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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
Methanogens do not produce:
  • A
    Oxygen
  • B
    Ethane
  • C
    Hydrogen sulfide
  • D
    Carbon dioxide
✓

Answer

  1. Oxygen

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