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 maintaining healthy vision?

  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 maintaining healthy vision, particularly night vision and the ability to see in dim light.

Multiple choice

Which nutrient is essential for the development of the brain and nervous system in children?

  1. Calcium

  2. Iron

  3. Omega-3 fatty acids

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

Omega-3 fatty acids, particularly DHA, are crucial for the development of the brain and nervous system in children.

Multiple choice

Which vitamin is necessary for the absorption of calcium and the prevention of rickets?

  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 and the prevention of rickets, a condition that affects bone development.

Multiple choice

Which nutrient is important for the development of the immune system and the prevention of infections?

  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 development of the immune system and the prevention of infections, supporting the body's ability to fight off illness.

Multiple choice

Which nutrient is important for the development of healthy skin, hair, and nails?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin A is essential for the development of healthy skin, hair, and nails, supporting their growth and maintenance.

Multiple choice

Which vitamin is known as the 'sunshine vitamin' and is primarily synthesized in the skin upon exposure to sunlight?

  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 known as the 'sunshine vitamin' because it is primarily synthesized in the skin upon exposure to sunlight. It plays a crucial role in calcium absorption and bone health.

Multiple choice

Which vitamin is crucial for maintaining healthy vision, especially night vision, and is found in foods like carrots, spinach, and sweet potatoes?

  1. Vitamin A

  2. Vitamin B6

  3. Vitamin C

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

Vitamin A is crucial for maintaining healthy vision, especially night vision. It is found in foods like carrots, spinach, and sweet potatoes.

Multiple choice

Which vitamin is known as the 'anti-scurvy vitamin' and is found in citrus fruits, strawberries, and bell peppers?

  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 known as the 'anti-scurvy vitamin' because it prevents scurvy, a disease caused by vitamin C deficiency. It is found in citrus fruits, strawberries, and bell peppers.

Multiple choice

Which vitamin is known as the 'cobalamin' and is essential for the production of red blood cells and DNA synthesis?

  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 known as the 'cobalamin' and is essential for the production of red blood cells and DNA synthesis.

Multiple choice

Which vitamin is known as the 'antioxidant vitamin' and is found in foods like almonds, sunflower seeds, and vegetable oils?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin E is known as the 'antioxidant vitamin' because it helps protect cells from damage caused by free radicals.

Multiple choice

Which vitamin is known as the 'thiamine' and is essential for energy metabolism and the functioning of the nervous system?

  1. Vitamin A

  2. Vitamin B1

  3. Vitamin C

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

Vitamin B1 is known as the 'thiamine' and is essential for energy metabolism and the functioning of the nervous system.

Multiple choice

Which vitamin is known as the 'riboflavin' and is essential for energy metabolism, vision, and skin health?

  1. Vitamin A

  2. Vitamin B2

  3. Vitamin C

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

Vitamin B2 is known as the 'riboflavin' and is essential for energy metabolism, vision, and skin health.

Multiple choice

What is the primary role of ascorbic acid (vitamin C) in fruit juice processing?

  1. To prevent enzymatic browning

  2. To improve the flavor of the juice

  3. To increase the nutritional value of the juice

  4. To extend the shelf life of the juice
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ascorbic acid (vitamin C) is commonly added to fruit juices to prevent enzymatic browning, a reaction that can cause the juice to turn brown and lose its flavor.

Multiple choice

Which vitamin is essential for maintaining healthy vision?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin A is essential for maintaining healthy vision, particularly night vision.

Multiple choice

Which of the following is a type of vitamin?

  1. Vitamin C

  2. Vitamin D

  3. Vitamin K

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

Vitamin C is a type of vitamin that helps the body absorb iron.