Biology · 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

The carrier of vitamin A & K in our body is:

  1. proteins

  2. fats

  3. peptides

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

Fats are the compound formed from chemicals called fatty acids. These fats are greasy, solid materials found in animal tissues and fats are the major component of the flabby material of a body, commonly known as blubber. Fat is needed so our body can absorb the fat soluble vitamins A, D, E, K, and prevent deficiencies of these vitamins.

Multiple choice

Vitamin B2 is produced by

  1. Propionibacterium

  2. Ashbya gossypii

  3. Saccharomyces

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

  Ashbya gossypii naturally possesses enzymes that is used to produce vitamin B2, also known as riboflavin.

Multiple choice

Riboflavin is the chemical name of

  1. Vitamin B1

  2. Vitamin B2

  3. Vitamin B6

  4. Vitamin B12
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Riboflavin is the scientific name for Vitamin B2. Vitamin B1 is thiamine, B6 is pyridoxine, and B12 is cobalamin.

Multiple choice

Which of the following is also known as Vitamin K?

  1. Axerophytol

  2. Calciferol

  3. Tocopherol

  4. Antihaemorrahagic

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This option is correct because vitamin K is obtained from green leaves of  cauliflower, cabbage, etc. Its main function is helping in blood coagulation and its deficiency delays the coagulation period. Vitamin K is, hence also known as antihaemorrahagic.

Multiple choice

Which of the following sets is of antioxidants?

  1. Ascorbic acid, Citric acid and Ascisic acid

  2. BHA, Gallic acid and Lacithin

  3. Sodium benzoate, Sorbic acid and BHA

  4. Gallic acid, Lacithin and Abscisic acid

  5. BHA, BHT and Abscisic acid
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This option is correct because all are antioxidants.

Multiple choice

Vitamin E is an example of a/an

  1. artificial sweetening agent

  2. antioxidant

  3. edible colour

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

Antioxidants prevent rancidity in oils and fats. For example, butylated hydroxy anisole is a very common antioxidant. Vitamin-E is a natural antioxidant.

Multiple choice

Which vitamin gets deposited in liver when taken in excess?

  1. Vitamin A

  2. Vitamin B

  3. Vitamin C

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

Fat-soluble vitamins, such as Vitamin A, are stored in the liver and fatty tissues when consumed in excess. Water-soluble vitamins (like B and C) are generally excreted in urine.

Multiple choice

Choose the pair of only fat soluble vitamins from those given below.

  1. Riboflavin and retinol

  2. Calciferol and retinol

  3. Riboflavin and tocoferol

  4. Ascorbic acid and calciferol
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vitamins A, D, E, and K are fat-soluble. Retinol is Vitamin A, and Calciferol is Vitamin D. Riboflavin (B2) and Ascorbic acid (C) are water-soluble.