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Glands of Stomach

Question

What are the functions of gastric glands present in the wall of the stomach?

A

Production of pepsin enzyme that digests proteins

B

Secretion of mucus for protection of inner lining of stomach

C

Secretion of HCl, which kills the bacteria and foreign harmful organisms in the food

D

All of the above

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Solution

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Gastric glands are present in the wall of the stomach which secrete gastric juice containing the digestive enzyme like pepsin, renin, mucus and HCl. The function of these enzymes are as follows:
(a) Production of pepsin enzyme that digests proteins.
(b) Secretion of mucus for the protection of inner lining of the stomach.
(c) Secretion of HCl, which kills the bacteria and foreign harmful organisms in the food. Thus, the correct answer is option D.

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Similar Questions

Q1

Question 64
What are the functions of gastric glands present in the wall of the stomach?

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Q2

In context with the adaptations of the stomach in humans, fill in the blanks by choosing the correct option.

The stomach in humans is lined with an extra layer of _____(i)_____ for better mixing and churning of food. It even has numerous folds called ____(ii)____ to increase the area of absorption with many inner mucosal secretory glands called _____(iii)____for the production of enzymes and has specially formulated ____(iv)____ to protect the walls of the stomach from the action of HCl.

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Q3

Choose the correct statements regarding the gastric juices.

I. Pepsin converts proteins into peptones partially.

II. Hydrochloric acid kills the germs present in food and regulates pH for digestion in the stomach.

III. Mucus protects the stomach wall from the action of digestive juices.

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Q4

Mucus layer protects the inner lining of the stomach against the HCl present in the gastric juice.

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Q5

Pick out the correct and the wrong statement.
A. The digestion of starch (carbohydrate) beings on the buccal cavity by ptyalin enzyme.
B. Protein digestion begins in the stomach.
C. Gastric lipase enzyme completely breaks down the lipids.
D. Hydrochloric acid, proteins digesting enzymes and mucus are present in the gastric juice.

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