Top 50 Science GK Questions and Answers in English Part 2nd
Here are 50 General knowledge Questions Related to Science with Answer options.
1. What is the chemical symbol for gold?
a) Au
b) Ag
c) Fe
d) Pt
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2. Who is known as the father of modern physics?
a) Isaac Newton
b) Albert Einstein
c) Galileo Galilei
d) Marie Curie
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3. Which planet is known as the “Red Planet”?
a) Earth
b) Mars
c) Venus
d) Jupiter
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4. What is the process by which plants make their own food using sunlight?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Germination
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5. Which gas do plants absorb from the atmosphere during photosynthesis?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
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6. The Earth’s outermost layer is called the:
a) Mantle
b) Core
c) Crust
d) Lithosphere
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7. What is the chemical symbol for water?
a) H2O
b) CO2
c) O2
d) CH4
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8. What force keeps planets in orbit around the Sun?
a) Gravitational force
b) Magnetic force
c) Electrostatic force
d) Nuclear force
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9. Which gas makes up the majority of Earth’s atmosphere?
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Hydrogen
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10. What is the smallest particle of an element that retains its chemical properties?
a) Atom
b) Molecule
c) Electron
d) Proton
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11. Who is famous for his laws of motion and universal gravitation?
a) Isaac Newton
b) Albert Einstein
c) Thomas Edison
d) Benjamin Franklin
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12. Which gas is responsible for the ozone layer depletion?
a) Oxygen
b) Nitrogen
c) Chlorofluorocarbons (CFCs)
d) Carbon dioxide
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13. What is the chemical symbol for silver?
a) Ag
b) Si
c) Al
d) Sr
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14. What is the study of the Earth’s physical structure and processes called?
a) Biology
b) Geology
c) Meteorology
d) Astronomy
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15. Which is the smallest planet in our solar system?
a) Earth
b) Venus
c) Mercury
d) Mars
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16. What is the process by which plants lose water vapor through their leaves?
a) Transpiration
b) Respiration
c) Perspiration
d) Evaporation
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17. What is the chemical symbol for carbon dioxide?
a) CO2
b) O2
c) H2O
d) N2
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18. What is the Powerhouse of the cell where energy is produced?
a) Nucleus
b) Mitochondria
c) Chloroplast
d) Golgi apparatus
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19. Which element is the most abundant in the Earth’s crust?
a) Oxygen
b) Silicon
c) Aluminum
d) Iron
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20. What is the chemical formula for common table salt?
a) NaCl
b) KCl
c) H2SO4
d) H2O
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21. Who developed the theory of relativity?
a) Isaac Newton
b) Albert Einstein
c) Galileo Galilei
d) Stephen Hawking
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22. Which gas is responsible for the greenhouse effect on Earth?
a) Oxygen
b) Nitrogen
c) Methane
d) Carbon dioxide
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23. What is the chemical symbol for iron?
a) Fe
b) Zn
c) Pb
d) Ag
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24. Which gas do humans exhale when they breathe out?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
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25. What is the largest planet in our solar system?
a) Earth
b) Venus
c) Mercury
d) Jupiter
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26. What is the chemical symbol for helium?
a) He
b) H
c) Ne
d) Ar
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27. Who is known for the discovery of the double helix structure of DNA?
a) Albert Einstein
b) Marie Curie
c) James Watson and Francis Crick
d) Charles Darwin
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28. Which gas is essential for respiration in humans?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
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29. What is the process by which an organism develops from a fertilized egg?
a) Photosynthesis
b) Respiration
c) Reproduction
d) Development
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30. What is the chemical symbol for sodium?
a) Na
b) Ni
c) Sn
d) K
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31. Which planet is known as the “Morning Star” and “Evening Star”?
a) Earth
b) Mars
c) Venus
d) Jupiter
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32. What is the chemical formula for methane, a flammable gas?
a) CH4
b) CO2
c) H2O
d) N2
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33. Who is considered the father of modern chemistry?
a) Antoine Lavoisier
b) Isaac Newton
c) Dmitri Mendeleev
d) Galileo Galilei
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34. What is the process of conversion of a solid into a gas without passing through the liquid state called?
a) Sublimation
b) Evaporation
c) Condensation
d) Fusion
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35. Which gas is known as “laughing gas” and is used as an anesthetic?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Nitrous oxide (N2O)
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36. What is the chemical symbol for lead?
a) Li
b) Pb
c) Pt
d) Po
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37. Which scientist is famous for his theory of evolution by natural selection?
a) Albert Einstein
b) Marie Curie
c) Charles Darwin
d) Gregor Mendel
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38. What is the chemical formula for sulfuric acid?
a) H2SO4
b) NaCl
c) HCl
d) C6H12O6
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39. What is the force that opposes the motion of an object through a fluid (liquid or gas)?
a) Friction
b) Gravity
c) Inertia
d) Tension
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40. Which gas do plants release during the process of photosynthesis?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
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41. Who is known for the discovery of radioactivity and the elements radium and polonium?
a) Isaac Newton
b) Marie Curie
c) Albert Einstein
d) Thomas Edison
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42. What is the chemical symbol for potassium?
a) K
b) P
c) Ko
d) Ka
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43. What is the study of the behavior and properties of matter called?
a) Biology
b) Physics
c) Chemistry
d) Geology
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44. Which gas is known as “the silent killer” because it is odorless and colorless?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Carbon monoxide (CO)
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45. Who is known for the laws of electromagnetic induction and the development of the electric generator?
a) Nikola Tesla
b) Thomas Edison
c) Benjamin Franklin
d) Michael Faraday
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46. What is the chemical symbol for copper?
a) Cu
b) Co
c) Cr
d) Cd
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47. What is the fundamental particle that carries an electrical charge in an atom?
a) Neutron
b) Electron
c) Proton
d) Photon
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48. Who is known for the discovery of penicillin, the first antibiotic?
a) Albert Einstein
b) Marie Curie
c) Alexander Fleming
d) Louis Pasteur
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49. What is the chemical formula for the gas ammonia?
a) NH3
b) NO2
c) CO2
d) H2SO4
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50. What is the branch of science that studies the Earth’s atmosphere and weather patterns?
a) Biology
b) Meteorology
c) Geology
d) Astronomy
Answer:
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I hope these Questions and Answers will help you test your Knowledge about different Science topics!