Question 1

Which vitamin is synthesized in the human body when exposed to sunlight?

Accepted Answer

Vitamin D. Vitamin D is produced in the skin through the action of ultraviolet rays. It is essential for the absorption of calcium and phosphorus in the body. Sunlight is the most common natural source for this specific nutrient.

Question 2

Deficiency of which mineral is the most common cause of Goitre?

Accepted Answer

Iodine. Iodine is required by the thyroid gland to produce important hormones. A lack of iodine causes the thyroid to enlarge, resulting in a swelling in the neck. Salt is often fortified with iodine to prevent this nutritional disorder.

Question 3

Which of the following is a water-soluble vitamin?

Accepted Answer

Vitamin C. Vitamin C and all B-complex vitamins are classified as water-soluble. These vitamins are not stored in the body and must be consumed regularly. They are easily excreted through urine if taken in excess.

Question 4

Which vitamin is also known as Retinol?

Accepted Answer

Vitamin A. Retinol is the chemical name for Vitamin A, which is vital for good vision. It helps in the formation and maintenance of healthy skin and mucous membranes. Yellow and orange fruits are excellent sources of this vitamin.

Question 5

Anemia is primarily caused by the deficiency of which mineral?

Accepted Answer

Iron. Iron is a core component of hemoglobin, which carries oxygen in the blood. A deficiency leads to reduced oxygen transport, causing fatigue and weakness. Green leafy vegetables like spinach are rich in dietary iron.

Vitamins & Minerals — Set 1