Q.1 Which vitamin is primarily responsible for the regulation of calcium and phosphorus in the body?
Vitamin A
Vitamin B12
Vitamin D
Vitamin C
Explanation - Vitamin D helps regulate calcium and phosphorus, promoting their absorption in the intestines and maintaining bone health.
Correct answer is: Vitamin D
Q.2 Which of the following is the primary function of vitamin A?
Antioxidant protection
Vision and immune function
Calcium absorption
DNA repair
Explanation - Vitamin A is crucial for maintaining healthy vision and a properly functioning immune system.
Correct answer is: Vision and immune function
Q.3 Which mineral is essential for the proper functioning of the thyroid gland?
Iron
Zinc
Iodine
Calcium
Explanation - Iodine is a critical component of thyroid hormones, which regulate metabolism and growth.
Correct answer is: Iodine
Q.4 Which vitamin deficiency is most commonly associated with scurvy?
Vitamin A
Vitamin C
Vitamin K
Vitamin D
Explanation - Scurvy is caused by a deficiency of Vitamin C, which is essential for collagen synthesis.
Correct answer is: Vitamin C
Q.5 Which of the following is a source of Vitamin K?
Leafy green vegetables
Citrus fruits
Dairy products
Red meat
Explanation - Vitamin K is found in high concentrations in leafy greens and is important for blood clotting.
Correct answer is: Leafy green vegetables
Q.6 Which mineral is involved in oxygen transport and is a key component of hemoglobin?
Calcium
Magnesium
Iron
Zinc
Explanation - Iron is the core element of hemoglobin, the protein that carries oxygen in red blood cells.
Correct answer is: Iron
Q.7 What is the primary function of folate (Vitamin B9)?
DNA synthesis
Vision
Bone health
Antioxidant activity
Explanation - Folate is critical for DNA synthesis and repair, making it important for cell division and growth.
Correct answer is: DNA synthesis
Q.8 Which of the following is the primary role of Vitamin E in the body?
Bone health
Antioxidant protection
Blood clotting
Immune support
Explanation - Vitamin E is a potent antioxidant that protects cells from oxidative damage.
Correct answer is: Antioxidant protection
Q.9 Which of the following is a good source of Vitamin B12?
Eggs
Carrots
Spinach
Bananas
Explanation - Vitamin B12 is primarily found in animal products, such as eggs, meat, and dairy.
Correct answer is: Eggs
Q.10 Which of the following minerals is essential for bone formation and maintenance?
Phosphorus
Sodium
Potassium
Iron
Explanation - Phosphorus works in conjunction with calcium to form strong bones and teeth.
Correct answer is: Phosphorus
Q.11 Which vitamin deficiency can lead to rickets in children?
Vitamin D
Vitamin A
Vitamin B12
Vitamin C
Explanation - A deficiency in Vitamin D impairs calcium absorption, leading to rickets, a condition where bones become soft and weak.
Correct answer is: Vitamin D
Q.12 Which nutrient is primarily involved in the maintenance of healthy skin, hair, and nails?
Vitamin A
Vitamin C
Biotin
Vitamin K
Explanation - Biotin, a B-vitamin, plays a vital role in maintaining healthy skin, hair, and nails.
Correct answer is: Biotin
Q.13 Which of the following vitamins is necessary for proper nerve function?
Vitamin B1 (Thiamine)
Vitamin D
Vitamin C
Vitamin A
Explanation - Thiamine is crucial for nerve function and carbohydrate metabolism.
Correct answer is: Vitamin B1 (Thiamine)
Q.14 Which mineral is necessary for the proper function of the enzyme carbonic anhydrase?
Copper
Iron
Magnesium
Zinc
Explanation - Zinc is a cofactor for many enzymes, including carbonic anhydrase, which plays a role in carbon dioxide transport.
Correct answer is: Zinc
Q.15 Which of the following micronutrients is most involved in the production of red blood cells?
Vitamin A
Iron
Folate
Vitamin B12
Explanation - Iron is essential for the production of hemoglobin, which is found in red blood cells and carries oxygen.
Correct answer is: Iron
Q.16 Which of the following vitamins helps in the absorption of iron from plant sources?
Vitamin A
Vitamin C
Vitamin E
Vitamin D
Explanation - Vitamin C enhances the absorption of non-heme iron (iron from plant sources) by reducing it to a more absorbable form.
Correct answer is: Vitamin C
Q.17 Which vitamin deficiency leads to the condition known as beriberi?
Vitamin B1 (Thiamine)
Vitamin B12
Vitamin C
Vitamin D
Explanation - Beriberi is caused by a deficiency in Vitamin B1 (Thiamine) and affects the nervous and cardiovascular systems.
Correct answer is: Vitamin B1 (Thiamine)
Q.18 Which of the following is a primary source of iodine?
Seafood
Citrus fruits
Leafy vegetables
Meat
Explanation - Seafood, particularly fish and shellfish, are excellent sources of iodine, which is vital for thyroid function.
Correct answer is: Seafood
Q.19 Which of the following vitamins is crucial for the formation of red blood cells?
Vitamin B12
Vitamin A
Vitamin D
Vitamin K
Explanation - Vitamin B12 is essential for the production of red blood cells and for the proper functioning of the nervous system.
Correct answer is: Vitamin B12