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Standard XII
Biology
Question

Read the following statements (A-D).
(A) The stomach stores the food for 4−5 hours.
(B) The food mixes throughly with the acidic intestinal juice.
(C) Trypsinogen is activated by an enzyme enterogastrone, secreted by the intestinal muscosa.
(D) Renin is enzyme found in gastric juice of infants which helps in digestion of milk protein.
How many of the given statements are wrong?
  1. Four
  2. One
  3. Two
  4. Three

A
Two
B
Three
C
Four
D
One
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Solution
Verified by Toppr

(A) The stomach can store the food for 4-5 hours.
(B) The intestinal juice is alkaline in nature. The food mixes with alkaline intestinal juice.
(C) Trypsinogen is activated by an enzyme called enterokinase, secreted by intestinal mucosa.
(D) Rennin is found in the gastric juice of infants which helps in digestion of milk protein. Renin is produced by kidneys for regulating blood volume.
Hence, the correct answer is 'Two'

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Similar Questions
Q1
Read the following statements (A-D).
(A) The stomach stores the food for 4−5 hours.
(B) The food mixes throughly with the acidic intestinal juice.
(C) Trypsinogen is activated by an enzyme enterogastrone, secreted by the intestinal muscosa.
(D) Renin is enzyme found in gastric juice of infants which helps in digestion of milk protein.
How many of the given statements are wrong?
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Q2
Write True (T) or False (F) against the following statements in the given brackets:
1. Rumen in cow is actually the true stomach. ( )
2. Digestion of food starts in the mouth. ( )
3. Gastric juice is secreted by the small intestine. ( )
4. An enzyme called ptyalin is present in saliva. ( )
5. Villi helps in digestion of food. ( )
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Q3
Read the following four statements (A-D).
(A) In secretion of submucosal glands enzymes are present
(B) Rennin enzyme found in gastric juice of infants helps in digestion of milk sugar.
(C) Principle organ for absorption of nutrients is stomach
(D) Serosa is the outermost layer of alimentary canal
How many of the given statements are correct?
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Q4
The proteolytic enzyme found in gastric juice of infants which helps in digestion of milk protein is ______.

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Q5
The proteolytic enzyme found in the gastric juice of infants which helps in the digestion of milk proteins is
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