Published by:
CGP EDU Academic Team
Published on: August 21, 2026
Methanogens do not produce:
Text Solution
Verified by ExpertsThe correct answer is:
In the digesters (during secondary treatment of waste water), heterotrophic microbes (methanogens) anaerobically digest bacteria and fungi in sludge producing mixture of gases such as methane, hydrogen sulphide and 
which form the biogas. The 
is not produced by methanogens.
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