1. Which of the following terms refers to the process by which living
organisms convert food into energy for use by cells?
A) Fermentation
B) Photosynthesis
C) Metabolism
D) Replication
Correct Answer: C) Metabolism
Rationale: Metabolism is the overall process by which living organisms
convert food into energy that can be used by cells. This process involves
various biochemical reactions that are essential for the maintenance of
life.
2. What is the primary function of cellular respiration in organisms?
A) To produce oxygen
B) To convert sunlight into energy
C) To break down glucose and produce ATP
D) To synthesize