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[Class 9] Prove that √2 is irrational.
Assume √2 is rational, so √2 = p/q where p,q are coprime integers. Then 2q² = p², making p even. This leads to contradiction showing √2 is irrational.
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Long
Basic: What is democracy?
Democracy is a form of government where power lies with the people who elect their representatives.
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Short
Basic: __________ is the smallest unit of an element.
Atom
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FillUps
[Class 11] What is federalism?
Federalism is a system where power is divided between central and state governments.
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Short
Fundamentals: A fuse wire has a high melting point.
False
true
false
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True/False
Basic: Define reproduction.
Reproduction is the biological process by which organisms produce offspring.
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Short
Advanced: The capacity to do work is called ________.
energy
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FillUps
[Class 12] Explain personification.
Personification gives human qualities to non-human things.
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Short
Basic: The sum of angles in a triangle is 180°.
True
true
false
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True/False
Advanced: The value of π is approximately ________.
3.14159
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FillUps
[Class 7] What is democracy?
Democracy is a form of government where power lies with the people who elect their representatives.
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Short
[Class 12] The ________ voice shows the subject performing action.
active
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FillUps
[Class 9] __________ lens is used to correct myopia.
Concave
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FillUps
[Class 10] The area of a circle is πr².
True
true
false
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True/False
[Class 8] Define arithmetic progression.
A sequence where each term after the first is obtained by adding a constant to the previous term.
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Short
[Class 9] The green pigment in plants is called ________.
chlorophyll
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FillUps
हिंदी की मूल लिपि ________ है।
देवनागरी
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FillUps
[Class 8] Energy can be created or destroyed.
False
true
false
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True/False
[Class 10] छंद की परिभाषा दें।
अक्षरों की संख्या और क्रम तथा मात्रा की नियमित व्यवस्था को छंद कहते हैं।
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Short
[Class 8] The unit of electric current is ________.
ampere
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FillUps
[Class 11] Explain the elements of a short story.
A short story contains characters, setting, plot, conflict, theme, and resolution, creating a complete narrative in brief form.
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Long
[Class 8] Explain the formation of monsoons in India.
Indian monsoons form due to differential heating of land and sea, creating low pressure over land and high pressure over ocean, causing moisture-laden winds.
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Long
[Class 11] A ________ is a story of someone's life written by another person.
biography
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FillUps
Basic: What is an acid?
An acid is a substance that releases hydrogen ions (H⁺) when dissolved in water.
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Short
According to NCERT: Define reproduction.
Reproduction is the biological process by which organisms produce offspring.
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Short
Fundamentals: A metaphor uses 'like' or 'as'.
False
true
false
null
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True/False
Fundamentals: __________ effect is the emission of electrons by metals.
Photoelectric
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FillUps
[Class 10] All paragraphs need topic sentences.
True
true
false
null
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True/False
Fundamentals: The ________ voice shows the subject performing action.
active
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FillUps
Basic: Define alliteration.
Alliteration is the repetition of initial consonant sounds in words.
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Short
[Class 11] The Battle of Plassey was fought in ________.
1757
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FillUps
Fundamentals: The unit of electric current is ________.
ampere
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FillUps
Advanced: The HCF of 12 and 18 is ________.
6
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FillUps
Fundamentals: __________ ensures separation of powers in democracy.
Checks and balances
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[Class 8] __________ winds bring rainfall to India during summer.
Monsoon
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[Class 9] __________ was the last Mughal emperor.
Bahadur Shah Zafar
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FillUps
[Class 11] Describe the structure of Earth's atmosphere.
Earth's atmosphere has layers: troposphere, stratosphere, mesosphere, thermosphere, and exosphere, each with distinct characteristics and functions.
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Long
[Class 9] Mahatma Gandhi was born in 1869.
True
true
false
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True/False
[Class 10] What is democracy?
Democracy is a form of government where power lies with the people who elect their representatives.
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Short
[Class 9] Define citizenship.
Citizenship is the legal status of being a member of a country with rights and duties.
