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AIIMS 2013 Biology Question Paper for free online practice with solutions
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Question : 23
Total: 60
Which of the following gastric secretions iscorrectly matched with its source?
Pepsin - Chief cells
Chymotrypsin - Parietal cells
HCl - Goblet cells.
Mucus - Oxyntic cells
Validate
Solution:
Parietal cells (or oxyntic cells) secrete hydrochloric acid (HCl) and Castle’s intrinsic factor. Chief cells (or peptic cells) secrete gastric digestive enzymes as proenzymes — pepsinogen and prorennin. HCl helps in converting pepsinogen to pepsin. Goblet cells secrete mucus which helps to neutralise acid in stomach and protects stomach wall against HCl action.
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