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 nutrient is commonly added to sugar to improve iodine intake?

  1. Vitamin A

  2. Vitamin C

  3. Iron

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

Iodine is commonly added to sugar to improve iodine intake. Iodine is essential for the production of thyroid hormones, which are important for growth and development.

Multiple choice

What is the primary nutrient added to bread to improve folic acid intake?

  1. Vitamin A

  2. Vitamin C

  3. Folic acid

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

Folic acid is the primary nutrient added to bread to improve folic acid intake. Folic acid is essential for the production of red blood cells and the prevention of neural tube defects in infants.

Multiple choice

Which nutrient is commonly added to rice to improve iron intake?

  1. Vitamin A

  2. Vitamin C

  3. Iron

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

Iron is commonly added to rice to improve iron intake. Iron is essential for the production of red blood cells, which carry oxygen throughout the body.

Multiple choice

What is the primary nutrient added to milk to improve vitamin D intake?

  1. Vitamin A

  2. Vitamin D

  3. Iron

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

Vitamin D is the primary nutrient added to milk to improve vitamin D intake. Vitamin D is essential for the absorption of calcium and the maintenance of strong bones and teeth.

Multiple choice

Which nutrient is commonly added to margarine to improve vitamin A intake?

  1. Vitamin A

  2. Vitamin C

  3. Iron

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

Vitamin A is commonly added to margarine to improve vitamin A intake. Vitamin A is essential for vision, immune function, and cell growth.

Multiple choice

What is the primary nutrient added to iodized salt to prevent goiter?

  1. Vitamin A

  2. Iodine

  3. Iron

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

Iodine is the primary nutrient added to iodized salt to prevent goiter. Iodine is essential for the production of thyroid hormones, which are important for growth and development.

Multiple choice

Which nutrient is commonly added to wheat flour to improve niacin intake?

  1. Vitamin A

  2. Vitamin C

  3. Niacin

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

Niacin is commonly added to wheat flour to improve niacin intake. Niacin is essential for the metabolism of carbohydrates, proteins, and fats.

Multiple choice

What is the primary nutrient added to cornmeal to improve iron intake?

  1. Vitamin A

  2. Vitamin C

  3. Iron

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

Iron is the primary nutrient added to cornmeal to improve iron intake. Iron is essential for the production of red blood cells, which carry oxygen throughout the body.

Multiple choice

Which of the following is NOT a macronutrient essential for human health?

  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 that provide the body with energy and building blocks for various physiological processes. Vitamins, on the other hand, are micronutrients that are required in smaller amounts for specific bodily functions.

Multiple choice

Which vitamin is primarily responsible 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, also known as retinol, is essential for maintaining good vision, especially in dim light conditions. It plays a crucial role in the formation of rhodopsin, a pigment in the retina that allows us to see in low-light environments.

Multiple choice

Which vitamin is necessary for the absorption of calcium in the body?

  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. It helps maintain adequate levels of calcium in the blood, which is crucial for strong bones, teeth, and overall skeletal health.

Multiple choice

What type of pie is a good source of vitamin C?

  1. Lemon Pie

  2. Key Lime Pie

  3. Orange Cream Pie

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

Lemons are a good source of vitamin C, which is important for immune function and skin health.

Multiple choice

What type of pie is a good source of vitamin C?

  1. Lemon Pie

  2. Key Lime Pie

  3. Orange Cream Pie

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

Lemons are a good source of vitamin C, which is important for immune function and skin health.

Multiple choice

Which ingredient is commonly found in anti-aging skincare products?

  1. Retinol

  2. Hyaluronic acid

  3. Vitamin C

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

Retinol, a form of vitamin A, is known for its anti-aging properties, helping to reduce wrinkles, fine lines, and improve skin texture.

Multiple choice

Which vitamin is essential for collagen production in the skin?

  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 necessary for the production of collagen, a protein that provides structure and elasticity to the skin.