Zinc is necessary for which of the following?

Question

Multiple choice question.

Wound healing

Vision

Hair growth

Answer 1

Zinc is necessary for all of the following:

1. Wound healing
2. Vision
3. Hair growth

So, if you are looking for a single answer, you can state that zinc is necessary for all of them. However, if you have to choose one, "Wound healing" is often considered the most prominent function related to zinc.