B-Complex Vitamins in Energy Metabolism
- Previous year questions on B-Complex Vitamins in Energy Metabolism 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.
- 198 live questions in B-Complex Vitamins in Energy Metabolism.
- 7 of 198 questions carry a verified exam year: 2017, 2019, 2020.
- Biochemistry is worth about 16 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 6 Sept 2026.
Q1.Disease due to deficiency of B Complex vitamins is
- APellagra✓ Correct answer
- BNight blindness
- COsteomalacia
- DSpinocerebellar ataxia
Q2.A 20 year old alcoholic malnourished patient presented to hospital with respiratory distress. His pulse was 112/minute. Patient had edema, hypertension, systolic murmur along the left sternal edge. Bilateral crepitations were felt in the lungs. A diagnosis of congestive high output cardiac failure was made. Which vitamin is deficient?
- AVitamin B1✓ Correct answer
- BVitamin C
- CVitamin B2
- DVitamin B 6
Q3.Wernicke's encephalopathy is due to deficiency of:
- AThiamine✓ Correct answer
- BB6
- CNiacin
- DB12
Q4.Drugs causing pyridoxine deficiency are the following except
- AHydralazine
- BGriseofulvin✓ Correct answer
- CCycloserine
- DPenicillamine
Q5.Which of the following enzymes, requires Biotin as the coenzyme
- APyruvate Dehydrogenase
- BPyruvate Kinase
- CPyruvate Carboxylase✓ Correct answer
- DPEP Carboxy Kinase
Q6.Corneal vascularization is seen in deficiency of which vitamin?
- AB1
- BB2✓ Correct answer
- CB3
- DB4
Q7.Thiamine acts as a cofactor in :
- AConversion of pyruvate to acetyl-CoA✓ Correct answer
- BTransa mina tion reactions
- COxidation in respiratory chain
- DConversion of pyridoxal to pyridoxal phosphate
Q8.What is the name of this appearance which is seen in pellagra?
- ABurn
- BCasal's necklace✓ Correct answer
- CShawl sign
- DGottron's papule
Q9.A female on maize as staple diet Its diarrhea and lesion in the neck region It is deficiency of
- ANiacin✓ Correct answer
- BZinc
- Cthiamine
- DRiboflavin
Q10.Vitamin deficiency associated with increase xanthurenic acid excretion in urine
- AThiamine
- BPyridoxine✓ Correct answer
- CAscorbic acid
- DNiacin
Answer key
Q1: A. Pellagra; Q2: A. Vitamin B1; Q3: A. Thiamine; Q4: B. Griseofulvin; Q5: C. Pyruvate Carboxylase; Q6: B. B2; Q7: A. Conversion of pyruvate to acetyl-CoA; Q8: B. Casal's necklace; Q9: A. Niacin; Q10: B. Pyridoxine.
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