NEET Biology question

Biology Microbes in Human Welfare NEET

(NCERT Exemplar) Anaerobic digestion of activated sludge in large tanks produces a mixture of gases, which includes a significant amount of

(A)methane, used as biogas fuelCorrect
(B)oxygen, released into the atmosphere
(C)chlorine gas
(D)ozone

Answer: (A)

Solution

NCERT Exemplar states that anaerobic digestion of the sludge by bacteria produces biogas,

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Question ID VK-124771