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 vitamin is crucial for maintaining 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 essential for maintaining healthy vision, especially night vision.

Multiple choice

Which nutrient helps the body absorb iron?

  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 enhances the absorption of iron from plant-based foods.

Multiple choice

Which nutrient is essential for blood clotting and wound healing?

  1. Vitamin K

  2. Vitamin B12

  3. Vitamin D

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

Vitamin K is crucial for blood clotting and promoting wound healing.

Multiple choice

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

  1. Iron

  2. Vitamin B12

  3. Vitamin C

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

Iron is essential for the production of red blood cells, which carry oxygen throughout the body.

Multiple choice

Which nutrient is crucial for maintaining a healthy immune system?

  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 maintaining a healthy immune system and protecting against infections.

Multiple choice

Which nutrient is necessary for the production of energy in cells?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Carbohydrates are broken down into glucose, which is used for energy production in cells.

Multiple choice

Which macronutrient is the primary source of energy during exercise?

  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 preferred source of energy during exercise, as they can be broken down and utilized quickly.

Multiple choice

Which nutrient is essential for maintaining healthy bones and reducing the risk of osteoporosis?

  1. Vitamin D

  2. Calcium

  3. Iron

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

Calcium is essential for maintaining healthy bones and reducing the risk of osteoporosis.

Multiple choice

Which of the following is NOT a macronutrient?

  1. carbohydrates

  2. proteins

  3. fats

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

Carbohydrates, proteins, and fats are macronutrients, while vitamins are micronutrients.

Multiple choice

Which vitamin is essential for bone health?

  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 bone health, as it helps the body absorb calcium.

Multiple choice

Which of the following is a good source of vitamin C for children?

  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 for children.

Multiple choice

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

  1. Sunlight

  2. Fatty fish

  3. Fortified milk

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

Sunlight, fatty fish, and fortified milk are all good sources of vitamin D for children.

Multiple choice

Which macronutrient is the primary source of energy during prolonged endurance exercise?

  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 preferred source of energy during exercise, especially during prolonged endurance activities.

Multiple choice

What are some common ingredients found in anti-aging skincare products?

  1. Retinol

  2. Vitamin C

  3. Hyaluronic acid

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

Common ingredients found in anti-aging skincare products include retinol, vitamin C, and hyaluronic acid.

Multiple choice

Which of the following is not a macronutrient for animals?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Vitamins are micronutrients, not macronutrients.