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प्रश्न
Big holes in Swiss cheese are made by ______.
विकल्प
a machine
a bacterium that produces methane gas
a bacterium producing a large amount of carbon dioxide
a fungus that releases a lot of gases during its metabolic activities
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उत्तर
Big holes in Swiss cheese are made by a bacterium producing a large amount of carbon dioxide.
Explanation:
The big holes in Swiss cheese are formed by the bacterium Propionibacterium shermanii, which produces a large amount of carbon dioxide (CO2) during fermentation. The CO2 gets trapped inside the cheese, forming characteristic round holes known as “eyes”.
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