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 in eggs is important for maintaining healthy vision?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin A, particularly in the form of retinol, is crucial for maintaining good vision.

Multiple choice

Which nutrient in eggs is involved in the production of red blood cells?

  1. Iron

  2. Vitamin B12

  3. Vitamin C

  4. Vitamin K
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 in eggs is essential for the proper functioning of the nervous system?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin B12 is crucial for the proper functioning of the nervous system and the production of red blood cells.

Multiple choice

Which nutrient in eggs is involved in the metabolism of carbohydrates, proteins, and fats?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

  4. Vitamin B6
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vitamin B6 plays a vital role in the metabolism of macronutrients and the production of neurotransmitters.

Multiple choice

Which nutrient is essential for maintaining 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, particularly in the form of retinol, is crucial for vision as it aids in the conversion of light into electrical signals in the retina.

Multiple choice

Which Ayurvedic fruit is rich in vitamin C and is known for its antioxidant and anti-aging properties?

  1. Amla

  2. Pomegranate

  3. Mango

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

Amla, also known as Indian gooseberry, is a rich source of vitamin C and is known for its antioxidant and anti-aging properties. It is also known to boost immunity and improve digestion.

Multiple choice

Which nutrient is commonly deficient in vegan diets and may require supplementation?

  1. Vitamin B12

  2. Vitamin D

  3. Calcium

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

Vitamin B12 is primarily found in animal products, making it difficult for vegans to obtain adequate amounts through diet alone.

Multiple choice

What is the primary source of vitamin D for vegetarians and vegans?

  1. Sunlight

  2. Fortified Foods

  3. Supplements

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

Vitamin D is primarily obtained through sunlight exposure, and fortified foods and supplements can also contribute to intake.

Multiple choice

Which additive is commonly used as a preservative in pet food?

  1. Vitamin E

  2. Sodium benzoate

  3. Calcium propionate

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

Sodium benzoate is a widely used preservative in pet food due to its effectiveness in inhibiting the growth of bacteria and mold.

Multiple choice

Which nutrient is commonly added to salt to prevent iodine deficiency?

  1. Vitamin A

  2. Iodine

  3. Iron

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

Iodine is commonly added to salt to prevent iodine deficiency. 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 wheat flour to prevent beriberi?

  1. Vitamin A

  2. Thiamine

  3. Iron

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

Thiamine is the primary nutrient added to wheat flour to prevent beriberi. Thiamine is essential for the metabolism of carbohydrates and the production of energy.

Multiple choice

Which nutrient is commonly added to milk to improve bone health?

  1. Vitamin A

  2. Vitamin D

  3. Iron

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

Calcium is commonly added to milk to improve bone health. Calcium is essential for the formation and maintenance of strong bones and teeth.

Multiple choice

What is the primary nutrient added to orange juice to improve vitamin C intake?

  1. Vitamin A

  2. Vitamin C

  3. Iron

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

Vitamin C is the primary nutrient added to orange juice to improve vitamin C intake. Vitamin C is an antioxidant that helps protect cells from damage.

Multiple choice

Which nutrient is commonly added to breakfast cereals 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 breakfast cereals 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 cooking oil 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 the primary nutrient added to cooking oil to improve vitamin A intake. Vitamin A is essential for vision, immune function, and cell growth.