Vitamins and minerals MCQs December 27, 2025August 2, 2024 by u930973931_answers 50 min Score: 0 Attempted: 0/50 Subscribe 1. Which vitamin is known for its role in maintaining healthy vision? (A) Vitamin D (B) Vitamin B12 (C) Vitamin C (D) Vitamin A 2. What is the primary function of Vitamin D in the body? (A) Immune system support (B) Red blood cell formation (C) Antioxidant protection (D) Bone health 3. Which vitamin is essential for the synthesis of collagen? (A) Vitamin A (B) Vitamin B12 (C) Vitamin C (D) Vitamin K 4. Which mineral is crucial for the formation of thyroid hormones? (A) Iodine (B) Calcium (C) Iron (D) Zinc 5. Which vitamin deficiency can lead to rickets in children? (A) Vitamin D (B) Vitamin B12 (C) Vitamin C (D) Vitamin A 6. Which mineral is most commonly associated with anemia due to its role in hemoglobin formation? (A) Calcium (B) Magnesium (C) Iron (D) Sodium 7. Which vitamin is known for its role in blood clotting? (A) Vitamin K (B) Vitamin B12 (C) Vitamin C (D) Vitamin A 8. Which vitamin is primarily found in animal products and is important for nerve function? (A) Vitamin B12 (B) Vitamin A (C) Vitamin C (D) Vitamin E 9. What is the primary source of Vitamin D for humans? (A) Sunlight (B) Citrus fruits (C) Green leafy vegetables (D) Whole grains 10. Which mineral is vital for muscle contraction and nerve function? (A) Magnesium (B) Potassium (C) Sodium (D) Calcium 11. Which vitamin deficiency is associated with scurvy? (A) Vitamin A (B) Vitamin B12 (C) Vitamin C (D) Vitamin E 12. Which mineral helps in the formation of hemoglobin and myoglobin? (A) Potassium (B) Calcium (C) Zinc (D) Iron 13. Which vitamin acts as an antioxidant and is important for skin health? (A) Vitamin A (B) Vitamin B12 (C) Vitamin C (D) Vitamin K 14. Which vitamin is important for maintaining healthy skin and mucous membranes? (A) Vitamin E (B) Vitamin D (C) Vitamin A (D) Vitamin K 15. Which mineral is crucial for maintaining fluid balance and blood pressure? (A) Magnesium (B) Calcium (C) Iron (D) Sodium 16. Which vitamin is necessary for the absorption of calcium and phosphorus? (A) Vitamin A (B) Vitamin D (C) Vitamin E (D) Vitamin K 17. Which vitamin is known to have a protective effect against cardiovascular disease? (A) Vitamin A (B) Vitamin B6 (C) Vitamin E (D) Vitamin C 18. Which mineral is important for wound healing and immune function? (A) Iron (B) Zinc (C) Calcium (D) Potassium 19. Which vitamin deficiency can lead to pernicious anemia? (A) Vitamin A (B) Vitamin C (C) Vitamin B12 (D) Vitamin D 20. Which vitamin is involved in carbohydrate metabolism and is found in whole grains and legumes? (A) Vitamin A (B) Vitamin C (C) Vitamin B6 (D) Vitamin B1 21. Which mineral helps in maintaining strong bones and teeth? (A) Iron (B) Sodium (C) Calcium (D) Phosphorus 22. Which vitamin is associated with the prevention of neural tube defects during pregnancy? (A) Vitamin A (B) Vitamin B12 (C) Vitamin C (D) Folate (Vitamin B9) 23. Which mineral is essential for energy production and metabolism? (A) Iron (B) Zinc (C) Magnesium (D) Potassium 24. Which vitamin is required for the synthesis of neurotransmitters and the formation of red blood cells? (A) Vitamin C (B) Vitamin B12 (C) Vitamin D (D) Vitamin E 25. Which vitamin deficiency can lead to a condition known as “night blindness”? (A) Vitamin C (B) Vitamin B2 (C) Vitamin A (D) Vitamin D 26. Which mineral is involved in maintaining the balance of fluids in the body and nerve function? (A) Calcium (B) Sodium (C) Potassium (D) Phosphorus 27. Which vitamin is known for its role in DNA synthesis and cell