Multiple choice

Which of the following pigments is essential for nitrogen fixation by leguminous plants?

  1. Phycocyanin

  2. Phycoerythrin

  3. Leghaemoglobin

  4. Myoglobin

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

In leguminous plants, leghaemoglobin regulates the supply of oxygen to nodule tissue. Therefore, it is essential for nitrogen fixation.