Everyday science and contributions of Indian scientists - Question Bank

1. What is the process of breaking down complex food substances into simpler ones called?
A) Synthesis
B) Digestion
C) Respiration
D) Fermentation
2. Who discovered the neutron?
A) Ernest Rutherford
B) James Chadwick
C) Niels Bohr
D) J.J. Thomson
3. What is the state of matter with the highest energy?
A) Solid
B) Liquid
C) Gas
D) Plasma
4. Which Indian scientist is considered the 'Father of Indian Botany'?
A) Jagadish Chandra Bose
B) Srinivasa Ramanujan
C) G. P. Majumdar
D) P. C. Mahalanobis
5. What is the process by which water vapor in the air is changed into liquid water?
A) Evaporation
B) Transpiration
C) Condensation
D) Precipitation
6. Who is known for the discovery of the structure of DNA?
A) Gregor Mendel
B) James Watson and Francis Crick
C) Charles Darwin
D) Louis Pasteur
7. What is the SI unit of temperature?
A) Celsius
B) Fahrenheit
C) Kelvin
D) Rankine
8. What is the phenomenon where light bends as it passes from one medium to another?
A) Reflection
B) Dispersion
C) Polarization
D) Refraction
9. Which Indian scientist pioneered research in radioactivity and discovered new radioactive elements?
A) C.V. Raman
B) Homi J. Bhabha
C) Satyendra Nath Bose
D) Prafulla Chandra Ray
10. What is the scientific study of living organisms called?
A) Geology
B) Astronomy
C) Biology
D) Physics
11. Who developed the first vaccine for smallpox?
A) Louis Pasteur
B) Edward Jenner
C) Robert Koch
D) Alexander Fleming
12. Which of the following is a chemical change?
A) Dissolving sugar in water
B) Freezing water
C) Burning paper
D) Melting wax
13. What is the main component of the Earth's atmosphere?
A) Oxygen
B) Carbon Dioxide
C) Nitrogen
D) Argon
14. Which Indian scientist is known for inventing the 'Vedic Clock'?
A) Srinivasa Ramanujan
B) Jagadish Chandra Bose
C) Vikram Sarabhai
D) A.P.J. Abdul Kalam
15. What is the unit of power?
A) Joule
B) Newton
C) Watt
D) Pascal
16. Who formulated the laws of planetary motion?
A) Isaac Newton
B) Galileo Galilei
C) Johannes Kepler
D) Nicolaus Copernicus
17. Which gas is essential for respiration in humans?
A) Carbon Dioxide
B) Oxygen
C) Nitrogen
D) Hydrogen
18. What is the process of a solid turning into a liquid called?
A) Freezing
B) Melting
C) Boiling
D) Condensation
19. Which Indian scientist is famous for his work on the 'Chandrasekhar Limit' in astrophysics?
A) Subrahmanyan Chandrasekhar
B) C.V. Raman
C) Homi J. Bhabha
D) Vikram Sarabhai
20. Who discovered penicillin?
A) Louis Pasteur
B) Robert Koch
C) Alexander Fleming
D) Jonas Salk
21. What is the process of converting solid directly into gas called?
A) Melting
B) Condensation
C) Evaporation
D) Sublimation
22. Which phenomenon explains why a spoon appears bent in a glass of water?
A) Reflection
B) Diffraction
C) Refraction
D) Dispersion
23. What is the primary source of energy for most ecosystems on Earth?
A) Geothermal energy
B) Nuclear energy
C) Solar energy
D) Wind energy
24. Which Indian scientist is known for his work on the theory of musical strings?
A) C.V. Raman
B) Srinivasa Ramanujan
C) Jagadish Chandra Bose
D) A.P.J. Abdul Kalam
25. What is the SI unit of force?
A) Joule
B) Watt
C) Pascal
D) Newton
26. What causes a rainbow to form?
A) Reflection of light by clouds
B) Refraction and reflection of sunlight by raindrops
C) Scattering of light by dust particles
D) Absorption of light by the atmosphere
27. Which Indian scientist developed the first indigenous radar?
A) Homi J. Bhabha
B) Jagadish Chandra Bose
C) Srinivasa Ramanujan
D) Vikram Sarabhai
28. What is the process of a gas turning into a liquid called?
A) Evaporation
B) Sublimation
C) Condensation
D) Freezing
29. What is the hardest natural substance on Earth?
A) Gold
B) Iron
C) Diamond
D) Quartz
30. Which natural phenomenon helps in the pollination of flowers by insects?
A) Gravity
B) Wind
C) Sunlight
D) Smell
31. What does the 'V' in C.V. Raman stand for?
A) Venkata
B) Vishweshwar
C) Venkateswara
D) Vardhan
32. Who is considered the 'Father of Indian Space Program'?
A) C.V. Raman
B) Homi J. Bhabha
C) Vikram Sarabhai
D) A.P.J. Abdul Kalam
33. Which of the following is a conductor of electricity?
A) Rubber
B) Wood
C) Copper
D) Plastic
34. What is the process of a liquid turning into a gas called?
A) Condensation
B) Solidification
C) Evaporation
D) Melting
35. What is the main cause of soil erosion?
A) Planting trees
B) Wind and water
C) Fertilizer use
D) Crop rotation
36. Which Indian scientist is renowned for his work on Bose-Einstein statistics?
A) C.V. Raman
B) Srinivasa Ramanujan
C) Satyendra Nath Bose
D) Vikram Sarabhai
37. Who is credited with the invention of the first practical incandescent light bulb?
A) Nikola Tesla
B) Thomas Edison
C) Alexander Graham Bell
D) Benjamin Franklin
38. What is the process by which plants make their own food?
A) Respiration
B) Fermentation
C) Photosynthesis
D) Digestion
39. Which gas is known as laughing gas?
A) Nitrogen dioxide
B) Nitrous oxide
C) Ammonia
D) Methane
40. What type of energy is stored in a battery?
A) Kinetic energy
B) Thermal energy
C) Chemical energy
D) Nuclear energy
41. Which Indian scientist made significant contributions to the understanding of the Raman Effect?
A) Homi J. Bhabha
B) Srinivasa Ramanujan
C) C.V. Raman
D) Jagadish Chandra Bose
42. What is the chemical symbol for water?
A) O2
B) CO2
C) H2O
D) NaCl
43. Who developed the theory of relativity?
A) Isaac Newton
B) Niels Bohr
C) Albert Einstein
D) Max Planck
44. What is the primary function of red blood cells in the human body?
A) Fighting infection
B) Clotting blood
C) Carrying oxygen
D) Producing antibodies
45. Which of the following is a renewable source of energy?
A) Coal
B) Natural Gas
C) Petroleum
D) Solar Power
46. What process is responsible for the formation of rain?
A) Evaporation
B) Condensation
C) Transpiration
D) Precipitation
47. Which Indian scientist is known as the 'Father of Indian Nuclear Science'?
A) C.V. Raman
B) Homi J. Bhabha
C) Satyendra Nath Bose
D) A.P.J. Abdul Kalam
48. What is the unit of electric current?
A) Volt
B) Ohm
C) Ampere
D) Watt
49. Which scientist is famously associated with the discovery of the law of buoyancy?
A) Isaac Newton
B) Archimedes
C) Galileo Galilei
D) Albert Einstein
50. What gas do plants primarily absorb from the atmosphere for photosynthesis?
A) Oxygen
B) Nitrogen
C) Carbon Dioxide
D) Hydrogen