Biology ยท 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

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.

Multiple choice

Which nutrient is crucial for the production of energy in cells and the metabolism of carbohydrates, fats, and proteins?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

  4. Vitamin B1 (Thiamine)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vitamin B1 (Thiamine) is essential for energy production and the metabolism of macronutrients.

Multiple choice

Which nutrient is necessary for the synthesis of thyroid hormones, which regulate metabolism and growth?

  1. Iodine

  2. Iron

  3. Calcium

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

Iodine is essential for the production of thyroid hormones, which play a crucial role in metabolism and growth.

Multiple choice

Which of the following nutrients is NOT typically found in salads?

  1. Vitamin C

  2. Vitamin A

  3. Carbohydrates

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

Salads are primarily composed of vegetables, which are rich in vitamins and minerals, but they typically do not contain significant amounts of carbohydrates.

Multiple choice

Which of the following is NOT a macronutrient?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Vitamins are micronutrients, not macronutrients.

Multiple choice

Which vitamin is important for bone health?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin D is important for bone health.

Multiple choice

Which of the following is a macronutrient?

  1. Protein

  2. Vitamin C

  3. Calcium

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

Macronutrients are nutrients that the body needs in large amounts to provide energy and build and repair tissues. Protein is one of the three macronutrients, along with carbohydrates and fats.