36. What is the name of the process by which energy is transferred from one place to another without the need for a medium?
A) Conduction
B) Convection
C) Radiation
D) Reflection
Answer: C) Radiation
37. Who discovered the structure of DNA?
A) James Watson and Francis Crick
B) Rosalind Franklin
C) Linus Pauling
D) Watson and Franklin
Answer: A) James Watson and Francis Crick
38. What is the name of the process by which water changes from a liquid to a gas?
A) Melting
B) Freezing
C) Boiling
D) Condensation
Answer: C) Boiling
39. Who discovered the first successful treatment for smallpox?
A) Edward Jenner
B) Robert Koch
C) Louis Pasteur
D) Selman Waksman
Answer: A) Edward Jenner
40. What is the name of the process by which energy is transferred through a vacuum by electromagnetic waves?
A) Conduction
B) Convection
C) Radiation
D) Reflection
Answer: C) Radiation
