Folate, Vitamin B12 and Other Vitamins
- Previous year questions on Folate, Vitamin B12 and Other Vitamins 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.
- 18 live questions in Folate, Vitamin B12 and Other Vitamins.
- 2 of 18 questions carry a verified exam year: 2018, 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.Vit B12 is found maximum in?
- AAnimal products✓ Correct answer
- BGreen leafy vegetables
- CRoots and tubers
- DAll
Q2.vit B12 is found maximum in
- AAnimal products✓ Correct answer
- BGreen leafy vegetables
- CRoots and tubers
- DAll
Q3.Vitamin B12 is found maximum in:
- AAnimal products✓ Correct answer
- BGreen leafy vegetables
- CRoots and tubers
- DSunlight
Q4.False about folic acid
- AIt is present in all the green leafy vegetables
- BIt is proven to decrease the occurrence of neural tube defects when taken pre-natal
- CWheat flour in India is fortified with folate as in USA✓ Correct answer
- DMethyl folate trap is because of methionine synthase defect
Q5.Which of the following may be seen in children with Vitamin C excess?
- AAlopecia
- BOxaluria✓ Correct answer
- CPeripheral neuropathy
- DBenign intracranial hypertension
Q6.Bone affection in scurvy is due to
- APoor mineralization of the osteoid tissue
- BDefective osteoid matrix formation✓ Correct answer
- CDefective calcification in osteoid
- DIncreased degradation of osteoid tissue
Q7.Gingiva is most commonly affected by deficiency of:
- AVitamin A
- BVitamin D
- CVitamin C✓ Correct answer
- DVitamin B
Q8.A 50 years old female on junk food diet presented with point hemorrhages in scalp, bleeding in joints and erythemataous lesions in the skin. X-ray of knee joint was suggestive of hemarthrosis. Problem lies with:
- AHydroxylation of proline and lysine✓ Correct answer
- BCarboxylation of glutamic acid
- CCarboxylation of coagulation factors
- DPlatelet aggregation defect
Q9.Due to which of the following enzyme deficiency, vitamin C cannot be synthesised in humans?
- AL-Glucuronic acid oxidase
- BL-Gulonic acid reductase
- CL-Gulonolactone oxidase✓ Correct answer
- DL-Gulonolactone reductase
Q10.Swollen joint, anemic, loose teeth & dentin dysplasia are because of deficiency of:
- AVitamin C✓ Correct answer
- BVitamin D
- CVitamin B1
- DVitamin E & D
Answer key
Q1: A. Animal products; Q2: A. Animal products; Q3: A. Animal products; Q4: C. Wheat flour in India is fortified with folate as in USA; Q5: B. Oxaluria; Q6: B. Defective osteoid matrix formation; Q7: C. Vitamin C; Q8: A. Hydroxylation of proline and lysine; Q9: C. L-Gulonolactone oxidase; Q10: A. Vitamin C.
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- Glycogen Metabolism and Storage Diseases
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- Bioenergetics and the ETC
- Krebs Cycle
- Amino Acids: Structure and Classification
- Amino Acid Metabolism and Nitrogen Handling
- Inborn Errors of Amino Acid Metabolism
- Levels of Protein Structure and Function
- Urea Cycle and Hyperammonaemia
- Lipids: Classification and Chemistry
- Beta-Oxidation and Ketone Body Formation
- Fatty Acid Synthesis and Eicosanoids
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- Enzyme Kinetics, Inhibition and Regulation
- Fat-Soluble Vitamins: A, D, E and K
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- Minerals and Antioxidant Systems
- Nucleotide Metabolism and Its Disorders
- DNA Packaging, Replication and Repair
- Transcription and RNA Processing
- Translation and Post-Translational Modification
- Control of Gene Expression
- Recombinant DNA and Genomic Techniques