3-Clause" + }, "node_modules/bytes": { "version": "3.1.2", "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz", @@ -530,6 +541,25 @@ "node": ">= 0.6" } }, + "node_modules/cookie-parser": { + "version": "1.4.7", + "resolved": "https://registry.npmjs.org/cookie-parser/-/cookie-parser-1.4.7.tgz", + "integrity": "sha512-nGUvgXnotP3BsjiLX2ypbQnWoGUPIIfHQNZkkC668ntrzGWEZVW70HDEB1qnNGMicPje6EttlIgzo51YSwNQGw==", + "license": "MIT", + "dependencies": { + "cookie": "0.7.2", + "cookie-signature": "1.0.6" + }, + "engines": { + "node": ">= 0.8.0" + } + }, + "node_modules/cookie-parser/node_modules/cookie-signature": { + "version": "1.0.6", + "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz", + "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ==", + "license": "MIT" + }, "node_modules/cookie-signature": { "version": "1.2.2", "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.2.2.tgz", @@ -620,6 +650,18 @@ "integrity": "sha512-nv7iKtNZQshSW2hKzYNr46nM/Cfh5SEvE2oV0/SEGgc9XupIY5ggf84Cz8eJIkBce7S3bmTAauFD6aysMpnqsQ==", "license": "BSD-3-Clause" }, + "node_modules/dotenv": { + "version": "17.3.1", + "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.3.1.tgz", + "integrity": "sha512-IO8C/dzEb6O3F9/twg6ZLXz164a2fhTnEWb95H23Dm4OuN+92NmEAlTrupP9VW6Jm3sO26tQlqyvyi4CsnY9GA==", + "license": "BSD-2-Clause", + "engines": { + "node": ">=12" + }, + "funding": { + "url": "https://dotenvx.com" + } + }, "node_modules/dunder-proto": { "version": "1.0.1", "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz", @@ -634,6 +676,15 @@ "node": ">= 0.4" } }, + "node_modules/ecdsa-sig-formatter": { + "version": "1.0.11", + "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz", + "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==", + "license": "Apache-2.0", + "dependencies": { + "safe-buffer": "^5.0.1" + } + }, "node_modules/ee-first": { "version": "1.1.1", "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz", @@ -1310,6 +1361,49 @@ "integrity": "sha512-xyFwyhro/JEof6Ghe2iz2NcXoj2sloNsWr/XsERDK/oiPCfaNhl5ONfp+jQdAZRQQ0IJWNzH9zIZF7li91kh2w==", "license": "MIT" }, + "node_modules/jsonwebtoken": { + "version": "9.0.3", + "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-9.0.3.tgz", + "integrity": "sha512-MT/xP0CrubFRNLNKvxJ2BYfy53Zkm++5bX9dtuPbqAeQpTVe0MQTFhao8+Cp//EmJp244xt6Drw/GVEGCUj40g==", + "license": "MIT", + "dependencies": { + "jws": "^4.0.1", + "lodash.includes": "^4.3.0", + "lodash.isboolean": "^3.0.3", + "lodash.isinteger": "^4.0.4", + "lodash.isnumber": "^3.0.3", + "lodash.isplainobject": "^4.0.6", + "lodash.isstring": "^4.0.1", + "lodash.once": "^4.0.0", + "ms": "^2.1.1", + "semver": "^7.5.4" + }, + "engines": { + "node": ">=12", + "npm": ">=6" + } + }, + "node_modules/jwa": { + "version": "2.0.1", + "resolved": "https://registry.npmjs.org/jwa/-/jwa-2.0.1.tgz", + "integrity": "sha512-hRF04fqJIP8Abbkq5NKGN0Bbr3JxlQ+qhZufXVr0DvujKy93ZCbXZMHDL4EOtodSbCWxOqR8MS1tXA5hwqCXDg==", + "license": "MIT", + "dependencies": { + "buffer-equal-constant-time": "^1.0.1", + "ecdsa-sig-formatter": "1.0.11", + "safe-buffer": "^5.0.1" + } + }, + "node_modules/jws": { + "version": "4.0.1", + "resolved": "https://registry.npmjs.org/jws/-/jws-4.0.1.tgz", + "integrity": "sha512-EKI/M/yqPncGUUh44xz0PxSidXFr/+r0pA70+gIYhjv+et7yxM+s29Y+VGDkovRofQem0fs7Uvf4+YmAdyRduA==", + "license": "MIT", + "dependencies": { + "jwa": "^2.0.1", + "safe-buffer": "^5.0.1" + } + }, "node_modules/kareem": { "version": "3.2.0", "resolved": "https://registry.npmjs.org/kareem/-/kareem-3.2.0.tgz", @@ -1325,6 +1419,48 @@ "integrity": "sha512-7ylylesZQ/PV29jhEDl3Ufjo6ZX7gCqJr5F7PKrqc93v7fzSymt1BpwEU8nAUXs8qzzvqhbjhK5QZg6Mt/HkBg==", "license": "MIT" }, + "node_modules/lodash.includes": { + "version": "4.3.0", + "resolved": "https://registry.npmjs.org/lodash.includes/-/lodash.includes-4.3.0.tgz", + "integrity": "sha512-W3Bx6mdkRTGtlJISOvVD/lbqjTlPPUDTMnlXZFnVwi9NKJ6tiAk6LVdlhZMm17VZisqhKcgzpO5Wz91PCt5b0w==", + "license": "MIT" + }, + "node_modules/lodash.isboolean": { + "version": "3.0.3", + "resolved": "https://registry.npmjs.org/lodash.isboolean/-/lodash.isboolean-3.0.3.tgz", + "integrity": "sha512-Bz5mupy2SVbPHURB98VAcw+aHh4vRV5IPNhILUCsOzRmsTmSQ17jIuqopAentWoehktxGd9e/hbIXq980/1QJg==", + "license": "MIT" + }, + "node_modules/lodash.isinteger": { + "version": "4.0.4", + "resolved": "https://registry.npmjs.org/lodash.isinteger/-/lodash.isinteger-4.0.4.tgz", + "integrity": "sha512-DBwtEWN2caHQ9/imiNeEA5ys1JoRtRfY3d7V9wkqtbycnAmTvRRmbHKDV4a0EYc678/dia0jrte4tjYwVBaZUA==", + "license": "MIT" + }, + "node_modules/lodash.isnumber": { + "version": "3.0.3", + "resolved": "https://registry.npmjs.org/lodash.isnumber/-/lodash.isnumber-3.0.3.tgz", + "integrity": "sha512-QYqzpfwO3/CWf3XP+Z+tkQsfaLL/EnUlXWVkIk5FUPc4sBdTehEqZONuyRt2P67PXAk+NXmTBcc97zw9t1FQrw==", + "license": "MIT" + }, + "node_modules/lodash.isplainobject": { + "version": "4.0.6", + "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz", + "integrity": "sha512-oSXzaWypCMHkPC3NvBEaPHf0KsA5mvPrOPgQWDsbg8n7orZ290M0BmC/jgRZ4vcJ6DTAhjrsSYgdsW/F+MFOBA==", + "license": "MIT" + }, + "node_modules/lodash.isstring": { + "version": "4.0.1", + "resolved": "https://registry.npmjs.org/lodash.isstring/-/lodash.isstring-4.0.1.tgz", + "integrity": "sha512-0wJxfxH1wgO3GrbuP+dTTk7op+6L41QCXbGINEmD+ny/G/eCqGzxyCsh7159S+mgDDcoarnBw6PC1PS5+wUGgw==", + "license": "MIT" + }, + "node_modules/lodash.once": { + "version": "4.1.1", + "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz", + "integrity": "sha512-Sb487aTOCr9drQVL8pIxOzVhafOjZN9UU54hiN8PU3uAiSV7lx1yYNpbNmex2PK6dSJoNTSJUUswT651yww3Mg==", + "license": "MIT" + }, "node_modules/lru-cache": { "version": "7.18.3", "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-7.18.3.tgz", @@ -1679,6 +1815,56 @@ "node": ">= 0.8" } }, + "node_modules/passport": { + "version": "0.7.0", + "resolved": "https://registry.npmjs.org/passport/-/passport-0.7.0.tgz", + "integrity": "sha512-cPLl+qZpSc+ireUvt+IzqbED1cHHkDoVYMo30jbJIdOOjQ1MQYZBPiNvmi8UM6lJuOpTPXJGZQk0DtC4y61MYQ==", + "license": "MIT", + "dependencies": { + "passport-strategy": "1.x.x", + "pause": "0.0.1", + "utils-merge": "^1.0.1" + }, + "engines": { + "node": ">= 0.4.0" + }, + "funding": { + "type": "github", + "url": "https://github.com/sponsors/jaredhanson" + } + }, + "node_modules/passport-local": { + "version": "1.0.0", + "resolved": "https://registry.npmjs.org/passport-local/-/passport-local-1.0.0.tgz", + "integrity": "sha512-9wCE6qKznvf9mQYYbgJ3sVOHmCWoUNMVFoZzNoznmISbhnNNPhN9xfY3sLmScHMetEJeoY7CXwfhCe7argfQow==", + "dependencies": { + "passport-strategy": "1.x.x" + }, + "engines": { + "node": ">= 0.4.0" + } + }, + "node_modules/passport-local-mongoose": { + "version": "9.0.1", + "resolved": "https://registry.npmjs.org/passport-local-mongoose/-/passport-local-mongoose-9.0.1.tgz", + "integrity": "sha512-DiAoFiNBUNcxJd/ZC09mK2p2zclIi3RGtdnynO27Wf38V16R4d1iYTYjSPbCWhbpJvVD5X1d0HkAPDGQTSbEnw==", + "license": "MIT", + "dependencies": { + "passport-local": "^1.0.0", + "scmp": "^2.1.0" + }, + "engines": { + "node": ">= 8.0.0" + } + }, + "node_modules/passport-strategy": { + "version": "1.0.0", + "resolved": "https://registry.npmjs.org/passport-strategy/-/passport-strategy-1.0.0.tgz", + "integrity": "sha512-CB97UUvDKJde2V0KDWWB3lyf6PC3FaZP7YxZ2G8OAtn9p4HI9j9JLP9qjOGZFvyl8uwNT8qM+hGnz/n16NI7oA==", + "engines": { + "node": ">= 0.4.0" + } + }, "node_modules/path-to-regexp": { "version": "8.3.0", "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-8.3.0.tgz", @@ -1689,6 +1875,11 @@ "url": "https://opencollective.com/express" } }, + "node_modules/pause": { + "version": "0.0.1", + "resolved": "https://registry.npmjs.org/pause/-/pause-0.0.1.tgz", + "integrity": "sha512-KG8UEiEVkR3wGEb4m5yZkVCzigAD+cVEJck2CzYZO37ZGJfctvVptVO192MwrtPhzONn6go8ylnOdMhKqi4nfg==" + }, "node_modules/pend": { "version": "1.2.0", "resolved": "https://registry.npmjs.org/pend/-/pend-1.2.0.tgz", @@ -1909,12 +2100,39 @@ "node": ">= 18" } }, + "node_modules/safe-buffer": { + "version": "5.2.1", + "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz", + "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==", + "funding": [ + { + "type": "github", + "url": "https://github.com/sponsors/feross" + }, + { + "type": "patreon", + "url": "https://www.patreon.com/feross" + }, + { + "type": "consulting", + "url": "https://feross.org/support" + } + ], + "license": "MIT" + }, "node_modules/safer-buffer": { "version": "2.1.2", "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz", "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==", "license": "MIT" }, + "node_modules/scmp": { + "version": "2.1.0", + "resolved": "https://registry.npmjs.org/scmp/-/scmp-2.1.0.tgz", + "integrity": "sha512-o/mRQGk9Rcer/jEEw/yw4mwo3EU/NvYvp577/Btqrym9Qy5/MdWGBqipbALgd2lrdWTJ5/gqDusxfnQBxOxT2Q==", + "deprecated": "Just use Node.js's crypto.timingSafeEqual()", + "license": "BSD-3-Clause" + }, "node_modules/semver": { "version": "7.7.4", "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.4.tgz", @@ -2317,6 +2535,15 @@ "node": ">= 0.8" } }, + "node_modules/utils-merge": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz", + "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==", + "license": "MIT", + "engines": { + "node": ">= 0.4.0" + } + }, "node_modules/vary": { "version": "1.1.2", "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz", diff --git a/Backend/package.json b/Backend/package.json index 0e21510..620d474 100644 --- a/Backend/package.json +++ b/Backend/package.json @@ -1,10 +1,16 @@ { "dependencies": { + "cookie-parser": "^1.4.7", + "dotenv": "^17.3.1", "ejs": "^5.0.1", "ejs-mate": "^3.0.0", "express": "^5.2.1", + "jsonwebtoken": "^9.0.3", "mongoose": "^9.3.1", "nodemon": "^3.1.14", + "passport": "^0.7.0", + "passport-local": "^1.0.0", + "passport-local-mongoose": "^9.0.1", "puppeteer": "^24.40.0", "puppeteer-core": "^24.40.0" } diff --git a/Backend/public/paper.css b/Backend/public/paper.css index a448f9a..1ba7b1f 100644 --- a/Backend/public/paper.css +++ b/Backend/public/paper.css @@ -4,3 +4,25 @@ h1 { img{ text-align: center; } +.center{ + display: block; + height: 250px; + width: auto; + margin-left: 30vw; +}.pap-head{ + height: 100px; + width: 98vw; + display: flex; + align-items: center; + justify-content: center; + border: 5px solid black; + border-radius: 30px;} + +.ff-ff{ + margin-top: 10px; +} +.logo{ + height: 50px; + width: auto; + margin-right: 30px; +} \ No newline at end of file diff --git a/Backend/public/style.css b/Backend/public/style.css index 22b6d28..c0fb80c 100644 --- a/Backend/public/style.css +++ b/Backend/public/style.css @@ -385,6 +385,11 @@ label span, .info-card { padding: 24px; border-radius: 28px; + width: 90vw; + margin-left: 5vw; +} +.card-con{ + text-align: center; } .info-card h2 { @@ -408,7 +413,7 @@ label span, } .about-story { - margin-top: 28px; + margin-top: 14px; } .page-hero { @@ -500,7 +505,7 @@ label span, text-align: center; justify-content: center; flex-direction: column; - margin-top: 80px; + margin-top: 20px; margin-bottom: 40px; } @@ -723,3 +728,12 @@ label span, gap: 32px; } } + +/* .card-text h4{ + color: #5f22ff; +} */ + +.logo{ + height: 50px; + width: auto; +} \ No newline at end of file diff --git a/Backend/views/ejs/about.ejs b/Backend/views/ejs/about.ejs index 1d8500c..4681056 100644 --- a/Backend/views/ejs/about.ejs +++ b/Backend/views/ejs/about.ejs @@ -9,37 +9,27 @@
- Founder Aisha Rahman
-

