AIPMT 2010 Biology Solved Paper

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Question : 59 of 100

Marks: +1, -0

Select the correct statement from the following

Methanobaeterium is aerobic bacterium found in rumen of cattle
Biogas, commonly called gobar gas, is pure methane
Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aearobic bacteria
Biogas is produced by the activity of aerobic bacteria on animal waste

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