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Methanogenic bacteria are not found in:
a. rumen of cattle
b. gobar gas plant
c. bottom of water-logged paddy fields
d. activated sludge
Answers (1)
The answer is the option (d) activated sludge.
Explanation: Activated sludge contains aerobic bacteria. It is sent to the digester where it is acted upon by methanogens.
View full answer
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