Select the correct statement from the following. (a) Biogas is produced by the activity of aerobic bacteria on animal waste. (b) Methanobacterium is an aerobic bacterium found in rumen of cattle. (c) Biogas, commonly called gobar gas, is pure methane. (d) Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria.

Select the correct statement from the following.
(a) Biogas is produced by the activity of aerobic
bacteria on animal waste.
(b) Methanobacterium is an aerobic bacterium
found in rumen of cattle.
(c) Biogas, commonly called gobar gas, is pure
methane.
(d) Activated sludge-sediment in settlement tanks
of sewage treatment plant is a rich source of
aerobic bacteria.
by

1 Answer

Answer :

(d) Activated sludge-sediment in settlement tanks
of sewage treatment plant is a rich source of
aerobic bacteria.
by

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