Many of the pancreatic enzymes must be activated by trypsin before they can begin digesting food, but trypsin itself requires the activating effect of

(1) chymotrypsin

(2) carboxypeptidase

(3) phospholipase

(4) enterokinase

Subtopic:  Pancreatic Secretions |
 80%
From NCERT
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Gastric secretion is stimulated by all except

(1) Secretin

(2) Gastric distension

(3) Gastrin

(4) Vagal stimulus

Subtopic:  Gastric Secretions |
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The portion of human stomach into which the oesophagus opens is the:-
1. Cardiac
2. Fundus
3. Corpus
4. Pylorus

Subtopic:  Swallowing: Histology of Gut | Movement of Food in Gut |
 82%
From NCERT
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Muscularis layer of the wall of the alimentary canal is formed by:-

1. Smooth muscle arranged into an inner longitudinal and an outer circular layer

2. Smooth muscle arranged into an inner circular and an outer longitudinal layer

3. Skeletal muscle arranged into an inner longitudinal and an outer circular layer

4. Skeletal muscle arranged into an inner circular and an outer longitudinal layer

Subtopic:  Histology of Gut |
 86%
From NCERT
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The optimum pH for the enzyme salivary amylase is:

(1) 4.5

(2) 6.8

(3) 7.3

(4) 8.2

Subtopic:  Accessory Digestive Glands |
 89%
From NCERT
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Intrinsic factor is secreted by the_cells of the human stomach.

1. Mucus neck cells
2. Chief cells
3. Oxyntic cells
4. G-cells

Subtopic:  Gastric Secretions |
 79%
From NCERT
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Which of the following is a sub-mucosal gland?

1. Oxyntic glands of stomach

2. Crypts of Lieberkuhn of small intestine

3. Brunner's glands of the duodenum

4. Goblet cells

Subtopic:  Peristalsis: Gland in Alimentary Canal |
 87%
From NCERT
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To move into the intestinal mucosa, fatty acids and glycerol are first incorporated into:

(1) Chyle

(2) Micelles

(3) Chylomicroms

(4) Lipoproteins

Subtopic:  Movement of Food in Gut |
 64%
From NCERT
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A mass peristaltic movement is responsible for:-

1. Release of bile and pancreatic juice into the duodenum
2. Passage of chyme from stomach to duodenum
3. Vomiting
4. Defecation

Subtopic:  Peristalsis: Gland in Alimentary Canal |
From NCERT
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Populations subsisting primarily on corn would likely to suffer from:

1. PEM

2. Pellagra

3. Bleeding disorders

4. Beri beri

Subtopic:  Disorders of Digestive System |
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