Biology · General Awareness

Vitamins and Nutrition

1,549 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

Balanced diet contains

  1. all vitamins

  2. ghee and milk in more quantity

  3. protective elements in enough quantity

  4. nutrition and immunity increasing items in required quantity
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A balanced diet is defined as one that provides all the necessary nutrients, including carbohydrates, proteins, fats, vitamins, and minerals, in the correct proportions to maintain health and immunity.

Multiple choice

In human systems, vitamins cannot

  1. help in digestion

  2. help in metabolising drugs

  3. help in growth

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

Vitamins are micronutrients that regulate body processes but do not provide calories or energy to the body.

Multiple choice

Match the entries in column I (coenzyme) and column II (its dietary precursor in mammals) and select the correct answer.

 
Column I
Column II
P. Coenzyme A 1. Vitamin B1
Q. Flavin adenine dinucleotide 2. Vitamin B6
R. Thiamine pyrophosphate 3. Vitamin B12
S. Pyridoxal phosphate 4. Vitamin B5

  1. P - 1; Q - 3; R - 2; S - 4

  2. P - 2; Q - 4; R - 1; S - 3

  3. P - 3; Q - 4; R - 1; S - 2

  4. P - 4; Q - 3; R - 1; S - 2

  5. P - 4; Q - 3; R - 2; S - 1
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Dietary precursor of coenzyme A is vitamin B5. Dietary precursor of flavin adenine dinucleotide is vitamin B12. Dietary precursor of thiamine pyrophosphate is vitamin B1. Dietary precursor of pyridoxal phosphate is vitamin B6.

Multiple choice

All of the following foods lack vitamin C, except

  1. milk

  2. meat

  3. rice

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

Vitamin C, also known as ascorbic acid, is found in fresh fruits, berries and green vegetables. It is one of the water soluble vitamins. Foods that are good sources of vitamin C include papaya, broccoli, brussels, milk, sprouts, blackcurrants, strawberries, cauliflower, spinach, cantaloupe, green peppers, and kiwifruit. 

Multiple choice

Which of the following have maximum calorific value?

  1. Vitamins

  2. Proteins

  3. Carbohydrates

  4. Fats
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The calories or thermal units contained in one unit of a substance and released when the substance is burned. Carbohydrates have maximum calorific value. 

Multiple choice

Vitamin B2 is also called as

  1. thiamine

  2. riboflavin

  3. niacine

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

Vitamin B2 is riboflavin, essential for energy metabolism and cellular function. Thiamine is B1, niacin is B3.

Multiple choice

Vitamin B2 (Riboflavin) functions as coenzyme in

  1. Cellular oxidation

  2. NAD

  3. TPP

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

Vitamin B2 (Riboflavin) is a precursor to FAD and FMN, which act as coenzymes in various redox reactions, including cellular oxidation processes in the electron transport chain.