division? (A) Vitamin A (B) Vitamin E (C) Vitamin C (D) Vitamin B9 28. Which mineral is crucial for the synthesis of thyroid hormones and is commonly found in iodized salt? (A) Iron (B) Iodine (C) Calcium (D) Magnesium 29. Which vitamin is known to help with iron absorption and is found in citrus fruits and green vegetables? (A) Vitamin C (B) Vitamin B12 (C) Vitamin A (D) Vitamin D 30. Which mineral is involved in muscle function and bone health and is found in dairy products? (A) Potassium (B) Iron (C) Calcium (D) Zinc 31. Which vitamin is important for healthy red blood cells and nerve function and is found in animal products? (A) Vitamin A (B) Vitamin B12 (C) Vitamin C (D) Vitamin D 32. Which mineral is necessary for the maintenance of healthy teeth and bones and is involved in energy metabolism? (A) Sodium (B) Phosphorus (C) Iron (D) Potassium 33. Which vitamin is involved in the metabolism of amino acids and is essential for neurotransmitter synthesis? (A) Vitamin C (B) Vitamin B12 (C) Vitamin B6 (D) Vitamin D 34. Which vitamin deficiency can lead to a bleeding disorder due to its role in blood clotting? (A) Vitamin A (B) Vitamin B12 (C) Vitamin K (D) Vitamin C 35. Which mineral is important for the synthesis of collagen and has antioxidant properties? (A) Iron (B) Zinc (C) Calcium (D) Magnesium 36. Which vitamin is important for maintaining healthy skin and may have protective effects against UV radiation? (A) Vitamin E (B) Vitamin B12 (C) Vitamin C (D) Vitamin A 37. Which mineral is essential for the proper functioning of enzymes involved in digestion and metabolism? (A) Calcium (B) Sodium (C) Zinc (D) Phosphorus 38. Which vitamin is involved in the synthesis of coenzyme A and helps in energy metabolism? (A) Vitamin B1 (B) Vitamin B6 (C) Vitamin B5 (D) Vitamin B12 39. Which mineral is found in high concentrations in the body and is vital for maintaining bone density? (A) Sodium (B) Potassium (C) Iron (D) Calcium 40. Which vitamin plays a crucial role in the prevention of neural tube defects during pregnancy? (A) Vitamin A (B) Vitamin B9 (Folate) (C) Vitamin C (D) Vitamin D 41. Which vitamin is necessary for the synthesis of neurotransmitters such as serotonin and norepinephrine? (A) Vitamin D (B) Vitamin B12 (C) Vitamin C (D) Vitamin B6 42. Which mineral helps in the regulation of blood pressure and fluid balance in the body? (A) Magnesium (B) Sodium (C) Calcium (D) Potassium 43. Which vitamin deficiency is known to cause a condition called “beriberi”? (A) Vitamin D (B) Vitamin B12 (C) Vitamin C (D) Vitamin B1 44. Which mineral is a component of thyroid hormones and is essential for metabolism? (A) Zinc (B) Iron (C) Calcium (D) Iodine 45. Which vitamin is known to help reduce oxidative stress and support immune function? (A) Vitamin A (B) Vitamin D (C) Vitamin C (D) Vitamin K 46. Which mineral is required for the synthesis of hemoglobin and is found in red meat and leafy greens? (A) Iron (B) Calcium (C) Sodium (D) Magnesium 47. Which vitamin is crucial for the absorption of calcium and phosphorus in the intestines? (A) Vitamin D (B) Vitamin B12 (C) Vitamin C (D) Vitamin A 48. Which mineral helps in the formation of bones and teeth and is involved in energy metabolism? (A) Iron (B) Sodium (C) Phosphorus (D) Potassium 49. Which vitamin is essential for the synthesis of coenzyme Q10 and is important for cellular energy production? (A) Vitamin B2 (B) Vitamin B6 (C) Vitamin B12 (D) Vitamin B7 50. Which mineral is important for proper nerve function and is found in bananas, oranges, and potatoes? (A) Calcium (B) Sodium (C) Iron (D) Potassium