Related Questions

    1.

    Select the correct statement from the following

    A

    Activated sludge sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria

    B

    Biogas is produced by the activity of aerobic bacteria on animal wastes

    C

    Methanobacterium is an aerobic bacterium found in rumen of cattle

    D

    Biogas, commonly called gobar gas is pure methane

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    2.

    What are flocs?

    A

    Masses of anaerobic bacteria

    B

    Masses of aerobic fungi only

    C

    Masses of anaerobic bacteria, fungi

    D

    Masses of aerobic bacteria associated with fungi filaments

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