In short: 100 general knowledge questions with answers for Class 8 students, organised into five sections - science, modern Indian history, geography, world knowledge, and current affairs. This is the hardest level in the Class 6-8 GK series, designed for students preparing for Olympiads, scholarship exams, and the transition to Class 9 board-level studies.
Why Class 8 GK Is Exam-Critical
Class 8 is the last year before board exam preparation begins. It is also the year when students typically sit for their most competitive school-level exams - SOF Olympiads, Unified Council, Silverzone, and state-level scholarship tests like NMMS (National Means-cum-Merit Scholarship).
All of these exams include a general awareness section that tests knowledge beyond the textbook. The Class 8 NCERT syllabus covers modern Indian history, the Constitution, force and pressure, microorganisms, metals and non-metals, and agricultural practices. GK questions at this level should build on this foundation.
These 100 questions are harder than the Class 6 and 7 sets. They expect students to know about India's freedom struggle in detail, understand basic constitutional concepts, recall scientific facts at a deeper level, and stay aware of current affairs.
Science GK for Class 8
Class 8 science covers force and pressure, friction, sound, light, chemical effects of electric current, and more. These questions test application-level understanding.
| # | Question | Answer |
|---|---|---|
| 1 | What are microorganisms that cause diseases called? | Pathogens |
| 2 | Which force acts on a body moving through air and opposes its motion? | Air resistance (drag) |
| 3 | What is the SI unit of pressure? | Pascal (Pa) |
| 4 | Which metal is used for galvanisation to prevent rusting? | Zinc |
| 5 | What type of friction is the weakest - static, sliding, or rolling? | Rolling friction |
| 6 | Which cell organelle is called the "suicide bag" of the cell? | Lysosome |
| 7 | What is the chemical name of baking soda? | Sodium bicarbonate (NaHCO3) |
| 8 | Which non-metal is essential for our breathing and is found in the air? | Oxygen |
| 9 | What happens to the pitch of a sound when its frequency increases? | Pitch increases |
| 10 | Which type of coal has the highest carbon content? | Anthracite |
| 11 | What is the minimum frequency of sound that the human ear can hear? | 20 Hz |
| 12 | Which gas is produced when metals react with acids? | Hydrogen gas |
| 13 | What is the electroplating process used for? | Coating a layer of one metal over another to prevent corrosion or improve appearance |
| 14 | Which crop rotation practice helps restore nitrogen in the soil? | Growing legumes (they have nitrogen-fixing bacteria in root nodules) |
| 15 | What is the phenomenon of bending of light as it passes from one medium to another called? | Refraction |
| 16 | Which planet is called the "Blue Planet"? | Earth (due to water covering 71% of its surface) |
| 17 | What material is a good insulator of electricity - copper, iron, or rubber? | Rubber |
| 18 | What is the full form of CNG used as fuel? | Compressed Natural Gas |
| 19 | Which disease is caused by the deficiency of Vitamin C? | Scurvy |
| 20 | What is the process of obtaining pure liquid from a solution by heating and cooling called? | Distillation |
Modern Indian History GK for Class 8
Class 8 NCERT history focuses on modern India - British rule, the freedom struggle, and the formation of the Indian nation. These questions test detailed knowledge.
| # | Question | Answer |
|---|---|---|
| 1 | When was the Indian Constitution adopted? | 26 November 1949 (came into effect on 26 January 1950) |
| 2 | Who is known as the "Father of the Indian Constitution"? | Dr. B.R. Ambedkar |
| 3 | What was the Rowlatt Act of 1919? | A law that allowed the British to imprison anyone without trial for up to two years |
| 4 | Who founded the Arya Samaj? | Swami Dayanand Saraswati (1875) |
| 5 | What was the "Doctrine of Lapse" introduced by? | Lord Dalhousie |
| 6 | Which event is considered the First War of Indian Independence? | The Revolt of 1857 (Sepoy Mutiny) |
| 7 | Who started the "Self-Respect Movement" in South India? | Periyar (E.V. Ramasamy) |
| 8 | What was the main demand of the Quit India Movement (1942)? | Immediate end to British rule in India |
| 9 | Who founded the Brahmo Samaj? | Raja Ram Mohan Roy (1828) |
| 10 | Which social reformer worked against the practice of Sati? | Raja Ram Mohan Roy |
| 11 | What was the Simon Commission, and why was it boycotted? | A British commission with no Indian members; Indians demanded representation in their own governance |
| 12 | Who gave the slogan "Inquilab Zindabad" (Long Live the Revolution)? | Bhagat Singh (popularised it) |
| 13 | Which act established separate electorates for Muslims in British India? | Indian Councils Act (Morley-Minto Reforms) of 1909 |
| 14 | Who was the first Indian woman to become a doctor? | Anandi Gopal Joshi (1886) |
| 15 | What did the Government of India Act of 1935 establish? | Provincial autonomy and a federal structure (the basis for independent India's Constitution) |
| 16 | Who founded the Indian National Army (Azad Hind Fauj)? | Subhas Chandra Bose (reorganised it in 1943) |
| 17 | What is the Right to Information (RTI) Act? | A law (2005) that allows citizens to request information from government bodies |
| 18 | Which movement was launched by Gandhiji in Champaran, Bihar? | Champaran Satyagraha (1917), against indigo plantation exploitation |
| 19 | Who wrote the book "Hind Swaraj"? | Mahatma Gandhi |
| 20 | What does "Satyagraha" mean? | Insistence on truth; a form of non-violent resistance |
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Geography and Environment GK for Class 8
Class 8 geography covers resources, agriculture, industries, and human resource development. These questions expect understanding of India's physical and economic geography.
