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 of the following is NOT a type of nutrient?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Vitamins are not a type of nutrient, but rather essential organic compounds that are required in small amounts for various bodily functions.

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, which is important for immune function and skin health.

Multiple choice

Which of the following is a good source of vitamin D?

  1. Sunlight

  2. Fatty fish

  3. Eggs

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sunlight, fatty fish, and eggs are all good sources of vitamin D, which is important for bone health and immune function.

Multiple choice

Which fruit juice is known for its high content of vitamin C?

  1. Orange

  2. Apple

  3. Pineapple

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

Orange juice is a rich source of vitamin C, an essential nutrient that supports immune function and skin health.

Multiple choice

What is the primary antioxidant found in cranberry juice?

  1. Anthocyanins

  2. Carotenoids

  3. Flavonoids

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

Cranberry juice is known for its high concentration of anthocyanins, powerful antioxidants that have been linked to various health benefits, including improved heart health and reduced inflammation.

Multiple choice

What is the main carotenoid found in carrot juice?

  1. Beta-carotene

  2. Lutein

  3. Zeaxanthin

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

Carrot juice is an excellent source of beta-carotene, a carotenoid that is converted into vitamin A in the body, supporting vision and immune function.

Multiple choice

Which fruit juice is a good source of vitamin K?

  1. Kiwi

  2. Pineapple

  3. Peach

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

Kiwi juice is a rich source of vitamin K, a nutrient essential for blood clotting and bone health.

Multiple choice

What is the main antioxidant found in blueberry juice?

  1. Anthocyanins

  2. Resveratrol

  3. Quercetin

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

Blueberry juice is known for its high concentration of anthocyanins, powerful antioxidants that have been linked to improved brain function and reduced risk of chronic diseases.

Multiple choice

What is the primary carotenoid found in mango juice?

  1. Beta-carotene

  2. Lutein

  3. Zeaxanthin

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

Mango juice contains a significant amount of beta-carotene, a carotenoid that is converted into vitamin A in the body, supporting vision and immune function.

Multiple choice

Which fruit juice is a good source of vitamin E?

  1. Avocado

  2. Kiwi

  3. Mango

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

Avocado juice is a rich source of vitamin E, an antioxidant that protects cells from damage and supports skin health.

Multiple choice

What is the main polyphenol found in grape juice?

  1. Resveratrol

  2. Anthocyanins

  3. Quercetin

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

Grape juice contains a significant amount of resveratrol, a polyphenol with antioxidant and anti-inflammatory properties that have been linked to various health benefits, including reduced risk of heart disease and cancer.

Multiple choice

What is the primary carotenoid found in watermelon juice?

  1. Beta-carotene

  2. Lutein

  3. Zeaxanthin

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

Watermelon juice contains a significant amount of lycopene, a carotenoid with antioxidant properties that have been linked to reduced risk of certain types of cancer, particularly prostate cancer.

Multiple choice

Which of the following foods is a good source of vitamin D?

  1. Eggs

  2. Mushrooms

  3. Fortified milk

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

Fortified milk is a good source of vitamin D, providing approximately 100 IU of vitamin D per 8-ounce serving.

Multiple choice

Which of the following is a treatment option for osteoporosis?

  1. Bisphosphonates

  2. Calcium supplements

  3. Vitamin D supplements

  4. Weight-bearing exercise
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Bisphosphonates are a common treatment option for osteoporosis, acting to inhibit bone resorption and reduce the risk of fractures.

Multiple choice

Which of the following is not a type of sports nutrition supplement?

  1. Protein powder

  2. Creatine

  3. BCAAs

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

A multivitamin is a type of general health supplement, not a sports nutrition supplement.