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 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.

Multiple choice

Which vitamin is known as the "sunshine vitamin" and is produced 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 produced in the skin when exposed to sunlight. It is essential for bone health and calcium absorption.

Multiple choice

Which vitamin is necessary for the formation of collagen, a protein found in skin, bones, and connective tissues?

  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 necessary for the formation of collagen, a protein found in skin, bones, and connective tissues. It is also an antioxidant that helps protect cells from damage.

Multiple choice

Which vitamin is involved in converting food into energy and is found in whole grains, legumes, and nuts?

  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, also known as thiamine, is involved in converting food into energy and is found in whole grains, legumes, and nuts. It is essential for maintaining a healthy nervous system.

Multiple choice

Which vitamin is necessary for the absorption of calcium and is found in oily fish, eggs, and fortified foods?

  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 necessary for the absorption of calcium and is found in oily fish, eggs, and fortified foods. It is also produced in the skin upon exposure to sunlight.

Multiple choice

Which vitamin is necessary for the formation of red blood cells 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 necessary for the formation of red blood cells and is found in citrus fruits, strawberries, and bell peppers. It is also an antioxidant that helps protect cells from damage.