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

Which is the vitamin contained in the fruit gooseberry?

  1. Vitamin A

  2. Vitamin B

  3. Vitamin C

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

Gooseberry (Amla) is well-known for being an exceptionally rich source of Vitamin C. It is often recommended for boosting immunity due to this high concentration.

Multiple choice

Who discovered the vitamin D?

  1. John Mac

  2. Mc collum

  3. Stefan sivani

  4. Romeo mark

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

Elmer McCollum and his colleagues are credited with the discovery of Vitamin D in 1922. They identified it as a distinct substance from Vitamin A that could prevent rickets. McCollum was a pioneer in nutrition science and also discovered Vitamin A.

Multiple choice

Which vitamin is stored in the liver?

  1. Vitamin A

  2. Vitamin B

  3. Vitamin C

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

The liver is a primary storage site for fat-soluble vitamins, including Vitamin A. While other vitamins are present in the body, Vitamin A is notably stored in significant quantities in the liver.

Multiple choice

Which Vitamin diminishes when heated?

  1. E

  2. B1

  3. C

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

Vitamin C (ascorbic acid) is highly heat-sensitive and is easily destroyed or degraded when exposed to high temperatures during cooking or processing.

Multiple choice

The chemical name of vitamin C is _____.

  1. citric acid

  2. ascorbic acid

  3. oxalic acid

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

Vitamin C or L-ascorbic acid or L-ascorbate is an essential nutrient for humans and certain other animal species. In living organisms, ascorbate acts as an antioxidant by protecting the body against oxidative stress. It is also a cofactor in at least eight enzymatic reactions including several collagen synthesis reactions that, when dysfunctional, cause the most severe symptoms of scurvy. In animals, these reactions are especially important in wound-healing and in preventing bleeding from capillaries.

Multiple choice

The vitamin that helps in blood clotting is

  1. Vitamin C

  2. Vitamin D

  3. Vitamin E

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

Vitamin K is essential for the synthesis of proteins required for blood coagulation. Without sufficient Vitamin K, the body cannot produce these clotting factors effectively.

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 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.