11. What is the name of the theory that explains the origin of the universe?
A) The Big Bang Theory
B) The Theory of Evolution
C) The Theory of Relativity
D) The Theory of Plate Tectonics
Answer: A) The Big Bang Theory
12. Who discovered the first successful vaccine for smallpox?
A) Louis Pasteur
B) Edward Jenner
C) Robert Koch
D) Joseph Lister
Answer: B) Edward Jenner
13. Who discovered the laws of heredity?
A) Gregor Mendel
B) Charles Darwin
C) Louis Pasteur
D) Robert Koch
Answer: A) Gregor Mendel
14. What is the name of the process by which organisms break down food to release energy?
A) Respiration
B) Photosynthesis
C) Fermentation
D) Digestion
Answer: A) Respiration
15. Who discovered the principle of conservation of energy?
A) James Clerk Maxwell
B) Michael Faraday
C) Isaac Newton
D) Hermann von Helmholtz
Answer: D) Hermann von Helmholtz
