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 nutrient is essential for the absorption of calcium and the maintenance of healthy bones?

  1. Vitamin D

  2. Vitamin C

  3. Vitamin A

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

Vitamin D is crucial for the absorption of calcium from the intestines and the maintenance of healthy bones.

Multiple choice

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

  1. Iron

  2. Vitamin B12

  3. Vitamin C

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

Iron is a vital nutrient for the production of red blood cells, which carry oxygen throughout the body.

Multiple choice

Which nutrient is essential for the synthesis of collagen, a protein found in connective tissues?

  1. Vitamin C

  2. Vitamin D

  3. Vitamin E

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

Vitamin C is crucial for the synthesis of collagen, a protein that provides structure and support to connective tissues.

Multiple choice

Which nutrient is essential for the synthesis of DNA and RNA?

  1. Vitamin B12

  2. Vitamin C

  3. Vitamin A

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

Vitamin B12 is crucial for the synthesis of DNA and RNA, the genetic material of cells.

Multiple choice

Which nutrient is essential for the synthesis of hemoglobin, the oxygen-carrying protein in red blood cells?

  1. Iron

  2. Vitamin B12

  3. Vitamin C

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

Iron is a vital nutrient for the synthesis of hemoglobin, which carries oxygen throughout the body.

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

Milk naturally contains Vitamin D, which is essential for the absorption of calcium 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 macronutrients, while vitamins are micronutrients.

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 essential for the production of proteins involved in blood clotting.

Multiple choice

What is the primary active compound in garlic that is responsible for its health benefits?

  1. Allicin

  2. Quercetin

  3. Resveratrol

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

Allicin is the primary active compound in garlic that is responsible for its various health benefits, including its antimicrobial and antioxidant properties.

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

Vitamin C, vitamin E, and beta-carotene are all antioxidants, while sodium is a mineral.

Multiple choice

Which vitamin is essential for sperm production?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin E is an antioxidant that helps protect sperm from damage.

Multiple choice

Which vitamin is essential for bone health in men?

  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 bone health in men.

Multiple choice

What is the primary nutrient found in orange juice?

  1. Vitamin C

  2. Vitamin A

  3. Potassium

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

Orange juice is an excellent source of vitamin C, which is essential for immune function and skin health.

Multiple choice

What is the main antioxidant found in cranberry juice?

  1. Vitamin C

  2. Vitamin A

  3. Quercetin

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

Cranberry juice contains high levels of anthocyanins, which are powerful antioxidants that have been linked to various health benefits.

Multiple choice

What is the main nutrient found in prune juice?

  1. Vitamin C

  2. Vitamin A

  3. Potassium

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

Prune juice is a good source of dietary fiber, which is important for digestive health and regularity.