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 nutrient is crucial for the production of energy in cells and the metabolism of carbohydrates, fats, and proteins?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Vitamin B1 (Thiamine) is essential for energy production and the metabolism of macronutrients.

Multiple choice

Which nutrient is necessary for the synthesis of thyroid hormones, which regulate metabolism and growth?

  1. Iodine

  2. Iron

  3. Calcium

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

Iodine is essential for the production of thyroid hormones, which play a crucial role in metabolism and growth.

Multiple choice

Which of the following nutrients is NOT typically found in salads?

  1. Vitamin C

  2. Vitamin A

  3. Carbohydrates

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

Salads are primarily composed of vegetables, which are rich in vitamins and minerals, but they typically do not contain significant amounts of carbohydrates.

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

Vitamins are micronutrients, not macronutrients.

Multiple choice

Which vitamin is important 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 important for bone health.

Multiple choice

Which of the following is a macronutrient?

  1. Protein

  2. Vitamin C

  3. Calcium

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

Macronutrients are nutrients that the body needs in large amounts to provide energy and build and repair tissues. Protein is one of the three macronutrients, along with carbohydrates and fats.

Multiple choice

Which of the following is a macronutrient that provides energy and helps build and repair tissues?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Protein is a macronutrient that provides energy and helps build and repair tissues. It is found in foods such as meat, poultry, fish, eggs, dairy products, and beans.

Multiple choice

Which of the following is a micronutrient that helps the body absorb iron?

  1. Vitamin C

  2. Vitamin D

  3. Vitamin E

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

Vitamin C is a micronutrient that helps the body absorb iron. It is found in foods such as citrus fruits, strawberries, tomatoes, and bell peppers.

Multiple choice

What is the primary source of vitamin B12 in a vegan diet?

  1. Meat

  2. Dairy products

  3. Eggs

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

Vitamin B12 is primarily found in animal products. Vegans can obtain vitamin B12 from fortified foods, such as certain plant-based milks, cereals, and nutritional yeast.

Multiple choice

Which of the following nutrients is most important for lactating women?

  1. Protein

  2. Calcium

  3. Iron

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

Protein is essential for milk production and the growth and development of the baby.

Multiple choice

Which of the following vitamins 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, which is important for the development of strong bones and teeth in the baby.

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 crucial for blood clotting and wound healing processes in the body.

Multiple choice

Which dietary component is responsible for providing energy to the body?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Carbohydrates are the primary source of energy for the body, providing fuel for various bodily functions.

Multiple choice

Which vitamin is essential for preventing night blindness?

  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 good vision, including preventing night blindness and supporting overall eye health.

Multiple choice

Which dietary component is responsible for building and repairing tissues in the body?

  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, producing enzymes and hormones, and supporting various bodily functions.