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 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 the three macronutrients that provide the body with energy and building blocks for growth and repair. Vitamins are micronutrients that are needed in small amounts for various bodily functions.

Multiple choice

What is the role of vitamins and minerals in sports nutrition?

  1. They provide energy

  2. They help build and repair tissues

  3. They regulate bodily functions

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

Vitamins and minerals play a variety of roles in the body, including providing energy, helping to build and repair tissues, and regulating bodily functions.

Multiple choice

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

  1. Retinol

  2. Hyaluronic acid

  3. Vitamin C

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

Retinol, a form of vitamin A, is a common ingredient in anti-aging skincare products. It helps to reduce the appearance of fine lines and wrinkles, improve skin texture, and boost collagen production.

Multiple choice

Which nutrient is particularly important for preventing neural tube defects in newborns?

  1. Iron

  2. Calcium

  3. Folic acid

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

Folic acid is crucial for preventing neural tube defects in newborns. It is recommended that women of childbearing age consume adequate folic acid to reduce the risk of these birth defects.

Multiple choice

Which vitamin is essential for maintaining healthy bones and teeth?

  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 crucial for maintaining healthy bones and teeth. It helps the body absorb calcium and promotes bone mineralization.

Multiple choice

Which vitamin is essential for preventing 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 preventing scurvy. It is found in citrus fruits, tomatoes, and other fruits and vegetables.

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 is essential for maintaining healthy vision. It plays a crucial role in the production of rhodopsin, a pigment necessary for low-light vision.

Multiple choice

Which vitamin is naturally present in milk but is often fortified in yogurt?

  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 naturally present in milk but is often fortified in yogurt to enhance its nutritional value.

Multiple choice

Which vitamin is naturally present in canola oil?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin E

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

Canola oil is a natural source of vitamin E, an antioxidant that helps protect cells from damage.

Multiple choice

Which macronutrient is most important for muscle recovery and repair after a workout?

  1. Carbohydrates

  2. Proteins

  3. Fats

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

Proteins are essential for muscle repair and growth. They provide the necessary amino acids to rebuild and strengthen muscle tissue.

Multiple choice

In addition to protein, what other macronutrient is important for post-workout recovery?

  1. Carbohydrates

  2. Fats

  3. Vitamins

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

Carbohydrates are essential for replenishing muscle glycogen stores and providing energy for recovery.

Multiple choice

Which vitamin is predominantly found in red meat and is essential for the production of red blood cells?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

  4. Vitamin B12
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Red meat is a rich source of vitamin B12, which plays a crucial role in the production of red blood cells.

Multiple choice

Which type of meat is a good source of vitamin B6?

  1. Beef

  2. Pork

  3. Chicken

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

Tuna is a rich source of vitamin B6, which is important for energy metabolism and brain function.

Multiple choice

Which nutrient is essential for building and repairing muscle tissue in young athletes?

  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 muscle tissue, which is crucial for growth and development in young athletes.

Multiple choice

Which vitamin is important for bone health and growth in young athletes?

  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 and growth, as it helps the body absorb calcium and phosphorus.