Q: You are presented with the quiz "What does an animal require food for?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an animal requires nutrients to grow and heal" and "food is the ideal source of nutrients". So, what's the best answer to the question?

Possible answers: A). hydration B). to grow and heal C). for cold D). aerobic capacity E). organic molecules F). food and shelter G). to chill H). for electricity
The answer is:
B).