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The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the
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- Halophiles
- Thermoacidiophiles
- Methanogens
- Eubacteria
Correct Option: C
Methanogens are microorganisms that produce methane as a metabolic byproduct in anoxic conditions. They are obligate anaerobic ancient and primitive bacteria. They are involved in methanogenesis.