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

Vitamin C is essential for ________________.

  1. healthy gums, bones and teeth

  2. formation of erythrocytes and antibodies

  3. maintenance of walls of the blood capillaries

  4. all of the above

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

Vitamin C is essential for healthy gums, bones and teeth and formation of erythrocytes and antibodies. It helps to maintain the walls of the blood capillaries. 

Multiple choice

The ‘anti-beriberi factor’ is called so because of the fact that the problem of beriberi increases greatly when the concerned diet lacks this factor.

Which of the following vitamins is popularly known as anti-beriberi factor?

  1. Vitamin B1

  2. Vitamin B3

  3. Vitamin B6

  4. Vitamin B12

  5. Vitamin C
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Vitamin B1 or thiamine is popularly called anti-beriberi factor as well as anti-neuritic factor. Dry beriberi is characterized by rapid weight loss and muscle wasting while wet beriberi type is characterized additionally by generalized edema.

Multiple choice

Vitamin B12 is a water-soluble vitamin forming the part of the vitamin B complex.

Which of the following chemical tests help us to measure the rate of absorption of vitamin B12 from our intestine?

  1. Acrolein test

  2. Anthrone test

  3. Carr-Price test

  4. Schilling test

  5. Sulkowitch test
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Schilling test refers to a test performed by administering vitamin B12, labelled with radioactive cobalt to an individual that helps to measure the rate of absorption of vitamin B12 from intestine.

Multiple choice

The ‘anti-dermatitis factor’ is called so because of the fact that the problem of skin inflammation increased greatly when the concerned diet lacked this factor. Which of the following vitamins is popularly known as anti-dermatitis factor?

  1. Vitamin C

  2. Vitamin B1

  3. Vitamin B3

  4. Vitamin B6

  5. Vitamin B12
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vitamin B6 is popularly known as anti-dermatitis factor. The vitamin B6 was originally given the name of ‘anti-dermatitis factor’ due to the fact that the problem of skin inflammation increased greatly when the concerned diet lacked this vitamin.

Multiple choice

Carbohydrates, proteins, fats and minerals are collectively known as

  1. fibres

  2. roughage

  3. vitamins

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

Carbohydrates, proteins, fats and minerals are the most essential components of our diet, and they are collectively known as nutrients. Roughage refers to the fibrous part of our food like green leafy vegetables, salads, fruits, etc. Vitamins themselves are components of nutrients.   

Multiple choice

The chemical name of vitamin E is

  1. tocopherol

  2. calciferol

  3. carotene

  4. maltose

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

Vitamin E is the collective name for a set of eight related tocopherols and tocotrienols. 

Multiple choice

Deficiency of which vitamin causes the cracking of lips at the corner?

  1. Vitamin A

  2. Vitamin B2

  3. Vitamin C

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Angular cheilitis (cracking at mouth corners) is a classic sign of riboflavin (Vitamin B2) deficiency. This B vitamin is essential for skin and mucous membrane health. Other B vitamin deficiencies cause different symptoms: B1 (beriberi), B3 (pellagra), and B12 (anemia).