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Solution


Q.

Which classes of algae possess pigment fucoxanthin and pigment phycoerythrin, respectively         [2023]
1 Phaeophyceae and Chlorophyceae  
2 Phaeophyceae and Rhodophyceae  
3 Chlorophyceae and Rhodophyceae  
4 Rhodophyceae and Phaeophyceae  

Ans.

(2)

Phaeophyceae vary in color from olive green to various shades of brown due to the presence of varying amounts of the xanthophyll and fucoxanthin pigment. The members of Rhodophyceae are commonly called red algae because of the predominance of the red pigment, r-phycoerythrin, in their body.