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 macronutrient that provides energy and helps build and repair tissues?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Protein is a macronutrient that provides energy and helps build and repair tissues. It is found in foods such as meat, poultry, fish, eggs, dairy products, and beans.

Multiple choice

Which of the following is a micronutrient that helps the body absorb iron?

  1. Vitamin C

  2. Vitamin D

  3. Vitamin E

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

Vitamin C is a micronutrient that helps the body absorb iron. It is found in foods such as citrus fruits, strawberries, tomatoes, and bell peppers.

Multiple choice

What is the primary source of vitamin B12 in a vegan diet?

  1. Meat

  2. Dairy products

  3. Eggs

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

Vitamin B12 is primarily found in animal products. Vegans can obtain vitamin B12 from fortified foods, such as certain plant-based milks, cereals, and nutritional yeast.

Multiple choice

Which of the following nutrients is most important for lactating women?

  1. Protein

  2. Calcium

  3. Iron

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

Protein is essential for milk production and the growth and development of the baby.

Multiple choice

Which of the following vitamins 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, which is important for the development of strong bones and teeth in the baby.

Multiple choice

Which vitamin is essential for blood clotting and wound healing?

  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 crucial for blood clotting and wound healing processes in the body.

Multiple choice

Which dietary component is responsible for providing energy to the body?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Carbohydrates are the primary source of energy for the body, providing fuel for various bodily functions.

Multiple choice

Which vitamin is essential for preventing night blindness?

  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 crucial for maintaining good vision, including preventing night blindness and supporting overall eye health.

Multiple choice

Which dietary component is responsible for building and repairing tissues in the body?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Proteins are essential for building and repairing tissues, producing enzymes and hormones, and supporting various bodily functions.

Multiple choice

What is the primary dietary source of vitamin C?

  1. Citrus fruits

  2. Berries

  3. Leafy green vegetables

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

Citrus fruits, such as oranges, grapefruits, and lemons, are the primary dietary source of vitamin C, which is important for immune function and collagen production.

Multiple choice

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

  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 calcium absorption and bone mineralization. Older adults may need to take a vitamin D supplement to ensure they are getting enough.

Multiple choice

Which of the following is a good source of vitamin B1 (thiamine)?

  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 B1 (thiamine) because it is rich in thiamine-containing compounds, such as thiamine pyrophosphate and thiamine triphosphate. Vitamin B1 is an important vitamin that helps to convert food into energy.

Multiple choice

Which of the following is a good source of vitamin B2 (riboflavin)?

  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 B2 (riboflavin) because it is rich in riboflavin-containing compounds, such as riboflavin phosphate and riboflavin coenzymes. Vitamin B2 is an important vitamin that helps to convert food into energy and promote healthy skin and vision.

Multiple choice

Which of the following is a good source of vitamin B3 (niacin)?

  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 B3 (niacin) because it is rich in niacin-containing compounds, such as nicotinic acid and nicotinamide. Vitamin B3 is an important vitamin that helps to convert food into energy and promote healthy skin and nerves.

Multiple choice

Which of the following is a good source of vitamin B6 (pyridoxine)?

  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 B6 (pyridoxine) because it is rich in pyridoxine-containing compounds, such as pyridoxal phosphate and pyridoxamine phosphate. Vitamin B6 is an important vitamin that helps to convert food into energy and promote healthy skin, nerves, and blood.