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 essential 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 formation of proteins that are involved in these processes.

Multiple choice

Which nutrient is responsible for maintaining healthy bones and teeth?

  1. Calcium

  2. Phosphorus

  3. Vitamin D

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

Calcium is essential for maintaining healthy bones and teeth. It helps in the formation and mineralization of bones, and also plays a role in muscle contraction and nerve transmission.

Multiple choice

Which nutrient is essential for the absorption of calcium?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin D is essential for the absorption of calcium from the intestines. It also plays a role in regulating calcium levels in the blood and maintaining healthy bones.

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 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 energy.

Multiple choice

Which vitamin is responsible for preventing night blindness?

  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 essential for vision, particularly in dim light conditions. It helps the retina convert light into electrical signals that are sent to the brain.

Multiple choice

Which vitamin is essential for blood clotting?

  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 necessary for the production of proteins involved in blood clotting. Without sufficient vitamin K, blood may not clot properly, leading to excessive bleeding.

Multiple choice

What is the primary vitamin found in nuts and seeds?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin E

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

Nuts and seeds are rich in vitamin E, which is an antioxidant that helps protect cells from damage.

Multiple choice

What is the primary antioxidant found in nuts and seeds?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin E

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

Nuts and seeds are rich in polyphenols, which are antioxidants that help protect cells from damage.

Multiple choice

Which vitamin is commonly deficient in older adults and can lead to cognitive decline?

  1. Vitamin D

  2. Vitamin B12

  3. Vitamin C

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

Vitamin B12 deficiency is common among older adults and can result in cognitive impairment, anemia, and nerve damage.

Multiple choice

Which nutrient is essential for muscle recovery and growth?

  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 recovery and growth as it provides the building blocks for new muscle tissue.

Multiple choice

Which vitamin is important for energy production and muscle function?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin B, particularly B1 (thiamine), B2 (riboflavin), and B3 (niacin), are essential for energy production and muscle function.

Multiple choice

Which vitamin is essential 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, as it helps in the production of proteins involved in these processes.

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 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 they do not provide energy.

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 water-soluble vitamin?

  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 a water-soluble vitamin, meaning it dissolves in water and is not stored in the body.