Vitamins and Their Deficiencies MCQs

1. Which vitamin is also known as ascorbic acid?
(A) Vitamin A
(B) Vitamin B12
(C) Vitamin C
(D) Vitamin D

2. A deficiency of Vitamin D causes which disease?
(A) Scurvy
(B) Rickets
(C) Beriberi
(D) Night blindness

3. Which vitamin is essential for good vision and healthy skin?
(A) Vitamin A
(B) Vitamin B1
(C) Vitamin C
(D) Vitamin D

4. Which disease is caused by a deficiency of Vitamin C?
(A) Rickets
(B) Pellagra
(C) Scurvy
(D) Beriberi

5. Which vitamin helps in blood clotting?
(A) Vitamin A
(B) Vitamin K
(C) Vitamin B6
(D) Vitamin D

6. Pellagra is caused by a deficiency of which vitamin?
(A) Vitamin C
(B) Vitamin D
(C) Vitamin B3 (Niacin)
(D) Vitamin K

7. Which vitamin deficiency causes beriberi?
(A) Vitamin B1 (Thiamine)
(B) Vitamin B2 (Riboflavin)
(C) Vitamin B6
(D) Vitamin A

8. Which vitamin is also called the “sunshine vitamin”?
(A) Vitamin A
(B) Vitamin B12
(C) Vitamin C
(D) Vitamin D

9. Lack of which vitamin leads to night blindness?
(A) Vitamin A
(B) Vitamin C
(C) Vitamin D
(D) Vitamin K

10. Which vitamin is crucial for red blood cell formation?
(A) Vitamin A
(B) Vitamin B12
(C) Vitamin C
(D) Vitamin D

11. Rickets in children and osteomalacia in adults result from a deficiency of:
(A) Vitamin B12
(B) Vitamin D
(C) Vitamin C
(D) Vitamin A

12. Which vitamin is necessary for healthy nerve function and energy production?
(A) Vitamin B1
(B) Vitamin B6
(C) Vitamin B12
(D) All of the above

13. Which vitamin deficiency leads to megaloblastic anemia?
(A) Vitamin C
(B) Vitamin B12
(C) Vitamin D
(D) Vitamin K

14. Which vitamin is known for its antioxidant properties?
(A) Vitamin A
(B) Vitamin C
(C) Vitamin E
(D) Both B & C

15. A deficiency of Vitamin B2 (Riboflavin) can cause:
(A) Cracked lips and mouth sores
(B) Weak bones
(C) Scurvy
(D) Rickets

16. Which vitamin helps in calcium absorption in the body?
(A) Vitamin A
(B) Vitamin B12
(C) Vitamin C
(D) Vitamin D

17. Which vitamin is crucial for DNA synthesis and cell division?
(A) Vitamin B9 (Folic Acid)
(B) Vitamin C
(C) Vitamin D
(D) Vitamin K

18. Lack of Vitamin E can cause:
(A) Weak immune system and muscle weakness
(B) Rickets
(C) Scurvy
(D) Beriberi

19. A deficiency of which vitamin causes delayed blood clotting?
(A) Vitamin A
(B) Vitamin B6
(C) Vitamin C
(D) Vitamin K

20. Which vitamin is water-soluble and needs to be consumed daily?
(A) Vitamin A
(B) Vitamin D
(C) Vitamin C
(D) Vitamin E