1. Who developed the theory of relativity?
- A) Isaac Newton
- B) Nikola Tesla
- C) Albert Einstein
- D) Stephen Hawking
Answer: C) Albert Einstein
2. What is the chemical symbol for gold?
- A) Au
- B) Ag
- C) Fe
- D) Pb
Answer: A) Au
3. Charles Darwin is famous for developing which theory?
- A) Theory of Gravity
- B) Theory of Evolution by Natural Selection
- C) Germ Theory
- D) Atomic Theory
Answer: B) Theory of Evolution by Natural Selection
4. What is the strongest force in the universe?
- A) Electromagnetic force
- B) Gravitational force
- C) Weak nuclear force
- D) Strong nuclear force
Answer: D) Strong nuclear force
5. Who is credited with discovering penicillin, the first widely used antibiotic?
- A) Louis Pasteur
- B) Alexander Fleming
- C) Marie Curie
- D) Joseph Lister
Answer: B) Alexander Fleming
6. How many planets are in our solar system?
- A) 8
- B) 9
- C) 7
- D) 10
Answer: A) 8
7. What is the most abundant gas in Earth’s atmosphere?
- A) Oxygen
- B) Nitrogen
- C) Carbon Dioxide
- D) Hydrogen
Answer: B) Nitrogen
8. What is the hardest natural substance known on Earth?
- A) Steel
- B) Diamond
- C) Graphite
- D) Quartz
Answer: B) Diamond
9. Isaac Newton famously formulated the Laws of Motion. How many laws did he propose?
- A) 2
- B) 3
- C) 4
- D) 5
Answer: B) 3
10. Marie Curie was awarded two Nobel Prizes in which fields?
- A) Physics and Chemistry
- B) Medicine and Physics
- C) Chemistry and Medicine
- D) Physics and Mathematics
Answer: A) Physics and Chemistry
11. What is the chemical formula for water?
- A) CO₂
- B) H₂O
- C) NaCl
- D) O₂
Answer: B) H₂O
12. Which element is known as the building block of life?
- A) Oxygen
- B) Carbon
- C) Hydrogen
- D) Nitrogen
Answer: B) Carbon
13. The speed of light in a vacuum is approximately:
- A) 186,000 miles per second
- B) 300,000 miles per second
- C) 150,000 miles per second
- D) 120,000 miles per second
Answer: A) 186,000 miles per second (or approximately 299,792 kilometers per second)
14. Who is credited with the discovery of the law of universal gravitation?
- A) Albert Einstein
- B) Isaac Newton
- C) Galileo Galilei
- D) Johannes Kepler
Answer: B) Isaac Newton
15. What is the smallest unit of matter that retains the properties of an element?
- A) Atom
- B) Molecule
- C) Electron
- D) Proton
Answer: A) Atom
16. Gregor Mendel is known as the father of modern genetics for his studies on which plant?
- A) Wheat
- B) Corn
- C) Pea plants
- D) Rice
Answer: C) Pea plants
17. The Higgs boson, sometimes referred to as the “God particle”, was discovered in which year?
- A) 2005
- B) 2012
- C) 1998
- D) 2015
Answer: B) 2012
18. Which planet in our solar system has the most moons?
- A) Mars
- B) Jupiter
- C) Saturn
- D) Neptune
Answer: C) Saturn (Saturn surpassed Jupiter in 2019 with 83 confirmed moons)
19. Which scientist is credited with formulating the periodic table of elements?
- A) Niels Bohr
- B) Marie Curie
- C) Dmitri Mendeleev
- D) Ernest Rutherford
Answer: C) Dmitri Mendeleev
20. What type of galaxy is the Milky Way?
- A) Elliptical
- B) Spiral
- C) Irregular
- D) Lenticular
Answer: B) Spiral
