One of these is not a characteristic feature of cyanobacteria.

They form colonies.

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They form blooms in polluted water.

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They are multicellular.

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They can fix atmospheric nitrogen.

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Solution

The correct option is C
They are multicellular.

Cyanobacteria are unicellular, colonial or filamentous organisms. They are also called blue-green algae.

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One of these is not a characteristic feature of cyanobacteria.

The correct option is C They are multicellular. Cyanobacteria are unicellular, colonial or filamentous organisms. They are also called blue-green algae.

The correct option is C
They are multicellular.

Cyanobacteria are unicellular, colonial or filamentous organisms. They are also called blue-green algae.