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 nutrient is particularly important for seniors to consume?

  1. Calcium

  2. Vitamin D

  3. Protein

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

Calcium, vitamin D, protein, and fiber are all essential nutrients for seniors to maintain bone health, muscle strength, and overall well-being.

Multiple choice

Which citrus fruit is rich in vitamin C and is often used to prevent and treat scurvy?

  1. Lemon

  2. Grapefruit

  3. Orange

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

Oranges are an excellent source of vitamin C, which is essential for maintaining a healthy immune system. Sailors in the past often consumed oranges to prevent scurvy, a disease caused by vitamin C deficiency.

Multiple choice

What is the main carotenoid found in carrots that is converted to vitamin A in the body?

  1. Lutein

  2. Zeaxanthin

  3. Beta-carotene

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

Carrots are known for their high content of beta-carotene, a carotenoid that is converted to vitamin A in the body. Vitamin A is essential for maintaining healthy vision, especially in dim light conditions.

Multiple choice

What is the primary nutrient found in egg yolk?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Egg yolk is primarily composed of fats, including saturated and unsaturated fats.

Multiple choice

Which vitamin is most abundant in egg yolk?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Egg yolk is a rich source of vitamin D, which is important for bone health.

Multiple choice

Which vegetable is an excellent source of vitamin C?

  1. Broccoli

  2. Carrot

  3. Potato

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

Broccoli is a cruciferous vegetable that is rich in vitamin C, providing over 100% of the daily recommended value in a single serving.

Multiple choice

What is the primary carotenoid found in carrots?

  1. Lutein

  2. Zeaxanthin

  3. Beta-carotene

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

Beta-carotene is the main carotenoid in carrots, which is converted to vitamin A in the body.

Multiple choice

What is the main antioxidant compound found in spinach?

  1. Quercetin

  2. Lutein

  3. Zeaxanthin

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

Lutein is the primary antioxidant in spinach, which helps protect the eyes from damage caused by UV light.

Multiple choice

Which vegetable is rich in vitamin K?

  1. Asparagus

  2. Cabbage

  3. Cucumber

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

Asparagus is a good source of vitamin K, providing about 25% of the daily recommended value in a single serving.

Multiple choice

What is the primary antioxidant compound in carrots?

  1. Lutein

  2. Zeaxanthin

  3. Beta-carotene

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

Beta-carotene is the main antioxidant in carrots, which is converted to vitamin A in the body.

Multiple choice

What is the main antioxidant compound found in spinach?

  1. Quercetin

  2. Lutein

  3. Zeaxanthin

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

Lutein is the primary antioxidant in spinach, which helps protect the eyes from damage caused by UV light.

Multiple choice

Which vegetable is a good source of vitamin A?

  1. Bell Peppers

  2. Eggplant

  3. Mushrooms

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

Bell peppers are a good source of vitamin A, providing about 20% of the daily recommended value in a single serving.

Multiple choice

What is the primary antioxidant compound found in broccoli?

  1. Quercetin

  2. Kaempferol

  3. Myricetin

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

Kaempferol is the main flavonoid in broccoli, which has antioxidant and anti-inflammatory properties.

Multiple choice

Which vegetable is rich in vitamin C?

  1. Cabbage

  2. Celery

  3. Cucumber

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

Cabbage is a good source of vitamin C, providing about 50% of the daily recommended value in a single serving.

Multiple choice

What is the primary antioxidant compound in carrots?

  1. Lutein

  2. Zeaxanthin

  3. Beta-carotene

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

Beta-carotene is the main antioxidant in carrots, which is converted to vitamin A in the body.