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Short
According to NCERT: What is democracy?
Democracy is a form of government where power lies with the people who elect their representatives.
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Short
[Class 6] The President of India is elected directly by people.
False
true
false
null
null
True/False
Fundamentals: __________ scale measures earthquake intensity.
Richter
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FillUps
[Class 8] Whenever a ________ change occurs, we say that a chemical reaction has taken place.
chemical
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FillUps
Fundamentals: Define work in physics.
Work is the product of force and displacement in the direction of force.
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Short
Fundamentals: __________ is the minimum age for becoming Prime Minister.
25 years
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FillUps
[Class 11] Catalyst increases the rate of reaction.
True
true
false
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True/False
[Class 8] What is refraction of light?
Refraction is the bending of light when it passes from one medium to another.
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Short
[Class 6] Monsoons bring rainfall to India.
True
true
false
null
null
True/False
[Class 8] गद्य और पद्य साहित्य के दो मुख्य भेद हैं।
True
true
false
null
null
True/False
[Class 11] Energy can be created or destroyed.
False
true
false
null
null
True/False
[Class 11] हिंदी देवनागरी लिपि में लिखी जाती है।
True
true
false
null
null
True/False
[Class 11] Vertical angles are equal.
True
true
false
null
null
True/False
Prove that √2 is irrational.
Assume √2 is rational, so √2 = p/q where p,q are coprime integers. Then 2q² = p², making p even. This leads to contradiction showing √2 is irrational.
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Long
According to NCERT: रामायण महाकाव्य है।
True
true
false
null
null
True/False
[Class 8] The sum of first n natural numbers is ________.
n(n+1)/2
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FillUps
According to NCERT: The Arctic Ocean is the largest ocean.
False
true
false
null
null
True/False
[Class 12] अलंकार का क्या अर्थ है?
अलंकार का अर्थ है आभूषण, जो काव्य की शोभा बढ़ाता है।
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Short
Basic: हिंदी में 52 अक्षर हैं।
True
true
false
null
null
True/False
[Class 8] What is the water cycle?
The water cycle is the continuous movement of water through evaporation, condensation, and precipitation.
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Short
[Class 6] Words opposite in meaning are called ________.
antonyms
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FillUps
[Class 7] What is the principle of conservation of energy?
Energy can neither be created nor destroyed, only transformed from one form to another.
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Short
[Class 12] The Supreme Court is the highest judicial authority.
True
true
false
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True/False
[Class 12] Why do fishes die when taken out of water?
They cannot breathe outside water because their gills collapse.
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Short
Basic: Describe the importance of fundamental rights.
Fundamental rights protect individual liberty, ensure equality, provide remedies against state actions, and form the foundation of democratic governance.
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Long
[Class 7] Explain the causes of the First World War.
The First World War was caused by imperialism, alliance system, nationalism, and the immediate trigger of Archduke Franz Ferdinand's assassination.
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Long
[Class 6] The speed of light in vacuum is ________ m/s.
3×10⁸
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FillUps
Advanced: The Mughal Empire was founded by Akbar.
False
true
false
null
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True/False
According to NCERT: Explain the term alloy.
An alloy is a homogeneous mixture of two or more metals or a metal with a non-metal.
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Short
[Class 12] Describe the human respiratory system.
The human respiratory system includes nose, trachea, bronchi, bronchioles, and alveoli where gas exchange occurs.
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Long
According to NCERT: The formula for area of triangle is ________.
½×base×height
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FillUps
According to NCERT: The Lok Sabha has a maximum of ________ members.
552
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FillUps
[Class 6] The Constitution of India was adopted on 26 January 1950.
True
true
false
null
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True/False
[Class 9] Bacteria are unicellular organisms.
True
true
false
null
null
True/False
[Class 9] Why do fishes die when taken out of water?
They cannot breathe outside water because their gills collapse.
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Short
[Class 7] __________ is the highest mountain peak in the world.
Mount Everest
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FillUps
[Class 7] Poetry always rhymes.
False
true
false
null
null
True/False