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 of the following natural products is used as an antioxidant?

  1. Vitamin C

  2. Vitamin E

  3. Beta-carotene

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

Vitamin C, vitamin E, and beta-carotene are all natural products that have been shown to have antioxidant effects.

Multiple choice

Which of the following nutrients is important for bone health in women?

  1. Calcium

  2. Vitamin D

  3. Magnesium

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

Calcium is an essential nutrient for bone health and is especially important for women as they age.

Multiple choice

Which vitamin is essential for blood clotting and wound healing?

  1. Vitamin K

  2. Vitamin D

  3. Vitamin C

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

Vitamin K is crucial for the synthesis of clotting factors, which play a vital role in blood clotting and wound healing.

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.