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 |
 95%
From NCERT
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What regulates the opening of oesophagus into the stomach?

1. A membranous valve

2. A muscular sphincter

3. A mesodermal septum

4. A cartilaginous flap

Subtopic:  Movement of Food in Gut |
 92%
From NCERT
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Muscularis layer in the wall of the alimentary canal is formed by smooth muscles usually arranged into:-

1. an inner circular and an outer longitudinal layer.
2. an inner longitudinal and an outer circular layer.
3. both circular layers
4. both longitudinal layers

Subtopic:  Alimentary Canal: Oral Cavity & Teeth |
 96%
From NCERT
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Which of the following gastric secretory cells is correctly matched with its secretion(s) ?

1. Chief cells - gastrin

2. parietal cells -- hydrochloric acid and intrinsic factor

3. enteroendocrine cells -- mucus and hormones

4. mucous cells -- pepsinogen and mucus

Subtopic:  Gastric Secretions |
 89%
From NCERT
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Sphincter of Oddi will guard the opening of

1. A

2. B

3. C

4. D

Subtopic:  Movement of Food in Gut |
 86%
From NCERT
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The intrinsic nervous system that is responsible for peristalisis is present in which part shown in the given transverse section of the human gut ?

1. A

2. B

3. C

4. D

Subtopic:  Peristalsis: Gland in Alimentary Canal |
 59%
From NCERT
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Study the given diagram and choose the correct statements :

I. A is involved in the absorption of fatty acids

II. B is a crypts

1. Only I

2. Only II

3. Both I and II

4. Neither I nor II

Subtopic:  Peristalsis: Gland in Alimentary Canal |
 59%
From NCERT
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In the given diagram showing anatomical regions of the human stomach, A,B and C respectively represent :

1. Fundus, Cardia and Pylorus

2. Cardia, Pylorus and Fundus

3. Fundus, Pylorus and Cardia

4. Pylorus, Cardia and Fundus

 

Subtopic:  Movement of Food in Gut |
 91%
From NCERT
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Starch is converted to disaccharide (maltose) by the action of:

(1) Sucrose

(2) Diastase

(3) Maltose

(4) Amylase

Subtopic:  Digestive Secretions: Saliva |
 77%
From NCERT
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Pepsinogen is activated by:

(1) Trypsin

(2) Chymotrypsin

(3) HCl

(4) Na+

Subtopic:  Gastric Secretions |
 79%
From NCERT
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