Optimum pH for enzyme trypsin is:

(1) 5.9

(2) 4.6

(3) 8.5

(4) 7.0

Subtopic:  Intestinal Secretions |
 58%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The intestinal mucosal epithelium has goblet cells which secretes:

(1) Digestive enzymes

(2) Intestinal digestive enzymes

(3) Mucus

(4) Succus intericus

Subtopic:  Intestinal Secretions |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The secretion of the brush border cells along with secretions of goblet cells of present in mucosa of small intestine constitutes:

(1) Chyme

(2) Chyle

(3) Succus entericus

(4) Interstitial fluid

Subtopic:  Intestinal Secretions |
 80%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following statements is false?

(1) The breakdown of most of biomacromolecules occurs in duodenum

(2) Simple substances (digested foods) are absorbed in the jejunum and ileum

(3) Very significant digestive activity occurs in large intestine

(4) Undigested and unabsorbed substances are passed on to the large intestine

Subtopic:  Movement of Food in Gut |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The undigested substance (faeces) enter into the ________ of large intestine through ________ valve which prevents backflow of faecal matter:

(1) Caecum, ileo-caecal

(2) Colon, ileo-colon valve

(3) Rectum, Recto-colonic

(4) Colon, pyloric valve

 

Subtopic:  Swallowing: Histology of Gut |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In addition to neural control, hormones also influence the:

(1) Gastric secretions

(2) Intestinal secretions

(3) Muscular activities of different parts of alimentary canal

(4) All are correct

 91%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Fructose and some amino acids are absorbed by:

(1) Active transport

(2) Diffusion

(3) Facilitated transport

(4) Osmosis

Subtopic:  Absorption: Part 1 | Absorption |
 84%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which of the following statement is wrong about chylomicrons?

I. Chylomicrons are produced in the epithelial cells of small intestine

II. It contains triglycerides, cholesterol and phospholipids

III. It is protein coated small vesicles

IV. Chylomicrons released from the epithelial cell into lacteals

(1) I and IV

(2) II and III

(3) I, II, III and IV 

(4) None of the above

Subtopic:  Absorption: Part 2 | Absorption |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Gastric juice does not contain:

(1) Lipase

(2) Rennin

(3) Protease

(4) Amylase

Subtopic:  Gastric Secretions |
 63%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Enterokinase is:

(1) A hormone that prevents the secretion of gastric juice

(2) An enzyme that activates the enzyme of pancreatic juice

(3) An enzyme that activates the proteolytic enzymes of succus entericus

(4) Hormone that prevents the secretion of pancreatic juice

Subtopic:  Intestinal Secretions |
 72%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh