Multiple choice

Which of the following is a red pigment and associated with bacteria?

  1. Phycoerythrin

  2. Phycocyanin

  3. Leghemoglobin

  4. Phycoerythrocyanin
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Leghemoglobin is a red coloured pigment produced by certain leguminous plants in response to the roots being infected by certain nitrogen-fixing bacteria known as rhizobium, as part of the symbiotic interaction between plant and bacterium. It acts as a nitrogen or oxygen carrier.

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