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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
Which bacteria is utilized in a gober gas plant?
  • A
    Methanogens
  • B
    Nitrifying bacteria
  • C
    Ammonifying bacteria
  • D
    Denitrifying bacteria
✓

Answer

  1. Methanogens

Explanation:

Biogas is an alternate source of energy produced by anaerobic breakdown or digestion of biomass such as animal excreta and kitchen wastes with the help of methanogenic bacteria or methanogens. Biogas is made up of methane (50-70%), carbon dioxide (30-40%) with traces of nitrogen, hydrogen sulphide and hydrogen. Biogas generation is a three-stage anaerobic digestion of animal and other organic wastes

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