Home Biology Biological Classification Skill Builder Which of the following statements regarding …
Biology Biological Classification Skill Builder Single Correct MCQ
Published on: August 13, 2026

Which of the following statements regarding cyanobacteria is incorrect?

A
It is also called blue green algae.
B
They are chemosynthetic autotrophs.
C
It forms blooms in polluted water bodies.
D
It is unicellular, colonial or filamentous, marine or terrestrial bacteria

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Text Solution

Verified by Experts
The correct answer is:
B

Cyanobacteria are actually photosynthetic autotrophs (photoautotrophs).

They contain chlorophyll a, similar to green plants, which allows them to use light energy to produce their own food.

Chemosynthetic autotrophs, by contrast, obtain energy from the oxidation of inorganic substances (like nitrates, nitrites, or ammonia) rather than from sunlight.

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