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 vitamin is crucial for maintaining healthy vision?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin A is essential for maintaining good vision, particularly in dim light, and plays a role in the prevention of night blindness.

Multiple choice

Which vitamin is necessary for the absorption of calcium?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin D is essential for the absorption of calcium from the intestines, promoting bone health and preventing conditions like osteoporosis.

Multiple choice

Which of the following nutrients is particularly important for a healthy immune system?

  1. Vitamin C

  2. Zinc

  3. Vitamin D

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vitamin C, zinc, and vitamin D are all essential nutrients for a healthy immune system.

Multiple choice

Which vitamin is naturally present in milk and is 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

Milk naturally contains vitamin D, which is essential for bone health. Vitamin D helps the body absorb calcium, which is necessary for strong bones and teeth.

Multiple choice

Which of the following is a common nutritional deficiency among the elderly?

  1. Vitamin D

  2. Vitamin B12

  3. Calcium

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vitamin D, Vitamin B12, and Calcium are all common nutritional deficiencies among the elderly. Vitamin D is important for bone health, Vitamin B12 is important for nerve function, and Calcium is important for bone and muscle health.

Multiple choice

Which vitamin is responsible for helping the body absorb calcium?

  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 helping the body absorb calcium from food.

Multiple choice

What is the role of nutrition in wound healing?

  1. Protein is essential for tissue repair

  2. Vitamin C is important for collagen synthesis

  3. Zinc is involved in wound healing

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Protein, vitamin C, and zinc are all essential nutrients for wound healing.

Multiple choice

Which fruit juice is known for its high vitamin A content and potential benefits for eye health?

  1. Carrot Juice

  2. Mango Juice

  3. Apricot Juice

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

Carrot juice is a good source of vitamin A, which is essential for maintaining healthy vision and supporting overall eye health.

Multiple choice

Which macronutrient is the primary source of energy for athletes during intense exercise?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Carbohydrates are the body's primary source of energy, especially during high-intensity exercise. They provide the fuel needed for muscles to perform optimally.

Multiple choice

Which vitamin is essential for the absorption of calcium and plays a crucial role in 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 plays a crucial role in maintaining bone health and preventing osteoporosis.

Multiple choice

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

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin B12 is essential for the production of red blood cells, which carry oxygen throughout the body.

Multiple choice

Which vitamin is essential for the metabolism of carbohydrates, proteins, and fats?

  1. Vitamin A

  2. Vitamin B1

  3. Vitamin C

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

Vitamin B1, also known as thiamine, is essential for the metabolism of carbohydrates, proteins, and fats, providing energy for the body.

Multiple choice

Which vitamin is essential for the absorption of iron?

  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 enhances the absorption of iron from plant-based foods, making it an important nutrient for athletes who follow a vegetarian or vegan diet.

Multiple choice

Which micronutrient is particularly important for sexual and reproductive health?

  1. Iron

  2. Iodine

  3. Zinc

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

Iron, iodine, zinc, and vitamin A are all essential micronutrients for sexual and reproductive health. Iron is necessary for the production of red blood cells, which carry oxygen to the reproductive organs. Iodine is important for the production of thyroid hormones, which regulate metabolism and growth. Zinc is involved in the production of sperm and testosterone. Vitamin A is essential for the development of the reproductive organs and the maintenance of a healthy immune system.

Multiple choice

Which growth factor is important for bone formation and repair?

  1. Bone morphogenetic protein (BMP)

  2. Platelet-derived growth factor (PDGF)

  3. Transforming growth factor-beta (TGF-beta)

  4. Fibroblast growth factor (FGF)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Bone morphogenetic protein (BMP) is important for bone formation and repair.