91.   Narrow distal part of stomach is

A. Cardiac

B. Pharynx

C. Duodenum

D. Pylorus

Answer : Option D

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92.   pHsuitable for ptyalin actions is

A. 6 - 8

B. 7 - 8

C. 3 - 2

D. 9 - 3

Answer : Option A

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93.  What will happen if bile duct gets choked ?

A. Faeces become dry

B. Acidic chyme will not be neutralised

C. There will be little digestion in intestine

D. Little absorption of fat will occur

Answer : Option B

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94.  Digestion of both starch and protein is carried out by

A. Gastric juice

B. Gastric lipase

C. Pancreatic juice

D. Ptylin

Answer : Option D

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95.  What is common among amylase,renin and trypsin ?

A. All proteins

B. Proteolytic enzymes

C. Produced in stomach

D. Act at pH lower then 7

Answer : Option A

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96.  Enterokinase is

A. Pancreatic hormone

B. Intestine hormone

C. Pancreatic enzyme

D. Component of Intestinal juice

Answer : Option D

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97.  Which enzyme initiates protein digestion ?

A. Pepsin

B. Trypsin

C. Aminopeptidase

D. Carboxypeptidase

Answer : Option A

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98.  Enzyme which does not directly act upon food substrate is

A. Trypsin

B. Lipase

C. Enterokinase

D. Amylopsin

Answer : Option A

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99.  Pepsin is secreted by

A. Peptic cells

B. Zymogen cells of stomach

C. Zymogen cells of duodenum

D. Pancreas

Answer : Option B

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100.  Pepsinogen is activated by

A. Chymotrypsin

B. Trypsin

C. HCl

D. Pepsin

Answer : Option B

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