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 the maintenance of 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 the maintenance of bone health. It also plays a role in muscle function and immune system regulation.

Multiple choice

Which vitamin is essential for the production of red blood cells and the transport of oxygen throughout the body?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin B12

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

Vitamin B12 is essential for the production of red blood cells and the transport of oxygen throughout the body. It also plays a role in nerve function and DNA synthesis.

Multiple choice

What is the term used to describe the practice of adding vitamins, minerals, or other nutrients to beverages to enhance their nutritional value?

  1. Carbonation

  2. Flavoring

  3. Fortification

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

Fortification is the practice of adding vitamins, minerals, or other nutrients to beverages to enhance their nutritional value.

Multiple choice

Which of the following is an example of a beverage that has been fortified with vitamin C?

  1. Orange juice

  2. Milk

  3. Soda

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

Orange juice is an example of a beverage that has been fortified with vitamin C.

Multiple choice

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

  1. Oranges

  2. Grapefruit

  3. Strawberries

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

Oranges, grapefruit, and strawberries are all good sources of vitamin C.

Multiple choice

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

  1. Sunlight

  2. Fatty fish

  3. Fortified milk

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

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

Multiple choice

Which nutrient is essential for the production of testosterone, a hormone that plays a crucial role in men's sexual health and muscle development?

  1. Vitamin C

  2. Vitamin D

  3. Zinc

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

Zinc is an essential nutrient for men's health, as it plays a role in the production of testosterone, a hormone that is responsible for sexual function, muscle development, and overall well-being.

Multiple choice

Which vitamin is essential for the absorption of calcium, a mineral that is important 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

Vitamin D is essential for the absorption of calcium, which is a crucial mineral for maintaining strong and healthy bones.

Multiple choice

Which nutrient is essential for the synthesis of collagen, a protein that provides structure and support to various tissues in the body?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin E

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

Vitamin C is crucial for the synthesis of collagen, a protein that plays a vital role in the structure and support of various tissues in the body.

Multiple choice

Which nutrient is crucial for the proper functioning of the immune system?

  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 is essential for the proper functioning of the immune system, as it helps protect the body against infections and diseases.

Multiple choice

Which nutrient is crucial for the proper functioning of the nervous system?

  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 proper functioning of the nervous system, as it helps maintain the health of nerve cells and supports cognitive function.

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 necessary 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 blood clotting and the synthesis of certain proteins.

Multiple choice

Which vitamin is necessary for the absorption of calcium?

  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 necessary for the absorption of calcium and the maintenance of bone health.

Multiple choice

Which vitamin is essential for calcium absorption and 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 calcium absorption and bone health.