Bacteria entering with contaminated food are killed in stomach by

Pepsin

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Renin

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Sodium bicarbonate

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HCl

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Solution

The correct option is D HCl
In the stomach, HCl (hydrochloric acid) present is highly acidic in nature pH3-4.
This acid kills the bacteria which come with food. Hence, Bacteria entering contaminated food are killed in the stomach by HCl.
So, the correct answer is 'HCl".

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Food poisoning is the illness caused by eating food items contaminated by bacteria, virus, etc.

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