Q. Brown algae is characterised by the presence of

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Solution:

Phycoerythrins are accessory photosynthetic pigments along with phycocyanins. Haematochrome is a pigment in the blood. Brown algae is brown due to fucoxanthin, which is a type of Xanthophylls.
Both Phycoerythrin and blue-pigment Phycocyanine are found in Rhodophyceae members.