| # | Question | Answer |
|---|---|---|
| 1 | What are the three types of resources based on origin? | Natural, human-made, and human resources |
| 2 | Which soil type is found in the Deccan Plateau and is ideal for cotton cultivation? | Black soil (Regur soil) |
| 3 | What is sustainable development? | Development that meets present needs without compromising the ability of future generations to meet their needs |
| 4 | Which is the most abundant mineral on Earth? | Feldspar (in the crust); iron (overall) |
| 5 | What are renewable resources? Give two examples. | Resources that can be replenished naturally. Examples: solar energy, wind energy |
| 6 | Which Indian state is the largest producer of tea? | Assam |
| 7 | What is the Green Revolution? | Use of high-yielding variety seeds, fertilisers, and irrigation to increase food production (1960s-70s in India) |
| 8 | Which dam is the tallest in India? | Tehri Dam (Uttarakhand, 260.5 metres) |
| 9 | What is deforestation and why is it harmful? | Clearing of forests; causes soil erosion, loss of biodiversity, and contributes to climate change |
| 10 | Which mineral is used to generate nuclear energy? | Uranium |
| 11 | What is the "rain shadow" region? | The dry area on the leeward side of a mountain that receives little rainfall |
| 12 | Which industry is called the "backbone of modern industry"? | Iron and steel industry |
| 13 | What are the Tropic of Cancer and Tropic of Capricorn? | Imaginary lines at 23.5 degrees North and South latitude respectively |
| 14 | Which Indian city is known as the "Silicon Valley of India"? | Bengaluru (Bangalore) |
| 15 | What is the full form of GDP? | Gross Domestic Product |
| 16 | Which country has the largest reserves of crude oil? | Venezuela (proven reserves); Saudi Arabia is the largest exporter |
| 17 | What is an earthquake measured on? | Richter Scale |
| 18 | Which gas layer in the upper atmosphere protects us from UV radiation? | Ozone layer |
| 19 | What is the difference between a cyclone and a tornado? | Cyclone forms over warm ocean water and is larger; tornado forms over land and is narrower but more intense |
| 20 | What is the full form of ISRO? | Indian Space Research Organisation |
World Knowledge and Technology GK for Class 8
Class 8 students should know about world history basics, international relations, and technology milestones that shape the modern world.
| # | Question | Answer |
|---|---|---|
| 1 | In which year did World War I begin and end? | 1914 to 1918 |
| 2 | What is the United Nations and when was it established? | An international organisation for peace and cooperation, established in 1945 |
| 3 | Who invented the steam engine that powered the Industrial Revolution? | James Watt (improved it significantly) |
| 4 | What was the Cold War? | A period of political tension between the USA and USSR (1947-1991) without direct military conflict |
| 5 | Which country was the first to launch a satellite into space? | USSR (Soviet Union) - Sputnik 1 in 1957 |
| 6 | What is the International Space Station (ISS)? | A habitable space station in low Earth orbit, jointly operated by multiple countries |
| 7 | Who was the first person to circumnavigate the globe? | Ferdinand Magellan's expedition (though Magellan died during the voyage; Juan Sebastian Elcano completed it) |
| 8 | What is the European Union (EU)? | A political and economic union of 27 European countries |
| 9 | Which country built the first nuclear power plant for civilian use? | USSR (Obninsk Nuclear Power Plant, 1954) |
| 10 | What is NATO and what does it stand for? | North Atlantic Treaty Organization - a military alliance of Western nations |
| 11 | Who was Nelson Mandela? | The first black President of South Africa and anti-apartheid leader |
| 12 | What is the World Bank's primary purpose? | To provide financial and technical assistance to developing countries for development projects |
| 13 | Which wall divided Berlin from 1961 to 1989? | The Berlin Wall |
| 14 | What is the difference between hardware and software in computing? | Hardware is the physical components; software is the programs and instructions |
| 15 | What does AI (Artificial Intelligence) mean? | The ability of machines to perform tasks that normally require human intelligence |
| 16 | Which company developed ChatGPT? | OpenAI |
| 17 | What is cryptocurrency? | A digital currency that uses cryptography for security and operates without a central authority |
| 18 | Which country has the fastest bullet train (Shinkansen)? | Japan (though China has the fastest operational maglev) |
| 19 | What is the Internet of Things (IoT)? | A network of physical devices connected to the internet that can collect and share data |
| 20 | Who is the CEO of Tesla and SpaceX? | Elon Musk |
Current Affairs and Miscellaneous GK for Class 8
A well-prepared Class 8 student stays current. These questions cover 2024-2027 events, awards, Indian governance, and general trivia.
