The brown algae (Phaeophyceae) like Sargassum derive their colour from the pigment:
AChlorophyll b (also in green algae)
BFucoxanthin (a brown pigment)
CPhycoerythrin (red pigment, in red algae)
DAnthocyanin (red, in flowering plants)
Answer & Solution
Correct answer: B. Fucoxanthin (a brown pigment)
Brown algae have chlorophyll a + c + FUCOXANTHIN (a xanthophyll pigment) which gives the brown colour. Phycoerythrin is in red algae. Chlorophyll b is in green algae and land plants.
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