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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
Big holes in Swiss cheese are made by a:
  • A
    A machine.
  • B
    A bacterium that produces methane gas.
  • ✓
    A bacterium producing a large amount of carbon dioxide.
  • D
    A fungus that releases a lot of gases during its metabolic activities.
✓

Answer

Correct option: C.
A bacterium producing a large amount of carbon dioxide.
A bacterium called Propionibacterium shermanii produces a large amount of carbon dioxide during fermentation. This is the reason of big holes in Swiss cheese.

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