Sulphuric acid present in the stomach kills the microorganisms entering the body.

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Solution

The correct option is B
Metronidazole

Gastric acid is one of the main secretions of the stomach. It consists mainly of hydrochloric acid(HCl) and it acidifies the stomach. Gastric acid acts as a barrier against microorganisms to prevent infections and is also important for the digestion of food.

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Similar questions

Microorganisms enter our body ___.

The acid produced naturally in our stomach is :

(a) acetic acid

(b) citric acid

(d) sulphuric acid

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