Select the correct statement regarding the digestion & absorption of food in humans.

Oxyntic cell in human stomach secretes proenzyme, pepsinogen & trypsinogen

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Chylomicrons are small lipoprotein particles, which are transported from the intestine into blood capillaries via lymphatics

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About

70 %

of starch is hydrolysed by salivary amylase

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Glycerol and amino acids are absorbed through the intestinal mucosa with help of carrier ions like

N a^{+}

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Solution

The correct option is A Oxyntic cell in human stomach secretes proenzyme, pepsinogen & trypsinogen
Parietal cells also known as the oxyntic cells are the stomach epithelium cells which secrete gastric acid. Parietal cells produce gastric acid in response to histamine acetylcholine and gastrin. Pepsinogen, proenzyme and trypsinogen are secreted by the chief cells in the oxyntic glandular area.
So, option A is the correct option.

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Similar questions

Q. Which of the following statements is/are incorrect?
(i) Absorption of simple sugar, alcohol, some water and medicines takes place in stomach.
(ii) Maximum water absorption occurs in large intestine.
(iii) Small intestine is the major site of digestion and absorption of food.
(iv) Fatty acid and glycerol are absorbed by lacteals.
(v) Nothing is absorbed in mouth and large intestine.

Q. Chylomicrons are small lipoproteins transported from intestine into blood stream. Is this correct

Amino acids produced by digestion of proteins are absorbed from intestine through

Q. Digestion is the process of breakdown of complex food substances into simpler substances. Secretion of various glands like stomach, salivary gland, pancreas, liver and intestinal gland are involved in this process.
Select the gland whose secretion contains lipase and converts fats into simpler fats.

Read the following statements regarding absorption of fats in small intestine and select the incorrect option(s).

I. Absorption takes place through the mucosal lining of the small intestine, and when these products pass through the mucosa, they enter the epithelial cells.

II. Triglycerides are the major form of fat stored by the body. Triglycerides are coated by proteins to form chylomicrons.

III. The lacteals are found in the fingerlike projections of the intestinal wall, called the villi.

IV. Absorption of glucose, amino acids and fatty acids follow a similar path.

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