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
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

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 |
 92%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

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
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

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 |
 88%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

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%
Please attempt this question first.
Hints

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
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

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 |
 79%
NEET - 2017
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

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
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

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
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

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 |
 87%
NEET - 2015
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints