Identify the role of the HCl present in the stomach.

Makes the medium alkaline

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Protects the stomach lining from harmful substances

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Kills the harmful bacteria that may enter along with the food.

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Digests starch into simpler sugars

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Solution

The correct option is C Kills the harmful bacteria that may enter along with the food.
The inner lining of the stomach secretes mucous, hydrochloric acid and digestive juices. Hydrochloric acid kills many bacteria that may enter along with the food. It also provides acidic medium in the stomach for gastric digestion.

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Similar questions

Q. Question 5
The acid present in the stomach

(a) Kills the harmful bacteria that may enter along with the food.
(b) Protects the stomach lining from harmful substances.
(c) Digests starch into simpler sugars.
(d) Makes the medium alkaline.

Q. Which acid helps in the digestion of food without harming the stomach?

Amylase is a digestive enzyme that acts on starch in food, breaking it down into smaller carbohydrate molecules. Once food along with salivary amylase enters the stomach, action of hydrolytic enzymes lead to amylase deactivation. In case, the undigested starch still remains, how will it be digested?

Why HCl don't harm our stomach?

Q. After the partial digestion of food in mouth, it enters into ____ and reaches the stomach.

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