Photosynthetic Pigments
Photosynthetic Pigments: Overview
This topic covers concepts such as Raw Materials for Photosynthesis, Chlorophyll Pigment, Photosynthetic Pigments, Types of Chlorophyll, Xanthophylls, Carotenes, Phycobilins, Phycocyanin, and Phycoerythrin.
Important Questions on Photosynthetic Pigments

Assertion : Cyclic pathway of photosynthesis first appeared in some eubacterial species.
Reason : Oxygen started accumulating in the atmosphere after the non-cyclic pathway of photosynthesis evolved.

Is phycoerythrin present in euglena?

Is phycoerythrin present in blue-green algae?

What is the difference between phycoerythrin and phycocyanin?

What colour pigment found in phycoerythrin?

What is the function of phycoerythrin?




The reaction centre of PS-II is_____.

Chlorophyll and show maximum absorption in

Why is chlorophyll-a called essential pigment?

Which pigment is absent in chloroplast?

How many oxygen atoms are present in a chlorophyll-b molecule?

Write a note on photosynthetic pigments.

Give a brief description of chemical structure of chloroplast.
Note: There is an ambiguity in the question, hence, rectified as below.
Give a brief description of the chemical structure of chlorophyll.

Which are the pigments that take part in photosynthesis?

Which are the accessory pigments in photosynthesis?

What is the difference between chlorophyll-a and chlorophyll-b?
