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

What is the primary nutrient found in orange juice?

  1. Vitamin C

  2. Vitamin A

  3. Potassium

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

Orange juice is an excellent source of vitamin C, which is essential for immune function and skin health.

Multiple choice

What is the main antioxidant found in cranberry juice?

  1. Vitamin C

  2. Vitamin A

  3. Quercetin

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

Cranberry juice contains high levels of anthocyanins, which are powerful antioxidants that have been linked to various health benefits.

Multiple choice

What is the main nutrient found in prune juice?

  1. Vitamin C

  2. Vitamin A

  3. Potassium

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

Prune juice is a good source of dietary fiber, which is important for digestive health and regularity.

Multiple choice

Which breakfast juice is a good source of vitamin K?

  1. Orange juice

  2. Apple juice

  3. Grapefruit juice

  4. Green leafy vegetable juice
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Green leafy vegetable juices, such as kale or spinach juice, are rich in vitamin K, which is essential for blood clotting and bone health.

Multiple choice

What is the primary nutrient found in watermelon juice?

  1. Vitamin C

  2. Vitamin A

  3. Potassium

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

Watermelon juice is a good source of lycopene, a powerful antioxidant that has been studied for its potential health benefits, including reducing the risk of certain chronic diseases.

Multiple choice

What other nutrient is commonly found in pumpkin seed milk, contributing to its nutritional value?

  1. Fiber

  2. Vitamin D

  3. Magnesium

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

Pumpkin seed milk is also a good source of magnesium, a mineral involved in various bodily functions, including muscle contraction, nerve transmission, and energy production.

Multiple choice

Which of the following is not a macronutrient?

  1. Carbohydrates

  2. Proteins

  3. Vitamins

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

Carbohydrates, proteins, and fats are the three macronutrients that provide the body with energy and building blocks for growth and repair. Vitamins are micronutrients that are needed in smaller amounts for various bodily functions.

Multiple choice

Which vitamin is essential for blood clotting?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin K

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

Vitamin K is essential for the production of prothrombin, a protein that is necessary for blood clotting. Without adequate vitamin K, the blood cannot clot properly, which can lead to excessive bleeding.

Multiple choice

What is the primary source of vitamin C in the human diet?

  1. Citrus fruits

  2. Leafy green vegetables

  3. Meat

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

Citrus fruits, such as oranges, grapefruits, and lemons, are the primary source of vitamin C in the human diet. Vitamin C is an important antioxidant that helps protect cells from damage.

Multiple choice

Which of the following is a macronutrient?

  1. Vitamin C

  2. Protein

  3. Calcium

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

Macronutrients are nutrients that the body needs in large amounts to provide energy and build and repair tissues. Protein is a macronutrient that is essential for building and repairing tissues.

Multiple choice

Which of the following is a fat-soluble vitamin?

  1. Vitamin C

  2. Vitamin A

  3. Vitamin B12

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

Fat-soluble vitamins are vitamins that are absorbed along with fats in the diet. Vitamin D is a fat-soluble vitamin that is essential for bone health.

Multiple choice

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

  1. Oranges

  2. Apples

  3. Grapes

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

Oranges are a good source of vitamin C, which is an essential vitamin that is involved in a variety of bodily functions, including immune function and wound healing.

Multiple choice

Which vitamin is essential for bone health and can help prevent osteoporosis in men?

  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 crucial for calcium absorption and bone health. Adequate intake of vitamin D can help prevent osteoporosis, a condition characterized by weak and brittle bones, in men.

Multiple choice

Which of the following is a macronutrient?

  1. Vitamins

  2. Minerals

  3. Carbohydrates

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

Macronutrients are nutrients that the body needs in large amounts. Proteins are one of the three macronutrients, along with carbohydrates and fats.

Multiple choice

What is the main active compound in garlic that is responsible for its health benefits?

  1. Allicin

  2. Quercetin

  3. Kaempferol

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

Allicin is the main active compound in garlic that is responsible for its health benefits.