Home › UP Board Class 12 › Biology › Microbes in Human Welfare › The large holes in Swiss cheese are produced by:
The large holes in Swiss cheese are produced by:
ACarbon dioxide
BEscaping oxygen
CTrapped nitrogen
DReleased hydrogen
Answer & Solution
Correct answer: A. Carbon dioxide
1. The holes are gas pockets left in the ripening cheese.
2. A bacterium releases that gas as it grows.
3. The gas is carbon dioxide.
4. So the answer is carbon dioxide.
_Source: NCERT Class 12 Biology, Ch 8 'Microbes in Human Welfare'_
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