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 natural antioxidant?

  1. Vitamin C

  2. Vitamin E

  3. Beta-carotene

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

Vitamin C, vitamin E, and beta-carotene are all natural antioxidants.

Multiple choice

Which vitamin is crucial for calcium absorption and bone health in women?

  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, and its deficiency can contribute to osteoporosis.

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 from the digestive tract, which is crucial for maintaining strong bones and teeth.

Multiple choice

Which vitamin is essential for the prevention of scurvy?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin C is essential for the prevention of scurvy, a disease caused by a deficiency of vitamin C, which leads to impaired wound healing and weakened immune function.

Multiple choice

Which vitamin is commonly deficient in a plant-based diet and needs to be supplemented?

  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 it is important for vegans to supplement with vitamin B12 to ensure adequate intake.

Multiple choice

Which of the following is a good source of vitamin D for older adults?

  1. Fatty fish

  2. Eggs

  3. Fortified milk

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

Fatty fish, eggs, and fortified milk are all good sources of vitamin D for older adults. Vitamin D is essential for absorbing calcium and maintaining strong bones.

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 necessary for the production of proteins involved in blood clotting and wound healing.

Multiple choice

Which vitamin is necessary 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 from the intestines.

Multiple choice

Which nutrient is primarily 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 essential for building and repairing tissues, as well as producing enzymes and hormones.

Multiple choice

Which vitamin is essential for healthy 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 crucial for maintaining healthy vision, especially in dim light conditions.

Multiple choice

Which vitamin is commonly added to white bread to enrich it?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

  4. Vitamin B1 (Thiamin)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vitamin B1 (Thiamin) is often added to white bread to enrich it. This vitamin is essential for the body's metabolism of carbohydrates, proteins, and fats.

Multiple choice

What is the primary source of energy for young athletes during exercise?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Carbohydrates are the body's preferred source of energy during exercise, as they are easily broken down and converted into glucose, which is then used for fuel.

Multiple choice

What is the role of vitamins and minerals in youth sports nutrition?

  1. To support energy production

  2. To aid muscle function

  3. To boost immunity

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

Vitamins and minerals play a vital role in youth sports nutrition, as they support energy production, aid muscle function, boost immunity, and contribute to overall health and well-being.

Multiple choice

Which nutrient is particularly important for bone health 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, playing a crucial role in maintaining bone health and preventing osteoporosis in older adults.

Multiple choice

Which nutrient is essential for maintaining healthy vision in older adults?

  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, particularly in the form of beta-carotene, is crucial for maintaining healthy vision and preventing age-related macular degeneration, a leading cause of vision loss in older adults.