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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
Select the correct statement from the following:
  • ✓
    Activated sludge sediment is dettlement tanks of sewage treatment plant is rich source of aerobic bacteria.
  • B
    Biogas is produced by the activity of aerobic bacteria on animal waste.
  • C
    Biogas commnly called gobar gas in pure methane.
  • D
    None of these.
✓

Answer

Correct option: A.
Activated sludge sediment is dettlement tanks of sewage treatment plant is rich source of aerobic bacteria.

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