Question

Which one of the following is not the characteristic feature of cyanobacteria?

(a) they are multicellular

(b) they form colonies

(c) they form blooms in polluted water bodies

(d) they can fix atmospheric nitrogen​

Answer 1

Cyanobacteria (BGA) as the name suggests that they are bacteria.

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And all the bacterias are unicellular.

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Option A is incorrect statement regarding BGA and it will be your correct answer.

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BGA =. Blue Green Algae (cyanobacteria)