| # | Question | Answer |
|---|---|---|
| 1 | Who is the current President of India (as of 2027)? | Droupadi Murmu |
| 2 | Which three new criminal laws replaced the IPC, CrPC, and Indian Evidence Act in India in 2024? | Bharatiya Nyaya Sanhita, Bharatiya Nagarik Suraksha Sanhita, Bharatiya Sakshya Adhiniyam |
| 3 | What is Chandrayaan-3 and what did it achieve? | India's third lunar mission; it successfully soft-landed near the Moon's south pole in August 2023 |
| 4 | What does UPI stand for and why is it important? | Unified Payments Interface; it enables instant digital payments and has been adopted by multiple countries |
| 5 | Which Indian became the youngest World Chess Champion in 2024? | D. Gukesh |
| 6 | What is the Gaganyaan mission? | ISRO's programme to send Indian astronauts to space |
| 7 | Which country surpassed China to become the world's most populous country? | India (2023) |
| 8 | What is NEP 2020? | National Education Policy 2020; a comprehensive reform of India's education system introducing 5+3+3+4 structure |
| 9 | What are the Sustainable Development Goals (SDGs)? | 17 global goals set by the UN for 2030 to address poverty, inequality, climate change, and other challenges |
| 10 | Which Indian city hosted G20-related events in 2023? | New Delhi (India held G20 Presidency) |
| 11 | What is the Ayushman Bharat scheme? | Government health insurance providing up to ₹5 lakh per family per year for secondary and tertiary hospitalisation |
| 12 | Which Indian athlete won gold in javelin at the Tokyo 2020 Olympics? | Neeraj Chopra |
| 13 | What is the Paris Agreement about? | An international treaty on climate change, aiming to limit global temperature rise to 1.5 degrees Celsius |
| 14 | What are the five permanent members of the UN Security Council? | USA, UK, France, Russia, China |
| 15 | What is India's target year for net-zero carbon emissions? | 2070 |
| 16 | Which Nobel Prize was won by Abhijit Banerjee, an Indian-origin economist, in 2019? | Nobel Prize in Economics (Economic Sciences) |
| 17 | What is the Aadhaar card? | A 12-digit unique identity number issued to Indian residents by UIDAI, based on biometric data |
| 18 | Which is the newest state of India? | Telangana (formed in 2014 from Andhra Pradesh) |
| 19 | What is the full form of BRICS and which countries does it include? | Originally Brazil, Russia, India, China, South Africa; expanded in 2024 to include Egypt, Ethiopia, Iran, UAE |
| 20 | What is a startup unicorn? | A privately held startup company valued at over $1 billion |
Study Strategy for Class 8 GK
Read beyond the textbook daily. Spend 15 minutes each day reading a newspaper, news app, or educational website. This single habit builds more GK than any amount of last-minute cramming.
Make a "fact of the day" notebook. Write down one interesting fact every day. By the end of the year, you have 365 facts that are deeply embedded in your memory.
Connect current affairs to your syllabus. When you read about Chandrayaan-3, link it to your Class 8 science chapter on force and pressure. When you read about the Constitution, link it to your civics chapter. These connections make both GK and academics stronger.
Practise mock quizzes. Take 20 questions at a time, set a timer for 10 minutes, and test yourself. Speed and accuracy both improve with practice.
Discuss with classmates. Form a study group where each person brings 5 new GK facts every week. Peer learning is more effective and enjoyable than solo study.
Frequently Asked Questions
Are these questions enough for NMMS (National Means-cum-Merit Scholarship)?
These questions build a strong general awareness base. NMMS also tests mental ability and scholastic aptitude, so you will need additional preparation for those sections. But the GK covered here is relevant.
How is this harder than the Class 7 GK set?
Class 8 GK includes modern Indian history (British rule, freedom struggle), constitutional concepts (RTI, fundamental rights), technology topics (AI, cryptocurrency), and current affairs (2024-2027 events). Class 7 focuses on medieval history and more basic facts.
Can teachers use these in classroom quizzes?
Yes. These are designed for classroom quizzes, school assembly rounds, and inter-class competitions. The five-section format makes it easy to create balanced quiz rounds.
How often should I update my current affairs knowledge?
At the Class 8 level, a weekly summary is sufficient. Read or watch one current affairs roundup every week covering national, international, sports, and science news.
Where can I strengthen my subject knowledge?
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Class 8 is the gateway to serious academics. The GK you build now carries forward into Class 9, 10, and beyond. The habits you form this year - daily reading, active recall, connecting facts - determine how well you handle competitive exams later.
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