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 a good source of vitamin B9 (folate)?

  1. White bread

  2. Oatmeal

  3. Corn flakes

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

Wheat germ is a good source of vitamin B9 (folate) because it is rich in folate-containing compounds, such as folic acid and folinic acid. Vitamin B9 is an important vitamin that helps to produce red blood cells and DNA.

Multiple choice

Which of the following is a good source of vitamin B12 (cobalamin)?

  1. White bread

  2. Oatmeal

  3. Corn flakes

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

Grains and cereals are not good sources of vitamin B12. Vitamin B12 is found in animal products, such as meat, fish, poultry, and eggs.

Multiple choice

Which of the following is a good source of vitamin C (ascorbic acid)?

  1. White bread

  2. Oatmeal

  3. Corn flakes

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

Grains and cereals are not good sources of vitamin C. Vitamin C is found in fruits and vegetables, such as oranges, strawberries, broccoli, and kale.

Multiple choice

Which vitamin is often deficient in vegan and vegetarian diets?

  1. Vitamin B12

  2. Vitamin D

  3. Vitamin C

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

Vitamin B12 is primarily found in animal products, so vegans and vegetarians need to consume fortified foods or supplements to ensure adequate intake.

Multiple choice

What is the most important nutrient for endurance athletes?

  1. Carbohydrates

  2. Protein

  3. Fat

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

Carbohydrates are the most important nutrient for endurance athletes because they provide the body with energy. Protein is also important for building and repairing muscle tissue, but it is not as important as carbohydrates for endurance performance.

Multiple choice

What is the primary antioxidant found in blueberries?

  1. Anthocyanins

  2. Carotenoids

  3. Flavonoids

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

Anthocyanins are responsible for the blue color of blueberries and have potent antioxidant properties.

Multiple choice

Legumes are a rich source of which essential nutrient?

  1. Protein

  2. Carbohydrates

  3. Vitamin C

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

Legumes are known for their high protein content, making them a valuable plant-based source of this essential nutrient.

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 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 blood clotting.

Multiple choice

Which nutrient is essential for healthy skin, hair, and nails?

  1. Protein

  2. Vitamin A

  3. Vitamin C

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

Protein is essential for healthy skin, hair, and nails.

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 vision.

Multiple choice

Which vitamin is essential for the absorption of calcium?

  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.

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, which means that the body needs them in large amounts to function properly. Vitamins are micronutrients, which means that the body needs them in smaller amounts.

Multiple choice

What are the three main macronutrients that provide energy to the body?

  1. Carbohydrates, Proteins, and Fats

  2. Vitamins, Minerals, and Water

  3. Fiber, Sugar, and Starch

  4. Calories, Nutrients, and Energy
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbohydrates, proteins, and fats are the three macronutrients that provide energy to the body. Carbohydrates are broken down into glucose, which is used for immediate energy. Proteins are used for building and repairing tissues. Fats are used for long-term energy storage and hormone production.

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 responsible for building and repairing tissues. They are made up of amino acids, which are essential for many bodily functions.