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Biology 11 Chapter - 11
Digestion - 7
1.
The low pH of the stomach is due to?
a) mucus
b) HCl
c) gastrin
d) pepsinogen
2.
The pH of stomach is?
a) 7
b) 1 - 3
c) 5 - 6
d) 9
3.
Pepsinogen is converted into pepsin by?
a) gastrin
b) mucus
c) saliva
d) HCl
4.
Which one of the following secretions of the stomach is controlled
by hormones?
a) gastrin
b) all of these
c) gastric inhibitory polypeptide
d) cholecystokinin
5.
When food enters the stomach, its volume?
a) increases
b) decreases
c) does not affect
6.
The greatest amount of digestion and absorption takes place in the?
a) large intestine
b) small intestine
c) stomach
d) oral cavity
7.
Most of the digestive enzymes that enter the small intestine come from?
a) gall bladder
b) liver
c) stomach
d) pancreas
8.
Which one of the following secretes mucus?
a) duodenal glands
b) all of these
c) intestinal glands
d) goblet cells
9.
Which one of the following is secreted from the intestinal mucosa
that stimulate hepatic and pancreatic secretions?
a) secretin
b) none of these
c) cholecystokinin
d) both of these
10.
Bile salts are secreted by?
a) pancreas
b) liver
c) stomach
d) intestine
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