Biology ยท 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 nutrient is important for nerve function and cognitive performance in young athletes?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin B12 is essential for nerve function and cognitive performance, and young athletes need a sufficient intake to support their training and performance.

Multiple choice

Which nutrient is important for bone health and muscle function in young athletes?

  1. Calcium

  2. Potassium

  3. Magnesium

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

Calcium is essential for bone health and muscle function, and young athletes need a sufficient intake to support their training and performance.

Multiple choice

Which macronutrient provides the body with energy during exercise?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Carbohydrates are the body's primary source of energy during exercise. They are broken down into glucose, which is then used by muscles for fuel.

Multiple choice

Which micronutrient is involved in the metabolism of carbohydrates, fats, and proteins?

  1. Vitamin B12

  2. Vitamin C

  3. Vitamin D

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

Vitamin B12 is involved in the metabolism of carbohydrates, fats, and proteins. It is also essential for the production of red blood cells.

Multiple choice

Which micronutrient is involved in the absorption of calcium and the maintenance of bone health?

  1. Vitamin D

  2. Vitamin E

  3. Vitamin K

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

Vitamin D is involved in the absorption of calcium and the maintenance of bone health. A deficiency in vitamin D can lead to osteoporosis, which is a condition characterized by weak and brittle bones.

Multiple choice

Which micronutrient is involved in the production of collagen, which is a protein found in connective tissue?

  1. Vitamin C

  2. Vitamin E

  3. Vitamin K

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

Vitamin C is involved in the production of collagen, which is a protein found in connective tissue. Collagen is essential for the strength and integrity of bones, tendons, and ligaments.

Multiple choice

Which macronutrient is essential for muscle growth and repair?

  1. Carbohydrates

  2. Protein

  3. Fats

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

Protein is essential for muscle growth and repair. It is also involved in the production of enzymes and hormones.

Multiple choice

Which vitamin is essential for the absorption of calcium and the maintenance of 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 essential for the absorption of calcium and the maintenance of bone health. A deficiency in vitamin D can lead to osteoporosis, which is a condition characterized by weak and brittle bones.

Multiple choice

Which nutrient is crucial for the development of the central nervous system in infants and young children?

  1. Vitamin A

  2. Vitamin C

  3. Iron

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

Iron is essential for the development of the central nervous system in infants and young children, as it plays a vital role in the production of neurotransmitters and myelin.

Multiple choice

Which nutrient is important for the absorption of calcium and bone health?

  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 is important for the absorption of calcium and bone health, as it helps the body absorb calcium from the intestines and promotes bone mineralization.

Multiple choice

Which of the following is NOT a macronutrient?

  1. Carbohydrates

  2. Proteins

  3. Vitamins

  4. Fats
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. Vitamins are micronutrients that are essential for various bodily functions but do not provide significant energy.

Multiple choice

Which vitamin is responsible for blood clotting and wound healing?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin K

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

Vitamin K is essential for blood clotting and wound healing. It helps in the production of proteins involved in these processes.

Multiple choice

Which vitamin is essential for 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 maintaining healthy vision, particularly night vision. It helps the retina convert light into electrical signals that are sent to the brain.

Multiple choice

Which vitamin is naturally present in milk and essential 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 naturally present in milk and is essential for bone health. It helps the body absorb calcium and promotes bone mineralization.

Multiple choice

What is the process of adding vitamins and minerals to milk to make it more nutritious called?

  1. Fortification

  2. Enrichment

  3. Supplementation

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

Fortification is the process of adding vitamins and minerals to milk to make it more nutritious. This process is often used to ensure that milk meets certain nutritional standards.