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Question

Choose the correct statement among the following.

  1. Intestinal mucosal epithelium has oxyntic cells.
  2. Ptyalin converts proteins into proteoses and peptones.
  3. Crypts of Lieberkuhn are seen at the base of villi in the intestine.
  4. Sphincter of Oddi is present at the junction of the oesophagus and the cardia part of the stomach.
  5. Goblet cells secrete hydrochloric acid in stomach.

A
Sphincter of Oddi is present at the junction of the oesophagus and the cardia part of the stomach.
B
Intestinal mucosal epithelium has oxyntic cells.
C
Ptyalin converts proteins into proteoses and peptones.
D
Crypts of Lieberkuhn are seen at the base of villi in the intestine.
E
Goblet cells secrete hydrochloric acid in stomach.
Solution
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Solution:
  • Option A is incorrect as oxyntic cells are secreted by the epithelial cells of the stomach.
  • Option B is incorrect as Ptyalin converts starch into maltose.
  • Option D is incorrect as Sphincter of Oddi is present at the junction of hepato-pancreatic duct and duodenum.
  • Option E is incorrect as oxyntic cells secrete hydrochloric acid in the stomach.
  • Hence, the correct answer is Option [C]. The Crypts of Lieberkuhn are seen at the base of villi in the intestine. These are covered by epithelium cells. These contain enterocytes, goblet cells, enteroendocrine cells, paneth cells and stem cells. The Crypts of Lieberkuhn secrete intestinal juice called succus entericus.

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Similar Questions
Q1

Correct the following statements by deleting one of entries (given in bold).
(a) Goblet cells are Located in the intestinal mucosal epithelium and secrete chymotrypsin/mucus.
(b) Fats are broken down into di-and monoglycerides with the help of amylase/lipases.
(c) Gastric glands of stomach mucosa have oxyntic cell/chief cells which secrete HCl.
(d) Saliva contains enzymes that digest starch/protein

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Q2
Crypts in between the bases of villi in the intestine are crypts of Lieberkuhn. Which of the following cells in these crypts secrete digestive enzymes?
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Q3
Consider the following statement regarding human.
a. Duodenum is the longest part of small intestine
b. Hepatic and cystic ducts release their secretions into common bile duct whose opening is controlled by sphincter of Oddi
c. Ileocaecal valve is present at the junction of small intestine and large intestine
d. Mechanical digestion and chemical digestion of food occurs in buccal cavity, stomach and small intestine
Which of the following choices is correct?
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Q4

Which of the following is the correct sequence of parts as they occur in the human alimentary canal ?

(a) Mouth Stomach Small intestine Oesophagus Large intestine
(b) Mouth Oesophagus Stomach Large intestine Small intestine
(c) Mouth Stomach Oesophagus Small intestine Large intestine
(d) Mouth Oesophagus Stomach Small intestine Large intestine

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Q5
Digestive System
Match column I with column II and select the correct option from the given codes.
Column I
(Sphincter)
Column II
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B.Cardiac sphincter(ii)Between duodenum and posterior stomach
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D.Ileocaecal sphincter(iv)Between oesophagus and anterior stomach
E.Pyloric sphincter(v)Between small intestine and large intestine

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