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Wastewater Story — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceWastewater Story1 Mark
MCQ
Which microbe is used to decompose sludge into bio gas?
  • A
    Aerobic bacteria.
  • ✓
    Anaerobic bacteria.
  • C
    Algae.
  • D
    Fungi.
✓

Answer

Correct option: B.
Anaerobic bacteria.
Anaerobic bacteria.

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