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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The mucosal layer in the stomach form irregular folds known as:-
1. villi
2. lumen
3. rugae
4. crypts of Lieberkuhn

Subtopic:  Peristalsis: Gland in Alimentary Canal |
 85%
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 |
 87%
From NCERT
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Match each item in Column I with one item in Column II and chose your answer from the codes given below:

Column I

(vitamin)

Column II

(source)

I. A

II. B1

III. PP

IV. C

1. cereals

2. carrot

3. citrus fruits

4. synthesized in human body

Codes:

                I            II            III            IV

1.             1            2             3               4

2.             2            1             4               3

3.             2            1             3               4

4.             1            2             4               3

Subtopic:   DIGESTION OF FOOD |
 68%
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Which cells of ‘Crypts of Lieberkuhn' secrete antibacterial lysozyme?

(1) Argentaffin cells

(2) Paneth oaks

(3) Zymogen cells

(4) Kupffer cells

Subtopic:  Peristalsis: Gland in Alimentary Canal |
 50%
NEET - 2017
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A baby boy aged two years is admitted to play-school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?

(1) Incisors

(2) Canines

(3) Premolars

(4) Molars

Subtopic:  Alimentary Canal: Oral Cavity & Teeth |
 78%
NEET - 2017
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Which of the following guards the opening of hepatopancreatic duct into the duodenum ?

(1) Illeocaecal valve

(2) Pyloric sphincter

(3) Sphincter of Oddi

(4) Semilunar valve

Subtopic:  Histology of Gut | Movement of Food in Gut |
 89%
From NCERT
NEET - 2016
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In the stomach, gastric acid is secreted by the:-
(1) parietal cells

(2) peptic cells

(3) acidic cells

(4) gastrin secreting cells

Subtopic:  Gastric Secretions |
 61%
From NCERT
NEET - 2016
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The primary dentition in human differs from permanent dentition in not having one of the

following type of teeth

1. Canine                   

2. Premolars

3. Molars                   

4. Incisors

Subtopic:  Alimentary Canal: Oral Cavity & Teeth |
 86%
NEET - 2015
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