Vitamins MCQ Questions and Answers for Practice

1. Deficiency of which one of these vitamins is a major cause of blindness?

1. Vitamin A
2. Vitamin B₁₂
3. Vitamin B₆
4. Vitamin D

2. Deficiency of which one of these vitamins may lead to haemolytic anaemia?

1. Vitamin B₆
2. Vitamin B₁₂
3. Vitamin D
4. Vitamin E

3. Deficiency of which one of these vitamins may lead to hypochromic anaemia?

1. Vitamin B₆
2. Vitamin B₁₂
3. Vitamin D
4. Vitamin E

4. Deficiency of which one of these vitamins may lead to megaloblastic anaemia?

1. Vitamin B₆
2. Vitamin B₁₂
3. Vitamin D
4. Vitamin E

5. Which of the following vitamins is essential for fatty acid synthesis?

1. Biotin
2. Folate
3. Vitamin B₆
4. Vitamin B₁₂

6. Which of the following vitamins is essential for fatty acid synthesis?

1. Folate
2. Pantothenic acid
3. Vitamin B₆
4. Vitamin B₁₂

7. Which of the following vitamins is essential for gluconeogenesis from lactate?

1. Biotin
2. Folate
3. Pantothenic acid
4. Vitamin B₆

8. Which of the following vitamins provides the cofactor for pyruvate dehydrogenase?

1. Folate
2. Niacin
3. Riboflavin
4. Thiamin

9. Which of the following vitamins provides the cofactor for reduction reactions in fatty acid synthesis?

1. Folate
2. Niacin
3. Riboflavin
4. Thiamin

10. Which of the following vitamins provides the cofactor for transamination of amino acids?

1. Folate
2. Niacin
3. Riboflavin
4. Vitamin B₆

11. Which of the following vitamins provides the cofactor for transfer of one-carbon units?

1. Folate
2. Niacin
3. Riboflavin
4. Thiamin

12. Which one of these vitamins has a role as an antioxidant?

1. Biotin
2. Folate
3. Niacin
4. Pantothenic acid

13. Which one of these vitamins has a role in oxidation and reduction reactions?

1. Folate
2. Niacin
3. Pantothenic acid
4. Vitamin A

14. Which one of these vitamins has a role in oxidation and reduction reactions?

1. Biotin
2. Folate
3. Riboflavin
4. Vitamin E

15. Which one of these vitamins is involved in blood clotting?

1. Vitamin B₆
2. Vitamin B₁₂
3. Vitamin D
4. Vitamin K