Question

Which one of the following is not present in the gastric juice secreted by stomach?
a) Pepsin
b) Hydrochloric acid
c) Mucus
d) Bile​

Answer 1

Answer:

Gastric juice, thin, strongly acidic (pH varying from 1 to 3), almost colorless liquid secreted by the glands in the lining of the stomach. Its essential constituents are the digestive enzymes pepsin and rennin, hydrochloric acid, and mucus.

So the correct option is 'pepsin, lipase, rennin'.

Explanation:

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Answer 2

Answer:

d) Bile is not present in gastric juice secreted by the stomach.

Explanation:

• The pancreas produces a juice containing several enzymes that break down carbohydrates, fats, and proteins in food.
• Gastric juice comprises water, mucus, hydrochloric acid, pepsin, and intrinsic factor.
• Pepsin is the principal enzyme involved in protein digestion. Its primary function is to inactivate swallowed microorganisms, thereby inhibiting infectious agents from reaching the intestine.
• Gastric acid plays a key role in the digestion of proteins by activating digestive enzymes, which break down the long chains of amino acids of proteins.
• Bile is a fluid that is made and released by the liver and stored in the gallbladder.