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 a good source of vitamin C?

  1. Oranges

  2. Grapefruit

  3. Strawberries

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

Oranges, grapefruit, and strawberries are all good sources of vitamin C.

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 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 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 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 vitamin is necessary for the prevention of night blindness?

  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 necessary for the prevention of night blindness. It also helps in the maintenance of healthy skin and vision.

Multiple choice

Which vitamin is particularly abundant in sunflower seed milk?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Sunflower seed milk is a good source of vitamin E, an antioxidant that helps protect cells from damage.

Multiple choice

Which vitamin is naturally present in milk and yogurt?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Milk and yogurt naturally contain vitamin D, which is important for bone health and immune function.

Multiple choice

Which of the following nutrients is essential for the development of the baby's brain and nervous system?

  1. Calcium

  2. Iron

  3. Folic acid

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

Folic acid is a B vitamin that is essential for the development of the baby's brain and nervous system. It is also important for the prevention of neural tube defects, such as spina bifida.

Multiple choice

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

  1. Salmon

  2. Tuna

  3. Eggs

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

Salmon, tuna, and eggs are all good sources of vitamin D. Vitamin D is essential for the absorption of calcium.

Multiple choice

Which nutrient is essential for strong bones and teeth?

  1. Vitamin C

  2. Vitamin D

  3. Calcium

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

Calcium is a mineral that is crucial for maintaining strong bones and teeth. It also plays a role in muscle function, nerve transmission, and blood clotting.