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 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.

Multiple choice

Which of the following is NOT a macronutrient essential for a balanced diet?

  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. Macronutrients provide the body with energy and building blocks for growth and repair.

Multiple choice

Which nutrient is particularly important for cancer patients undergoing chemotherapy?

  1. Vitamin C

  2. Vitamin D

  3. Iron

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

Protein is particularly important for cancer patients undergoing chemotherapy, as it helps repair damaged tissues and supports immune function.

Multiple choice

Legumes and pulses are a good source of which of the following vitamins?

  1. Vitamin B1

  2. Vitamin B6

  3. Vitamin C

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

Legumes and pulses are a good source of vitamin B1, vitamin B6, vitamin C, and other vitamins.

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

Carbohydrates, proteins, and fats are macronutrients, while vitamins are micronutrients.

Multiple choice

Which of the following is a good source of vitamin D?

  1. Sunlight

  2. Fatty fish

  3. Eggs

  4. Fortified milk
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Sunlight, fatty fish, eggs, and fortified milk are all good sources of vitamin D.

Multiple choice

Which of the following is a good source of vitamin K?

  1. Leafy green vegetables

  2. Broccoli

  3. Brussels sprouts

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

Leafy green vegetables, broccoli, Brussels sprouts, and asparagus are all good sources of vitamin K.

Multiple choice

Which nutrient is particularly important for infants and young children to support their rapid growth and development?

  1. Calcium

  2. Iron

  3. Protein

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

Protein is essential for tissue growth and repair, and infants and young children have a higher requirement for protein per unit of body weight compared to adults.

Multiple choice

Which nutrient is crucial for bone health and is often lacking in the diets of adolescents?

  1. Calcium

  2. Iron

  3. Vitamin C

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

Calcium is essential for bone growth and maintenance, and adolescents have increased calcium needs due to their rapid bone growth.

Multiple choice

What is the primary energy source for the body and should be consumed in moderation?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Carbohydrates are the primary energy source for the body and should be consumed in moderation, as excessive intake can lead to weight gain and other health issues.