Biology ยท General Awareness

Vitamins and Nutrition

1,711 Questions

Review essential concepts of human nutrition, focusing on macro and micronutrients. The questions cover vitamin deficiencies, sources, and their physiological roles such as blood clotting and vision. This material is highly relevant for the general science section of various government exams.

Vitamin sources and functionsMacronutrients for energyBlood coagulation vitaminsDeficiency diseasesNutrient absorption mechanisms

Vitamins and Nutrition Questions

Multiple choice

Which one of the following is a vitamin?

  1. Pepsin

  2. Carotene

  3. Keratin

  4. Progesterone
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carotene (specifically beta-carotene) is a pigment that the body converts into Vitamin A, making it a provitamin.

Multiple choice

Which pair contains vitamins of B-group?

  1. Riboflavin and tocopherol

  2. Niacin and thiamine

  3. Thiamine and calciferol

  4. Riboflavin and retinol
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Niacin is Vitamin B3 and Thiamine is Vitamin B1; both are members of the B-complex vitamin group.

Multiple choice

Which is the other name of vitamin C?

  1. Melanamic acid

  2. Selenic acid

  3. Ascorbic acid

  4. Sodium halite

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vitamin C is chemically known as ascorbic acid. It is an essential nutrient involved in tissue repair and enzymatic functions.

Multiple choice

Which one of the following sets comprises of antioxidants?

  1. Abscisic acid, BHA, BHT

  2. Gallic acid, lacithin, abscisic acid

  3. Sodium benzoate, sorbic acid, BHA

  4. BHA, gallic acid, lacithin

  5. Ascorbic acid, citric acid, ascisic acid
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This option is correct because all are antioxidants.

Multiple choice

Which one of the following is most likely to lead to a decrease in the need for early top-up blood transfusion for extremely preterm infants?

  1. Iron supplementation

  2. Erythropoietin

  3. Vitamin E supplementation

  4. Decreased frequency of blood sampling

  5. Folate supplementation
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In preterm infants, Iron stores are low and exhausted quickly because of the infant's rapid growth rate. However routine administration of iron is controversial and not given in all units

Multiple choice

Which of the following vitamins is soluble in water?

  1. Vitamin A

  2. Vitamin B

  3. Vitamin E

  4. Vitamin D
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vitamins are classified as either fat-soluble (A, D, E, K) or water-soluble (B-complex and C). Vitamin B is water-soluble, meaning it is not stored in the body and must be replenished regularly.