Which of the following statements regarding cyanobacteria is incorrect?

It is also called blue green algae

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They are chemosynthetic autotrophs

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It forms blooms in polluted water bodies

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It is unicellular, colonial or filamentous, marine or terrestrial bacteria

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Solution

The correct option is B They are chemosynthetic autotrophs
Cyanobacteria (also called blue green algae) are photosynthetic
(containing a blue photosynthetic pigment) autotrophs. They are prokaryotic, unicellular, colonial or filamentous, marine or terrestrial bacteria and represent the earliest known form of life on the Earth. They also form blooms in polluted water bodies sometimes.

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