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STD 12 - 8. microbes in human welfare — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 8. microbes in human welfare1 Mark
MCQ
It is rich in methanogens.
  • A
    Primary sludge
  • B
    Activated sludge
  • ✓
    Excreta of cattle
  • D
    Flocs
✓

Answer

Correct option: C.
Excreta of cattle
c

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