Question

Other than chlorophyll, which other pigment is necessary for photosynthesis?​

Answer 1

Pigments other than chlorophyll include carotenoids (which are red, yellow and orange) and phycobilins. Phycobilins include phycocyanin, which imparts a bluish color to "blue-green algea," also known as "cynanobacteria," and phycoerythrin, which gives a reddish color to red algae.

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