Fat-Soluble Vitamins: A, D, E and K
- Previous year questions on Fat-Soluble Vitamins: A, D, E and K for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Biochemistry 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.
- 32 live questions in Fat-Soluble Vitamins: A, D, E and K.
- 8 of 32 questions carry a verified exam year: 2017, 2018, 2019.
- Biochemistry is worth about 16 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 6 Sept 2026.
Q1.Vitamin A is stored in:
- AKupfer cells
- BHepatocytes
- CIto cells✓ Correct answer
- DEndothelial cells of liver
Q2.Which of the following is true about vitamin K?
- Aanticoagulant
- BProlong use of antimicrobial leads to deficiency✓ Correct answer
- Cdietary allowance is 15-20 mg
- Dall of the above
Q3.Gamma Carboxylation of what requires vitamin K
- AGlutamine
- BGlutamic Acid✓ Correct answer
- CGlycine
- DAspartate
Q4.In Vitamin A deficiency, respiratory tract infection due to:
- AKeratinization of upper epithelial cells✓ Correct answer
- BLack of antibody production
- CDysfunction of epithelial layer
- DDefective chemotaxis
Q5.Most abundant form of pro-vitamin A is:-
- ABeta carotene✓ Correct answer
- BAlpha-carotene
- CRetinol
- DRetinaldehyde
Q6.Vitamin K is required for:
- AHydroxylation
- BChelation
- CTransamination
- DCarboxylation✓ Correct answer
Q7.Which of the following fat-soluble vitamin is cell membrane component and antioxidant?
- AVitamin E✓ Correct answer
- BVitamin C
- CVitamin A
- DVitamin K
Q8.True statement about vitamin K is?
- AVitamin K is water soluble
- BVitamin K is needed for action of clotting factor 8
- CVitamin K deficiency leads to DVT
- DVitamin K affects bone health by activating proteins that bind calcium✓ Correct answer
Q9.Which vitamin is transported in chylomicrons as an ester?
- AVitamin E
- BVitamin D
- CVitamin A✓ Correct answer
- DVitamin K
Q10.Vitamin E deficiency is associated with
- AAtaxia✓ Correct answer
- BCholestasis
- CHyperkeratosis
- DPseudotumour cerebri
Answer key
Q1: C. Ito cells; Q2: B. Prolong use of antimicrobial leads to deficiency; Q3: B. Glutamic Acid; Q4: A. Keratinization of upper epithelial cells; Q5: A. Beta carotene; Q6: D. Carboxylation; Q7: A. Vitamin E; Q8: D. Vitamin K affects bone health by activating proteins that bind calcium; Q9: C. Vitamin A; Q10: A. Ataxia.
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