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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Which of the following glandular secretions involved in digestion would be most likely released initially as inactive precursors ?

(1) protein-digesting enzymes

(2) fat-solublizing bile salts

(3) acid-neutralising bicarbonate

(4) hormones such as gastrin

Subtopic:  Pancreatic Secretions |
 75%
From NCERT
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What prevents the backflow of fecal matter into the small intestine?

1. Ileo-caecal valve

2. Sphincter of Boyden

3. Meckel's diverticulum

4. Plicae semilunaris

Subtopic:  Absorption: Part 2 |
 92%
From NCERT
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The parietal cells or the oxyntic cells located in the stomach's gastric pits mainly secrete:-
1. HCI and Intrinsic factor
2. Pepsinogen and Gastric lipase
3. Pepsinogen and Pro-rennin
4. Gastrin and Mucus

Subtopic:  Gastric Secretions |
 91%
From NCERT
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