Bile produced in the liver is associated with which of the following?

(1) Emulsification of fats into tiny globules (micelles) in the small intestine by bile salts

(2) Digestive action of pancreatic amylase

(3) Emulsification of fats into tiny globules in the stomach

(4) Digestion of proteins into amino acids

 

 

Subtopic:  Bile |
 87%
From NCERT
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Waves of muscle contraction that move the intestinal content are:

(1) Caused by-contraction of skeletal muscle

(2) Regulated by liver secretions

(3) Called peristalsis

(4) Voluntary

Subtopic:  Peristalsis: Gland in Alimentary Canal |
 90%
From NCERT
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Bile aids in digestion and absorption of fats because it contains:

(1) Lipase

(2) Bile salts

(3) Bile pigments

(4) All of the above

Subtopic:  Bile |
 50%
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Emulsification of fat is carried out by:

(1) Bile pigments

(2) Bile salts

(3) HCl

(4) Pancreatic juice

Subtopic:  Bile |
 81%
From NCERT
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Aminopeptidase, a digestive enzyme produces:

(1) Tripeptidases

(2) Smaller peptides

(3) Peptones

(4) Amino acids

Subtopic:  Pancreatic Secretions |
 65%
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Optimum pH for enzyme trypsin is:

(1) 5.9

(2) 4.6

(3) 8.5

(4) 7.0

Subtopic:  Intestinal Secretions |
 58%
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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
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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
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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
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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
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