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 vitamin 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, plays a crucial role in maintaining healthy vision and preventing night blindness.

Multiple choice

What is the nutritional value of Korma?

  1. High in protein and calcium

  2. Low in calories and fat

  3. Rich in vitamins and minerals

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

Korma is a good source of protein, calcium, vitamins, and minerals, and can be a healthy option when consumed in moderation.

Multiple choice

Which of the following is NOT a macronutrient?

  1. Carbohydrates

  2. Proteins

  3. Vitamins

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

Carbohydrates, proteins, and fats are the three macronutrients that provide the body with energy and essential nutrients. Vitamins are micronutrients that are required in smaller amounts for various bodily functions.

Multiple choice

Which vitamin 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 necessary for strong bones and teeth. It also plays a role in immune function and cell growth.

Multiple choice

Which vitamin is necessary for the prevention of scurvy?

  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 the prevention of scurvy, a disease caused by a deficiency of this vitamin. It also plays a role in immune function and collagen synthesis.

Multiple choice

Which vitamin is necessary for the prevention of 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 essential for the prevention of night blindness, a condition that makes it difficult to see in low light. It also plays a role in immune function and skin health.

Multiple choice

Which of the following vitamins is commonly found in high concentrations in fruit juices?

  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 (ascorbic acid) is abundant in many fruit juices, particularly citrus juices, and is an essential nutrient for immune function and antioxidant defense.

Multiple choice

What is the primary role of ascorbic acid (vitamin C) in fruit juices?

  1. Sweetening

  2. Color enhancement

  3. Antioxidant activity

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

Ascorbic acid (vitamin C) acts as an antioxidant in fruit juices, helping to protect them from oxidative damage and maintaining their nutritional value and quality.

Multiple choice

Which of the following is NOT a macronutrient?

  1. Carbohydrates

  2. Proteins

  3. Vitamins

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

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

Multiple choice

Which of the following is NOT a type of vitamin?

  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 a hormone rather than a vitamin.

Multiple choice

Which of the following is NOT a type of antioxidant?

  1. Vitamin C

  2. Vitamin E

  3. Beta-carotene

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

Sodium is not an antioxidant.

Multiple choice

What are the three macronutrients?

  1. Carbohydrates, proteins, and fats

  2. Vitamins, minerals, and water

  3. Fiber, sugar, and salt

  4. Calories, nutrients, and energy
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The three macronutrients are carbohydrates, proteins, and fats.

Multiple choice

What is the primary vitamin in legumes?

  1. Vitamin C

  2. Vitamin B6

  3. Folate

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

Folate is the primary vitamin in legumes.

Multiple choice

Which vitamin is crucial for energy metabolism and red blood cell production in athletes?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin B12 is essential for the synthesis of red blood cells and the production of energy through the metabolism of carbohydrates, fats, and proteins.

Multiple choice

Which vitamin is involved in the absorption of calcium and bone mineralization, important for athletes' skeletal health?

  1. Vitamin A

  2. Vitamin D

  3. Vitamin E

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

Vitamin D promotes the absorption of calcium from the intestines and facilitates its incorporation into bone tissue, ensuring strong and healthy bones.