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
    None of these.
  • D
    Biogas commnly called gobar gas in pure methane.

Answer

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

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