Multiple choice

Which of the following elements activates enzymes that are involved in photosynthesis, respiration and nitrogen metabolism?

  1. Chlorine

  2. Boron

  3. Zinc

  4. Iron

  5. Manganese

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct option. Manganese activates enzymes that are involved in photosynthesis, respiration and nitrogen metabolism.