Tag: digestion

Questions Related to digestion

Inhibition of gastric and stimulation of gastric, pancreatic and bile secretions are controlled by hormones ____________________.

bio-chemistry digestion digestive glands liver pancreas

  1. Gastrin, secretin, enterokinin and cholecystokin

  2. Enterogastrone, gastrin, pancreozymin and cholecystokinin

  3. Gastrin, enterogastrone, cholecystokinin and pancreozymin

  4. Secretin, enterogastrone, gastrin and enterokinin

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Correct Option: B

Valves of Kerckring occur in

bio-chemistry digestion digestive glands liver pancreas

  1. Between right auricle right ventricle

  2. Left auricle and left ventricle

  3. Stomach and duodenum

  4. Intestine

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Correct Option: D

Digested lipids are absorbed from lacteals as 

bio-chemistry digestion digestive glands liver pancreas

  1. Triglycerides

  2. Diglycerides

  3. Monoglycerides

  4. Free fatty acids

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Correct Option: A

Succus entericus is secreted by

bio-chemistry digestion digestive glands liver pancreas

  1. Crypts of Lieberkuhn

  2. Brunners glands

  3. Both A and B

  4. None of the above

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Correct Option: A

In the absence of enterokinase, digestion would be affected in intestine of

bio-chemistry digestion digestive glands liver pancreas

  1. Maltose

  2. Starch

  3. Albumin

  4. Amino acid

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Correct Option: C

If for some reasons our goblet cells are non-functional. This will adversely affect

bio-chemistry digestion digestive glands liver pancreas

  1. Secretion of sebum from sebaceous glands

  2. Maturation of sperms

  3. Smooth movement of food down the intestine

  4. Production of somatostatin

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Correct Option: C

The cells lining the base of intestinal glands that secrete lysozyme are

bio-chemistry digestion digestive glands liver pancreas

  1. Brunners gland

  2. Parietal cells

  3. Neck cells

  4. Paneth cells

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Correct Option: D

In Escherichia coli, how many codons code for the standard amino-acids?

bio-chemistry digestion digestive glands liver pancreas

  1. $64$

  2. $60$

  3. $61$

  4. $20$

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Correct Option: C
Lining of intestine of man is ________________.
bio-chemistry digestion digestive glands liver pancreas

  1. Brush bordered

  2. Ciliated

  3. Non-keratinised

  4. Keratinised

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Correct Option: A
Explanation:

The outer surface of columnar epithelial cells lining the intestine of man is brush-bordered. It is made up of microvilli that greatly increase the surface area for absorption.

Which of the following statement is not correct?

bio-chemistry digestion digestive glands liver pancreas

  1. Burner's glands are present in the submucosa of stomach and secrete pepsinogen

  2. Goblet cells are present in the mucosa of intestine and secrete mucus

  3. Oxyntic cells are present in the mucosa of stomach and secrete HCl

  4. Acini are present in the pancreas and secrete carboxypeptidase

Show answer
Correct Option: A
Explanation:
The Burner's glands are present in the submucosa of the small intestine and secrete an alkaline fluid rich in mucin that protects the duodenal surface of the small intestine from the action of the acidic chyme.
So, the correct answer is 'Burner's glands are present in the submucosa of the stomach and secrete pepsinogen'.