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 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 macronutrients, while vitamins are micronutrients.

Multiple choice

Which of the following is NOT a type of vitamin?

  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 a hormone rather than a vitamin.

Multiple choice

Which of the following is NOT a type of antioxidant?

  1. Vitamin C

  2. Vitamin E

  3. Beta-carotene

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

Sodium is not an antioxidant.

Multiple choice

What are the three macronutrients?

  1. Carbohydrates, proteins, and fats

  2. Vitamins, minerals, and water

  3. Fiber, sugar, and salt

  4. Calories, nutrients, and energy
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The three macronutrients are carbohydrates, proteins, and fats.

Multiple choice

What is the primary vitamin in legumes?

  1. Vitamin C

  2. Vitamin B6

  3. Folate

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

Folate is the primary vitamin in legumes.

Multiple choice

Which of the following is NOT a common food additive?

  1. Salt

  2. Sugar

  3. Preservatives

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

Vitamins are not typically added to food as additives, but are naturally present in many foods.

Multiple choice

Which vitamin is crucial for energy metabolism and red blood cell production in athletes?

  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 synthesis of red blood cells and the production of energy through the metabolism of carbohydrates, fats, and proteins.

Multiple choice

Which vitamin is involved in the absorption of calcium and bone mineralization, important for athletes' skeletal health?

  1. Vitamin A

  2. Vitamin D

  3. Vitamin E

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

Vitamin D promotes the absorption of calcium from the intestines and facilitates its incorporation into bone tissue, ensuring strong and healthy bones.

Multiple choice

Which vitamin acts as an antioxidant, protecting cells from damage caused by free radicals, especially during intense exercise?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin E

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

Vitamin E is a powerful antioxidant that neutralizes free radicals, preventing cellular damage and supporting muscle recovery after strenuous exercise.

Multiple choice

Which vitamin is essential for the synthesis of collagen, a protein that provides structural support to connective tissues, including muscles, tendons, and ligaments?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin C is necessary for the production of collagen, a crucial component of connective tissues, which helps maintain tissue integrity and supports joint and muscle health.

Multiple choice

Which vitamin is involved in the metabolism of carbohydrates, proteins, and fats, and plays a role in energy production during exercise?

  1. Vitamin A

  2. Vitamin B1

  3. Vitamin B2

  4. Vitamin B3
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vitamin B1, also known as thiamine, is essential for energy metabolism, converting carbohydrates into glucose, which is the primary fuel source for muscles during exercise.

Multiple choice

Which vitamin is crucial for the formation of red blood cells, which carry oxygen to muscles and tissues during exercise?

  1. Vitamin B6

  2. Vitamin B9

  3. Vitamin B12

  4. Vitamin B15
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vitamin B9, also known as folate, is essential for the synthesis of red blood cells, ensuring adequate oxygen delivery to muscles and tissues during physical activity.

Multiple choice

Which vitamin is involved in the regulation of calcium and phosphorus metabolism, supporting bone health and muscle function in athletes?

  1. Vitamin D

  2. Vitamin K

  3. Vitamin A

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

Vitamin D plays a crucial role in calcium and phosphorus metabolism, promoting bone mineralization and supporting muscle function by regulating calcium levels in the body.

Multiple choice

Which vitamin is essential for the synthesis of neurotransmitters, which are involved in nerve impulse transmission and muscle contraction?

  1. Vitamin B1

  2. Vitamin B3

  3. Vitamin B6

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

Vitamin B6 is crucial for the synthesis of neurotransmitters, which are chemical messengers that facilitate communication between nerve cells and muscles, ensuring proper nerve impulse transmission and muscle contraction.

Multiple choice

Which vitamin is involved in the production of energy from carbohydrates, fats, and proteins, supporting endurance performance in athletes?

  1. Vitamin B1

  2. Vitamin B2

  3. Vitamin B3

  4. Vitamin B5
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vitamin B3, also known as niacin, plays a vital role in energy metabolism, converting macronutrients into energy, which is essential for sustained physical performance.