GI Secretions and Gut Hormones
- Previous year questions on GI Secretions and Gut Hormones for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Physiology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 117 live questions in GI Secretions and Gut Hormones.
- 3 of 117 questions carry a verified exam year: 2017, 2018.
- Physiology is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 6 Sept 2026.
Q1.Functions of cholecystokinin are all except
- AContraction of gall bladder
- BIncreases resistance of sphincter of Oddi✓ Correct answer
- CIncreased hepatic secretion of bile
- DEnhanced flow of biliary contents into duodenum
Q2.Which hormone stimulates pancreatic secretion that is rich in bicarbonate?
- ASomatostatin
- BSecretin✓ Correct answer
- CCCK
- DGastrin
Q3.intrinsic factor is secreted by which cells of stomach ?
- Amucous cells
- Bparietal cells✓ Correct answer
- Cchief cells
- Dgoblet cells
Q4.Cholecystokinin is produced from:
- AHepatocyte
- BGastric mucosa
- CDuodenal mucosa✓ Correct answer
- DEpithelial cells of distal common bile duct
Q5.Which protein is absent in saliva?
- ALactoferrin
- BAmylase
- CMucin
- DIntrinsic factor✓ Correct answer
Q6.Unlike other GI secretions, salivary secretion is controlled almost exclusively by the nervous system and is significantly inhibited by
- AAtropine✓ Correct answer
- BPilocarpine
- CCime dine
- DAspirin
Q7.Parasympathetic stimulation induces salivary acinar cells to release the protease
- ABradykinin
- BKallikrein✓ Correct answer
- CKininogen
- DKinin
Q8.Histamine is secreted by:
- AEnterochromaffin cell✓ Correct answer
- BParietal cell
- COxyntic cell
- DChief cell
Q9.The chief cells of the stomach secrete:
- AIntrinsic factor
- BHydrochloric acid
- CPepsinogen✓ Correct answer
- DGastrin
Q10.Parietal cells in the stomach secrete a protein crucial for the absorp on of vitamin B12 by the ileum. What is this protein?
- AIntrinsic factor✓ Correct answer
- BGastrin
- CSomatostatin
- DCholecystokinin (CCK)
Answer key
Q1: B. Increases resistance of sphincter of Oddi; Q2: B. Secretin; Q3: B. parietal cells; Q4: C. Duodenal mucosa; Q5: D. Intrinsic factor; Q6: A. Atropine; Q7: B. Kallikrein; Q8: A. Enterochromaffin cell; Q9: C. Pepsinogen; Q10: A. Intrinsic factor.
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