A) algae having blue-green pigment
B) algae having red pigment
C) algae having brown pigment
D) algae having yellow-brown pigment
Correct Answer: A
Solution :
The members of Myxophyceae or Cyanophy ceae are commonly known as blue-green algae due to the presence of blue-green pigment c-phycocyanin, c-phycoerythrin alongwith chlorophyll-a, \[\text{ }\!\!\beta\!\!\text{ }\]-carotene and myxoxaanthin. Members of class Dinophyceae are dark yellw or brown or red coloured. They have in addition to chlorophyll-a and c, large amount of carotenoids also, Members of Rhodophyceae are red in colour due to presence of phycoerythrin\[({{C}_{34}}{{H}_{46}}{{O}_{8}}{{N}_{4}})\]. Phycocyanin, chlorophyll-a carotene and xanthophyll are also present in small amount.
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