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 is NOT a macronutrient essential for bodybuilding?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Carbohydrates, proteins, and fats are the three macronutrients that provide the body with energy and building blocks for muscle growth. Vitamins are essential micronutrients, but they are not macronutrients.

Multiple choice

Which of the following is a macronutrient?

  1. Vitamin C

  2. Protein

  3. Fiber

  4. Calcium
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 one of the three macronutrients, along with carbohydrates and fats.

Multiple choice

What are some common nutritional supplements used by athletes?

  1. Creatine

  2. Protein powder

  3. BCAAs

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

Creatine, protein powder, and BCAAs are all common nutritional supplements used by athletes.

Multiple choice

Legumes and pulses are a good source of which vitamin?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin B6

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

Legumes and pulses are a good source of vitamin B6.

Multiple choice

Which vitamin is essential for the production of rhodopsin, a pigment necessary for night vision?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin A is essential for the production of rhodopsin, a pigment found in the retina that is responsible for night vision.

Multiple choice

Which nutrient is important for maintaining the health of the cornea, the clear outer layer of the eye?

  1. Vitamin C

  2. Omega-3 fatty acids

  3. Zinc

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

Vitamin C is important for maintaining the health of the cornea, as it is involved in the production of collagen, a protein that gives the cornea its strength and clarity.

Multiple choice

Which vitamin is predominantly found in the yolk of an egg?

  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 yolks are a rich source of Vitamin D, which is essential for bone health and immune function.

Multiple choice

What is the role of vitamins in cellular metabolism?

  1. Energy storage

  2. Genetic material

  3. Cofactors for enzymes

  4. Structural components of cells
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vitamins are organic compounds that are required in small amounts for various metabolic processes. They often act as cofactors for enzymes, helping them to catalyze specific chemical reactions.

Multiple choice

Which of the following nutrients is particularly important for muscle recovery?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Protein is particularly important for muscle recovery as it is essential for the repair and rebuilding of muscle tissue.

Multiple choice

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

  1. Orange Juice

  2. Apple Juice

  3. Grapefruit Juice

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

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

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

Carbohydrates, proteins, and fats are macronutrients, while vitamins are micronutrients.

Multiple choice

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

  1. Fatty fish

  2. Eggs

  3. Mushrooms

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

Fatty fish, eggs, and mushrooms are all good sources of vitamin D.

Multiple choice

Which superfood is a good source of vitamin K?

  1. Kale

  2. Spinach

  3. Broccoli

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

Kale, spinach, and broccoli are all good sources of vitamin K, which is essential for blood clotting and bone health.

Multiple choice

Which vegetable is a rich source of vitamin C?

  1. Tomato

  2. Onion

  3. Cucumber

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

Spinach is an excellent source of vitamin C, which is essential for immune system health and collagen production.

Multiple choice

Which of the following fruits is known for its high levels of vitamin C?

  1. Oranges

  2. Grapefruits

  3. Lemons

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

Oranges, grapefruits, and lemons are all known for their high levels of vitamin C. Vitamin C is an essential nutrient that helps to boost the immune system, protect against infections, and promote healthy skin and bones.