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 fruit juices is known for its high content of vitamin K?

  1. Pineapple juice

  2. Mango juice

  3. Kiwi juice

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

Kiwi juice is a good source of vitamin K, which is essential for blood clotting and bone health.

Multiple choice

What is the primary carotenoid compound found in orange juice?

  1. Beta-carotene

  2. Lycopene

  3. Lutein

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

Beta-carotene is the main carotenoid compound in oranges and orange juice, contributing to their orange color and potential health benefits.

Multiple choice

Which of the following is a common treatment for osteoporosis?

  1. Calcium and vitamin D supplements

  2. Bisphosphonates

  3. Denosumab

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

Calcium and vitamin D supplements, bisphosphonates, and denosumab are all common treatments for osteoporosis.

Multiple choice

Which nutrient is essential for the proper functioning of the immune system?

  1. Vitamin C

  2. Vitamin D

  3. Vitamin A

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

Vitamin C is a powerful antioxidant that plays a crucial role in supporting the immune system and protecting the body from infections.

Multiple choice

Which vitamin is essential for the absorption of calcium and the maintenance of strong bones?

  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 essential for the absorption of calcium and the maintenance of strong bones and teeth.

Multiple choice

Which vitamin is essential for the prevention of night blindness and the maintenance of healthy vision?

  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 crucial for maintaining healthy vision, including preventing night blindness and supporting the proper functioning of the retina.

Multiple choice

Which of the following nutrients is essential for maintaining healthy bones and teeth?

  1. Carbohydrates

  2. Proteins

  3. Calcium

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

Calcium is a mineral that plays a crucial role in maintaining strong bones and teeth.

Multiple choice

Which vitamin is responsible for preventing 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 essential for maintaining good vision, including preventing night blindness.

Multiple choice

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

  1. Vitamin C

  2. Iron

  3. Calcium

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

Iron is a mineral that is necessary for the production of hemoglobin, which carries oxygen in red blood cells.

Multiple choice

Which vitamin is crucial for blood clotting and wound healing?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin K is essential for the production of proteins involved in blood clotting and wound healing.

Multiple choice

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

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin E is an antioxidant that helps protect cells from damage and is important for maintaining healthy skin, hair, and nails.

Multiple choice

Which vitamin is essential for blood clotting and is found in breast milk?

  1. Vitamin K

  2. Vitamin C

  3. Vitamin D

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

Vitamin K is essential for blood clotting and is found in breast milk.

Multiple choice

Which vitamin is essential for bone development and is found in formula milk?

  1. Vitamin D

  2. Vitamin C

  3. Vitamin K

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

Vitamin D is essential for bone development and is found in formula milk.

Multiple choice

Which of the following is NOT a common dietary factor investigated in nutritional epidemiology?

  1. Total fat intake

  2. Saturated fat intake

  3. Carbohydrate intake

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

Vitamin C intake is not typically a primary focus of investigation in nutritional epidemiology, as it is not a major dietary risk factor for chronic diseases.

Multiple choice

Which of the following nutrients is NOT typically found in significant amounts in quinoa milk?

  1. Calcium

  2. Vitamin D

  3. Iron

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

Quinoa milk is a good source of calcium, iron, and potassium, but it is not typically fortified with vitamin D.