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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
What gases are produced in anaerobic sludge digesters?
  • A
    Methane and $CO_2$ only
  • ✓
    Methane, hydrogen sulphide and $CO_2$
  • C
    Methane, hydrogen sulphide and $O_2$
  • D
    Hydrogen sulphide and $CO_2$
✓

Answer

Correct option: B.
Methane, hydrogen sulphide and $CO_2$

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