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 responsible for building and repairing tissues?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Protein is responsible for building and repairing tissues.

Multiple choice

Which nutrient is responsible for providing energy to the body?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Carbohydrates are responsible for providing energy to the body.

Multiple choice

Which of these fruits is a good source of vitamin C?

  1. Apple

  2. Orange

  3. Banana

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

Oranges are an excellent source of vitamin C, which is important for immune system health and collagen production.

Multiple choice

Which vitamin is essential for the absorption of calcium?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin D is essential for the absorption of calcium from the small intestine. It helps to maintain normal blood calcium levels and promotes bone health.

Multiple choice

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

  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 production of red blood cells and the synthesis of DNA.

Multiple choice

Which vitamin is essential for the absorption of iron?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin C is essential for the absorption of iron from the small intestine.

Multiple choice

Which of the following is the most important ingredient to look for in a moisturizer for aging skin?

  1. Hyaluronic acid

  2. Retinol

  3. Vitamin C

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

Hyaluronic acid is a humectant, which means that it helps to draw moisture into the skin. It is also a natural component of the skin, so it is well-tolerated and unlikely to cause irritation.

Multiple choice

Which egg component is responsible for the characteristic yellow color of egg yolks?

  1. Carotenoids

  2. Riboflavin

  3. Thiamin

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

Carotenoids, particularly lutein and zeaxanthin, are responsible for the characteristic yellow color of egg yolks.

Multiple choice

Which macronutrient is primarily responsible for providing energy during high-intensity exercise?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Carbohydrates are the body's primary source of energy during high-intensity exercise. They are broken down into glucose, which is then used by muscles for fuel.

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.