Aisha Rahman

- Co-Founder & Learning Strategist -

Aisha shapes curriculum experiences that help students move from confusion to structured progress smoothly.

+

Ritesh Gabale

+ Co-Founder & Technology Lead +

Ritesh focuses on clean digital tools that help institutions present academic options with zero friction.

- Founder Daniel Joseph
-

Daniel Joseph

- Co-Founder & Technology Lead -

Daniel focuses on clean digital tools that help institutions present academic options with zero friction.

+

Gururaj Lande

+ Co-Founder & Learning Strategist +

Gururaj shapes curriculum experiences that help students move from confusion to structured progress smoothly.

-
- 50K+ - Future Leaders Guided -
-
- 120+ - World-Class Mentors -
-
- 95% - Career Progression Rate -
+

“Autopaper is a startup focused on simplifying exam preparation by creating structured, reliable, and ready-to-use question papers for schools, colleges, and coaching institutes.”

+

“Autopaper is committed to delivering reliable exam papers that support schools, colleges, and coaching centers in assessing knowledge effectively.”

+

“We specialize in crafting question papers that save teachers time and help students prepare with clarity and confidence.”

+
\ No newline at end of file diff --git a/Backend/views/ejs/contact.ejs b/Backend/views/ejs/contact.ejs index 1e81da5..abd8017 100644 --- a/Backend/views/ejs/contact.ejs +++ b/Backend/views/ejs/contact.ejs @@ -10,20 +10,14 @@
+

Reach us

-

Email: hello@edusparkacademy.com

-

Phone: +91 98765 43210

-

Address: 14 Learning Avenue, Bengaluru

-
-
-

Office hours

-

Monday to Friday: 9:00 AM - 6:00 PM

-

Saturday: 10:00 AM - 2:00 PM

-

Sunday: Closed

-
-
+

Email:gururajsureshlande@gmail.com

+

Email:riteshworking247@gmail.com

+
+ -
+

-
+
diff --git a/Backend/views/ejs/download.ejs b/Backend/views/ejs/download.ejs index 2bdfd8d..a2cd7c1 100644 --- a/Backend/views/ejs/download.ejs +++ b/Backend/views/ejs/download.ejs @@ -7,9 +7,11 @@ -
-

EduSpark

-
+
+
+

EduSpark

+ <%let i = 0%> <%for(let q of question){%> <%if(typeof q === 'string'){i=0%> @@ -25,7 +27,7 @@ <%}else{%> <% if(q.hasImage == "yes"){i=i+1;%>

(<%=i%>)<%=q.questionText%>

- question image
+ question image
<%}else{%> <%i=i+1;%>

(<%=i%>)<%=q.questionText%>


diff --git a/Backend/views/ejs/index.ejs b/Backend/views/ejs/index.ejs index d73d009..f9ce6f6 100644 --- a/Backend/views/ejs/index.ejs +++ b/Backend/views/ejs/index.ejs @@ -5,13 +5,16 @@ EduSpark + -
- -

-

EduSpark

+
+ +

+ +

EduSpark

<%let i = 0%> <%for(let q of question){%> @@ -28,7 +31,7 @@ <%}else{%> <% if(q.hasImage == "yes"){i=i+1;%>

(<%=i%>) <%=q.questionText%>

- question image
+ question image
<%}else{%> <%i=i+1;%>

(<%=i%>) <%=q.questionText%>


diff --git a/Backend/logo.jpeg b/Backend/views/includes/logo.jpeg similarity index 100% rename from Backend/logo.jpeg rename to Backend/views/includes/logo.jpeg diff --git a/Backend/views/includes/navbar.ejs b/Backend/views/includes/navbar.ejs index f217635..ade7e98 100644 --- a/Backend/views/includes/navbar.ejs +++ b/Backend/views/includes/navbar.ejs @@ -2,7 +2,8 @@
- E + EduSpark