Home Biology Biological Classification Skill Builder Which is not correct about methanogens?
Biology Biological Classification Skill Builder Single Correct MCQ
Published on: August 14, 2026

Which is not correct about methanogens?

A
They are archaebacteria
B
They live in marshy areas
C
Methane is their preferred carbon source
D
They are present in guts of several ruminant animals (cow, buffaloes) and they produce biogas (CH 4 ) from the dung of these animals

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The correct answer is:
C

Methanogens produce methane; they do not use it as a carbon source. They actually use carbon dioxide and hydrogen to form methane.

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