NEET 2020

NEET 2020 Botany question on Microbes in Human Welfare

Which of the following is put into Anaerobic sludge digester for further sewage treatment?
  1. A.
    Floating debris
  2. B.
    Effluents of primary treatment
  3. C.
    Activated sludge
  4. D.
    Primary sludge
Show answer

Correct option: C

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