Digestion and Nutrient Absorption
- Previous year questions on Digestion and Nutrient Absorption 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.
- 67 live questions in Digestion and Nutrient Absorption.
- 6 of 67 questions carry a verified exam year: 2017, 2018, 2019.
- Physiology is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 6 Sept 2026.
Q1.Ascorbic acid is a potent enhancer of iron absorption because it:
- AEnhances the absorption of heme iron
- BEnhances the activity of heme oxygenase
- CIs a reducing agent, thereby helping to keep iron in the ferrous state✓ Correct answer
- DDecreases the production of ferritin by enterocytes
Q2.Intestinal absorption of glucose occurs with the help of:
- AGLUT
- BCalcium channel
- CSGLT✓ Correct answer
- DSodium channel
Q3.maximum absorption of IRON is seen in?
- Aduodenum✓ Correct answer
- Bileum
- Ccolon
- Djejunum
Q4.Which of these is true about SGLT1?
- ASecondary active transport of glucose in brain
- BSecondary active transport of glucose in intestine✓ Correct answer
- CSecondary active transport of glucose in rods and cones
- DSecondary active transport of glucose in prostate
Q5.Distal ileum was removed in a 20-year-old girl. Which absorption deficient will be seen?
- AIron
- BBile salts✓ Correct answer
- CZinc
- DCopper
Q6.Potassium is absorbed in the jejunum by
- AActive transport
- BFacilitated transport
- CPassive transport✓ Correct answer
- DActive and passive transport
Q7.Which of the following interfere with iron absorption?
- AVitamin C
- BPhytates✓ Correct answer
- COxalate
- DMyoglobin
Q8.Sho chain fatty acid produced by bacteria are maximally absorbed in :
- ADuodenum
- BColon✓ Correct answer
- CIleum
- DJejunum
Q9.Glucose is absorbed in intestine by?
- ASecondary active transport✓ Correct answer
- BFacilitated diffusion
- CSimple diffusion
- DPrimary active transport
Q10.Absorption of one of the following can occur without being broken down
- AProtein✓ Correct answer
- BTriglycerides, although this seen only in infants
- Ca-Dextrins
- DSucrose
Answer key
Q1: C. Is a reducing agent, thereby helping to keep iron in the ferrous state; Q2: C. SGLT; Q3: A. duodenum; Q4: B. Secondary active transport of glucose in intestine; Q5: B. Bile salts; Q6: C. Passive transport; Q7: B. Phytates; Q8: B. Colon; Q9: A. Secondary active transport; Q10: A. Protein.
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