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 the primary source of energy for the body?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Carbohydrates are the primary source of energy for the body. They are broken down into glucose, which is used by cells for energy.

Multiple choice

Which nutrient is essential for the absorption of fat-soluble vitamins?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Fats are essential for the absorption of fat-soluble vitamins, such as vitamins A, D, E, and K. They also help in the storage of energy and the insulation of the body.

Multiple choice

Which vitamin is necessary for the prevention of night blindness?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin A is necessary for the prevention of night blindness. It also helps in the maintenance of healthy skin and vision.

Multiple choice

Which nutrient is necessary for the formation of hemoglobin?

  1. Iron

  2. Calcium

  3. Vitamin C

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

Iron is necessary for the formation of hemoglobin, which is the protein in red blood cells that carries oxygen throughout the body.

Multiple choice

Which nutrient is important for the maintenance of healthy skin and hair?

  1. Protein

  2. Carbohydrates

  3. Fats

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

Protein is important for the maintenance of healthy skin and hair. It also helps in the repair of tissues and the production of hormones and enzymes.

Multiple choice

Which nutrient is necessary for the prevention of anemia?

  1. Iron

  2. Calcium

  3. Vitamin C

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

Iron is necessary for the prevention of anemia. It also helps in the transportation of oxygen throughout the body.

Multiple choice

Which vitamin is particularly abundant in sunflower seed milk?

  1. Vitamin A

  2. Vitamin C

  3. Vitamin D

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

Sunflower seed milk is a good source of vitamin E, an antioxidant that helps protect cells from damage.

Multiple choice

Which vitamin is naturally present in milk and 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

Milk and yogurt naturally contain vitamin D, which is important for bone health and immune function.

Multiple choice

Which of the following nutrients is essential for the development of the baby's brain and nervous system?

  1. Calcium

  2. Iron

  3. Folic acid

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

Folic acid is a B vitamin that is essential for the development of the baby's brain and nervous system. It is also important for the prevention of neural tube defects, such as spina bifida.

Multiple choice

Which of the following foods is a good source of vitamin D?

  1. Salmon

  2. Tuna

  3. Eggs

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

Salmon, tuna, and eggs are all good sources of vitamin D. Vitamin D is essential for the absorption of calcium.

Multiple choice

Which of the following is NOT a macronutrient that toddlers need in their diet?

  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. Macronutrients are needed in larger amounts and provide energy and building blocks for the body.

Multiple choice

Which macronutrient is the primary source of energy for athletes during high-intensity exercise?

  1. Carbohydrates

  2. Fats

  3. Proteins

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

Carbohydrates are the body's preferred source of energy during intense exercise because they can be broken down quickly and provide a rapid burst of energy.

Multiple choice

Which macronutrient is used as a last resort for energy during prolonged exercise?

  1. Carbohydrates

  2. Fats

  3. Proteins

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

Proteins are used as a last resort for energy during prolonged exercise when carbohydrate and fat stores are depleted.

Multiple choice

Which nutrient is essential for strong bones and teeth?

  1. Vitamin C

  2. Vitamin D

  3. Calcium

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

Calcium is a mineral that is crucial for maintaining strong bones and teeth. It also plays a role in muscle function, nerve transmission, and blood clotting.

Multiple choice

Which vitamin is essential for blood clotting and wound healing?

  1. Vitamin A

  2. Vitamin B12

  3. Vitamin C

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

Vitamin K is a fat-soluble vitamin that plays a crucial role in blood clotting and wound healing.