Question

Which one of the following does not play any role in photosynthesis?

• A. Phycocyanin
• B. Phycoerythrin
• C. Anthocyanin
• D. Xanthophyll

Answer 1

The correct option is C Anthocyanin

A) Phycocyanin is a blue photosynthetic pigment present in cyanobacteria.
B) Phycoerythrin is a red photosynthetic pigment present in red algae and some cyanobacteria.

C) Anthocyanin is a type of flavonoid, a class of compounds with antioxidant effects. It does not aid in photosynthesis.
D) Xanthophyll is a yellow pigment that aids in photosynthesis, but is not very effective.
So the correct answer is 'Anthocyanin'.