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  4. The characteristic pigment of cyanobacteria is

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Q. The characteristic pigment of cyanobacteria is

Chhattisgarh PMTChhattisgarh PMT 2004

Solution:

Cyanobacteria has a group of ancient Gram-negative, photosynthetic prokaryotes. Many botanists prefer cyanobacteria as a blue-green algae. The photosynthetic pigments present in the cell are chlorophyll, $\alpha, \beta$ carotene, myxoxantho phyll, myxoxanthin, $C$-phycocyanin and $C$-phycoerythrin. The $C$-phycocyanin is blue and $C$-phycoerythrin is red in colour. If $C$-phycocyanin is more as compared to $C$ -phycoerythrin, it gives characteristic blue-green colour to the algae.