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

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 8. microbes in human welfare1 Mark
MCQ
Activated sludge means.
  • ✓
    Sedimented flocks
  • B
    Aerobic bacteria
  • C
    Inaerobic bacteria
  • D
    Primary sludge
✓

Answer

Correct option: A.
Sedimented flocks
a

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