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 supplements is commonly used to improve endurance performance?

  1. Caffeine

  2. Beta-Alanine

  3. Citrulline Malate

  4. L-Carnitine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Caffeine is a well-known stimulant that has been shown to enhance endurance performance by reducing fatigue and improving alertness.

Multiple choice

Which of the following supplements is commonly used to support immune function in athletes?

  1. Vitamin C

  2. Vitamin D

  3. Zinc

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

Vitamin C is an important nutrient that supports immune function and may help reduce the risk of infections in athletes.

Multiple choice

Which candy is a good source of vitamin C?

  1. Orange Hard Candies

  2. Caramels

  3. Jelly Beans

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

Orange hard candies contain vitamin C, which is an important antioxidant that helps support the immune system.

Multiple choice

Which vitamin is necessary 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 necessary for the absorption of calcium. It also plays a role in bone mineralization and immune function.

Multiple choice

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

  1. Iron

  2. Vitamin B12

  3. Vitamin C

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

Iron is essential for the production of red blood cells. It also plays a role in oxygen transport and energy production.

Multiple choice

Which vitamin is necessary for the prevention of scurvy?

  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 prevention of scurvy. It also plays a role in immune function and wound healing.

Multiple choice

Which nutrient is necessary for the prevention of rickets?

  1. Vitamin A

  2. Vitamin D

  3. Vitamin C

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

Vitamin D is necessary for the prevention of rickets. It also plays a role in bone mineralization and immune function.

Multiple choice

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

  1. Iron

  2. Vitamin B12

  3. Vitamin C

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

Iron is essential for the production of red blood cells. It also plays a role in oxygen transport and energy production.

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

Vitamins are micronutrients, not macronutrients.

Multiple choice

Which macronutrient is responsible for building and repairing tissues?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Proteins are the building blocks of the body's tissues.

Multiple choice

Which macronutrient is responsible for storing energy and insulating the body?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Fats are stored in the body's adipose tissue and provide insulation.

Multiple choice

Which vitamin is 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

Vitamin D is essential for the absorption of calcium, which is necessary for bone health.

Multiple choice

Which vitamin is essential for immune function?

  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 production of white blood cells, which fight infection.

Multiple choice

Which vitamin is essential for 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 the production of rhodopsin, a pigment necessary for vision in dim light.

Multiple choice

Which of the following nutrients can interfere with the metabolism of warfarin?

  1. Vitamin K

  2. Vitamin C

  3. Iron

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

Vitamin K is a cofactor for the enzyme that converts warfarin to its inactive form. Therefore, high intake of vitamin K can decrease the effectiveness of warfarin.