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Question

PS II contains a non-chlorophyllous pigment in blue-green algae

A
β-carotene
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B
Zeaxanthin
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C
Phycocyanin
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D
Cytochrome c.
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Solution

The correct option is A Phycocyanin
Photosynthetic bacteria are anaerobic and only one type of photosystem is found in them but cyanobacteria or blue-green algae have both systems PSI and PSII. In PS I contain only one chlorophyll that is chlorophyll a while PS II contains various yellowish carotenoids and phycocyanin that differ in colour in different species.
So the correct option is 'Phycocyanin'.

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