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 of the following is a macronutrient?

  1. Water

  2. Vitamins

  3. Carbohydrates

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

Carbohydrates, proteins, and fats are the three macronutrients that provide the body with energy and building blocks for growth and repair.

Multiple choice

Which macronutrient is essential for the absorption of fat-soluble vitamins?

  1. Proteins

  2. Fats

  3. Carbohydrates

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

Fats are essential for the absorption of fat-soluble vitamins, such as vitamins A, D, E, and K.

Multiple choice

Which fruit is a good source of vitamin C?

  1. Orange

  2. Banana

  3. Apple

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

Oranges are an excellent source of vitamin C, which is essential for immune function and skin health.

Multiple choice

Which fruit is a good source of vitamin A?

  1. Mango

  2. Orange

  3. Apple

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

Mangoes are a good source of vitamin A, which is essential for vision and immune function.

Multiple choice

Which fruit is a good source of vitamin K?

  1. Kiwi

  2. Orange

  3. Banana

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

Kiwis are a good source of vitamin K, which is essential for blood clotting and bone health.

Multiple choice

Which of the following is NOT a micronutrient?

  1. Vitamin A

  2. Calcium

  3. Iron

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

Sodium is a macronutrient, while Vitamin A, Calcium, and Iron are micronutrients.

Multiple choice

Which micronutrient is essential for the production of red blood cells?

  1. Vitamin B12

  2. Vitamin D

  3. Zinc

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

Vitamin B12 is crucial for the production of red blood cells and the synthesis of DNA.

Multiple choice

Which micronutrient is essential for the absorption of calcium?

  1. Vitamin D

  2. Vitamin K

  3. Vitamin C

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

Vitamin D is crucial for the absorption of calcium and maintaining bone health.

Multiple choice

Which micronutrient is involved in the production of collagen, the main protein in connective tissue?

  1. Vitamin C

  2. Vitamin K

  3. Vitamin D

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

Vitamin C is essential for the production of collagen, which provides strength and structure to connective tissue.

Multiple choice

Which of the following is NOT a type of vitamin that is essential for human health?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

  4. Vitamin E

  5. Carbohydrates
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Carbohydrates are not a type of vitamin. Vitamins are organic compounds that are essential for human health in small amounts.

Multiple choice

Which nutrient is essential for the formation of red blood cells and the prevention of anemia?

  1. Vitamin A

  2. Iron

  3. Calcium

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

Iron is crucial for the synthesis of hemoglobin, which carries oxygen in the blood.

Multiple choice

Which vitamin is necessary for the absorption of calcium and the maintenance of healthy bones and teeth?

  1. Vitamin A

  2. Vitamin D

  3. Vitamin C

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

Vitamin D aids in the absorption of calcium, promoting bone health and preventing osteoporosis.

Multiple choice

Which vitamin is essential for preventing night blindness and maintaining healthy vision?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin A is crucial for vision, particularly in dim light conditions, and prevents night blindness.

Multiple choice

Which vitamin is necessary for the formation of collagen, a protein that provides structure to connective tissues?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin C is essential for the synthesis of collagen, a vital component of connective tissues.