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 A?

  1. Carrots

  2. Sweet potatoes

  3. Spinach

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

Carrots, sweet potatoes, and spinach are all good sources of vitamin A.

Multiple choice

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

  1. Eggs

  2. Salmon

  3. White rice

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

Salmon is a fatty fish that provides vitamin D, essential for bone health and immune function.

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 required in large amounts by the body and provide energy and building blocks for growth and repair. Protein is a macronutrient.

Multiple choice

Which macronutrient is responsible for building and repairing tissues?

  1. Carbohydrates

  2. Fats

  3. Proteins

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

Proteins are essential for building and repairing tissues, producing enzymes and hormones, and transporting nutrients and oxygen throughout the body.

Multiple choice

Which micronutrient is essential for the production of red blood cells?

  1. Vitamin A

  2. Vitamin C

  3. Iron

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

Iron is essential for the production of hemoglobin, the protein in red blood cells that carries oxygen throughout the body.

Multiple choice

Which micronutrient is necessary for the proper functioning of the thyroid gland?

  1. Vitamin D

  2. Iodine

  3. Zinc

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

Iodine is essential for the production of thyroid hormones, which regulate metabolism, growth, and development.

Multiple choice

Which micronutrient is necessary for the absorption of calcium?

  1. Vitamin A

  2. Vitamin D

  3. Vitamin K

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

Vitamin D is essential for the absorption of calcium from the intestines and the proper functioning of the immune system.

Multiple choice

Which macronutrient is the body's primary source of energy?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Carbohydrates are the body's primary source of energy, providing fuel for cells and tissues.

Multiple choice

Which micronutrient is necessary for the production of collagen?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin K

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

Vitamin C is essential for the production of collagen, a protein that provides structure and strength to bones, skin, and blood vessels.

Multiple choice

Which of the following nutrients is typically higher in organic foods?

  1. Vitamin C

  2. Vitamin A

  3. Calcium

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

Organic foods are typically higher in vitamin C than conventionally grown foods. This is because vitamin C is a water-soluble vitamin that is easily lost during processing and storage. Organic foods are less processed and stored for shorter periods of time, so they retain more of their vitamin C content.

Multiple choice

Which vitamin is necessary for the absorption of calcium?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin D is necessary for the absorption of calcium. It also helps in the regulation of calcium and phosphate levels in the blood.

Multiple choice

Which nutrient is important for the production of red blood cells?

  1. Iron

  2. Calcium

  3. Vitamin C

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

Iron is important for the production of red blood cells. It also helps in the transportation of oxygen throughout the body.

Multiple choice

Which vitamin is essential for the prevention of scurvy?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin C is essential for the prevention of scurvy. It also helps in the absorption of iron and the formation of collagen.

Multiple choice

Which nutrient is necessary for the synthesis of DNA and RNA?

  1. Iron

  2. Calcium

  3. Vitamin C

  4. Vitamin B12
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vitamin B12 is necessary for the synthesis of DNA and RNA. It also helps in the formation of red blood cells and the maintenance of the nervous system.

Multiple choice

Which nutrient is important for the growth and development of muscles?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Protein is important for the growth and development of muscles. It also helps in the repair of tissues and the production of hormones and enzymes.