Home Biology Biological Classification Kingdom Classification Which of the following statements is true ab…
Biology Biological Classification Kingdom Classification Single Correct MCQ
Published on: August 13, 2026

Which of the following statements is true about cyanobacteria?

A
It is found in fresh water only.
B
It may be unicellular, colonial or filamentous.
C
They often form bloom in non-polluted fresh water bodies.
D
Colonies are not surrounded by gelatinous sheath.

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The correct answer is:
B

Cyanobacteria show different forms—unicellular, colonial, or filamentous.They are found in both fresh and marine water, not only fresh water. They often form blooms in polluted water, and their colonies are usually surrounded by a gelatinous sheath.

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