50+ GK Questions on National Science Day with Answers & Explanation
Here are most relevant GK Questions on National Science Day with explanations for students. These questions are useful for school exams, quiz competitions, and general awareness practice.
Ques 1. When is National Science Day celebrated in India?
Answer: 28 February
Explanation: It is celebrated on 28 February every year to honor a major scientific discovery.
Ques 2. Why is National Science Day celebrated on 28 February?
Answer: To mark the discovery of the Raman Effect.
Explanation: On this day in 1928, C. V. Raman discovered the Raman Effect.
Ques 3. Who discovered the Raman Effect?
Answer: Sir C. V. Raman
Explanation: He was a famous Indian physicist who won the Nobel Prize.
Ques 4. In which year was the Raman Effect discovered?
Answer: 1928
Explanation: The discovery was announced on 28 February 1928.
Ques 5. In which year did India first celebrate National Science Day?
Answer: 1987
Explanation: The Government of India started celebrating it in 1987.
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Ques 6. Who was the first Indian to win a Nobel Prize in Science?
Answer: C. V. Raman
Explanation: He won the Nobel Prize in Physics in 1930.
Ques 7. The Raman Effect is related to which subject?
Answer: Physics
Explanation: It studies how light changes when it passes through a substance.
Ques 8. What is the main aim of National Science Day?
Answer: To promote scientific awareness.
Explanation: It encourages students to learn and think scientifically.
Ques 9. Which organization supports science development in India?
Answer: Department of Science and Technology (DST)
Explanation: DST works under the Government of India.
Ques 10. What is a common activity on National Science Day in schools?
Answer: Science quiz competitions
Explanation: Schools organize quizzes to test knowledge.
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Ques 11. Who is known as the Missile Man of India?
Answer: Dr. A. P. J. Abdul Kalam
Explanation: He played a key role in India’s missile programs.
Ques 12. Who is known as the Father of India’s Nuclear Program?
Answer: Homi J. Bhabha
Explanation: He started nuclear research in India.
Ques 13. What is scientific temper?
Answer: Thinking logically and asking questions.
Explanation: It means believing in facts and evidence.
Ques 14. Which award is given for excellence in science in India?
Answer: Shanti Swarup Bhatnagar Prize
Explanation: It is one of the highest science awards in India.
Ques 15. What is the full form of ISRO?
Answer: Indian Space Research Organisation
Explanation: It handles India’s space missions.
Ques 16. Who was India’s first woman scientist to go to space?
Answer: Kalpana Chawla
Explanation: She was an astronaut of Indian origin.
Ques 17. Which Indian scientist won the Nobel Prize in Chemistry in 2009?
Answer: Venkatraman Ramakrishnan
Explanation: He studied the structure of ribosomes.
Ques 18. Which Indian physicist contributed to quantum statistics?
Answer: Satyendra Nath Bose
Explanation: The term “Boson” comes from his name.
Ques 19. What is innovation?
Answer: Creating new ideas or methods.
Explanation: Innovation helps in development and progress.
Ques 20. Which planet is known as the Red Planet?
Answer: Mars
Explanation: It looks red because of iron oxide.
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Ques 21. What is the SI unit of force?
Answer: Newton
Explanation: Named after scientist Isaac Newton.
Ques 22. What is the chemical symbol for water?
Answer: H₂O
Explanation: It has two hydrogen atoms and one oxygen atom.
Ques 23. What is photosynthesis?
Answer: Process by which plants make food.
Explanation: Plants use sunlight to produce energy.
Ques 24. Who invented the telephone?
Answer: Alexander Graham Bell
Explanation: He invented it in 1876.
Ques 25. What is the speed of light?
Answer: 3 × 10⁸ m/s
Explanation: Light travels very fast in vacuum.
Ques 26. What is gravity?
Answer: Force that pulls objects toward Earth.
Explanation: It keeps us on the ground.
Ques 27. Who proposed the theory of relativity?
Answer: Albert Einstein
Explanation: It changed our understanding of space and time.
Ques 28. Which vitamin is produced by sunlight?
Answer: Vitamin D
Explanation: Our body makes it when exposed to sunlight.
Ques 29. What is the largest planet in our solar system?
Answer: Jupiter
Explanation: It is a gas giant.
Ques 30. Which gas do humans need to breathe?
Answer: Oxygen
Explanation: It is essential for life.
Ques 31. What is the boiling point of water?
Answer: 100°C
Explanation: At normal pressure, water boils at 100°C.
Ques 32. What is the full form of DNA?
Answer: Deoxyribonucleic Acid
Explanation: It carries genetic information.
Ques 33. Who discovered gravity?
Answer: Isaac Newton
Explanation: He observed a falling apple.
Ques 34. What is renewable energy?
Answer: Energy from natural sources.
Explanation: Like solar and wind energy.
Ques 35. What is the main source of energy for Earth?
Answer: The Sun
Explanation: It provides light and heat.
Ques 36. Which Indian mission reached Mars in 2014?
Answer: Mangalyaan
Explanation: It was India’s first Mars mission.
Ques 37. What is the study of plants called?
Answer: Botany
Explanation: It is a branch of biology.
Ques 38. What is the study of animals called?
Answer: Zoology
Explanation: It focuses on animal life.
Ques 39. What is a microscope used for?
Answer: To see tiny objects
Explanation: It makes small things look bigger.
Ques 40. What is pollution?
Answer: Contamination of environment.
Explanation: It harms nature and health.
Ques 41. Which Indian scientist is known for the Green Revolution?
Answer: M. S. Swaminathan
Explanation: He improved farming methods.
Ques 42. What is the smallest unit of life?
Answer: Cell
Explanation: All living beings are made of cells.
Ques 43. What is the hardest natural substance?
Answer: Diamond
Explanation: It is very strong.
Ques 44. What is the full form of NASA?
Answer: National Aeronautics and Space Administration
Explanation: It is the US space agency.
Ques 45. What is an atom?
Answer: Smallest unit of matter
Explanation: Everything is made of atoms.
Ques 46. What is the function of the heart?
Answer: To pump blood
Explanation: It supplies oxygen to the body.
Ques 47. What is artificial intelligence (AI)?
Answer: Machines that can think like humans.
Explanation: AI is used in technology and robotics.
Ques 48. Which branch of science studies chemicals?
Answer: Chemistry
Explanation: It studies substances and reactions.
Ques 49. What is global warming?
Answer: Increase in Earth’s temperature
Explanation: Caused by greenhouse gases.
Ques 50. Why is National Science Day important for students?
Answer: It encourages learning and curiosity.
Explanation: It inspires students to explore science and innovation.
National Science Day 2026 related FAQs
1. What is National Science Day and why is it celebrated?
National Science Day is celebrated on 28 February every year in India to honor the discovery of the Raman Effect by Sir C. V. Raman. It promotes scientific thinking and awareness among students.
2. Why are GK questions on National Science Day important for students?
GK questions help students improve their general knowledge, logical thinking, and understanding of important scientific discoveries and Indian scientists.
3. What type of questions are asked in a National Science Day quiz competition?
Questions are usually based on Indian scientists, important discoveries, inventions, basic science concepts, and current developments in science and technology.
4. How can students prepare for national science quiz questions with answers?
Students can read science textbooks, learn about famous Indian scientists, practice previous quiz questions, and revise basic concepts of physics, chemistry, and biology.
5. Are world science day quiz questions also included in competitions?
Yes, sometimes schools include world science day quiz questions to help students understand global scientific achievements along with India’s contributions.
