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Bacteria that produce methane in a biogas plant are called:
AAmmonifiers
BMethanogens
CNitrifiers
DDenitrifier
Answer & Solution
Correct answer: B. Methanogens
1. These bacteria break down organic matter without oxygen.
2. Their characteristic product is methane.
3. They are called methanogens.
4. So the answer is methanogens.
_Source: NCERT Class 12 Biology, Ch 8 'Microbes in Human Welfare'_
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