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
Which nutrient is important for energy production and metabolism in young athletes?
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Carbohydrates
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Proteins
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Fats
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Vitamins
A
Correct answer
Explanation
Carbohydrates are the body's primary source of energy, and young athletes need a sufficient intake to support their training and performance.
Which nutrient is important for red blood cell production and oxygen transport in young athletes?
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Iron
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Vitamin B12
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Vitamin C
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Vitamin D
A
Correct answer
Explanation
Iron is essential for red blood cell production and oxygen transport, and young athletes need a sufficient intake to support their training and performance.
Which nutrient is important for muscle recovery and repair in young athletes?
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Carbohydrates
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Proteins
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Fats
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Vitamins
B
Correct answer
Explanation
Proteins are essential for muscle recovery and repair, and young athletes need a sufficient intake to support their training and performance.
Which nutrient is important for nerve function and cognitive performance in young athletes?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin B12
D
Correct answer
Explanation
Vitamin B12 is essential for nerve function and cognitive performance, and young athletes need a sufficient intake to support their training and performance.
Which nutrient is important for bone health and muscle function in young athletes?
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Calcium
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Potassium
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Magnesium
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Vitamin D
A
Correct answer
Explanation
Calcium is essential for bone health and muscle function, and young athletes need a sufficient intake to support their training and performance.
Which ingredient in skincare products is known for its anti-aging properties?
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Retinol
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Hyaluronic Acid
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Vitamin C
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Collagen
A
Correct answer
Explanation
Retinol, a derivative of Vitamin A, is a powerful anti-aging ingredient that helps to reduce the appearance of fine lines, wrinkles, and age spots. It also promotes cell turnover and collagen production, resulting in a more youthful and radiant complexion.
Which macronutrient provides the body with energy during exercise?
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Protein
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Carbohydrates
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Fats
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Vitamins
B
Correct answer
Explanation
Carbohydrates are the body's primary source of energy during exercise. They are broken down into glucose, which is then used by muscles for fuel.
Which micronutrient is involved in the metabolism of carbohydrates, fats, and proteins?
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Vitamin B12
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Vitamin C
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Vitamin D
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Vitamin K
A
Correct answer
Explanation
Vitamin B12 is involved in the metabolism of carbohydrates, fats, and proteins. It is also essential for the production of red blood cells.
Which micronutrient is involved in the absorption of calcium and the maintenance of bone health?
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Vitamin D
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Vitamin E
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Vitamin K
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Vitamin A
A
Correct answer
Explanation
Vitamin D is involved in the absorption of calcium and the maintenance of bone health. A deficiency in vitamin D can lead to osteoporosis, which is a condition characterized by weak and brittle bones.
Which micronutrient is involved in the production of collagen, which is a protein found in connective tissue?
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Vitamin C
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Vitamin E
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Vitamin K
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Vitamin A
A
Correct answer
Explanation
Vitamin C is involved in the production of collagen, which is a protein found in connective tissue. Collagen is essential for the strength and integrity of bones, tendons, and ligaments.
Which macronutrient is essential for muscle growth and repair?
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Carbohydrates
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Protein
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Fats
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Vitamins
B
Correct answer
Explanation
Protein is essential for muscle growth and repair. It is also involved in the production of enzymes and hormones.
Which vitamin is essential for the absorption of calcium and the maintenance of bone health?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin E
C
Correct answer
Explanation
Vitamin D is essential for the absorption of calcium and the maintenance of bone health. A deficiency in vitamin D can lead to osteoporosis, which is a condition characterized by weak and brittle bones.
Which nutrient is crucial for the development of the central nervous system in infants and young children?
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Vitamin A
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Vitamin C
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Iron
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Calcium
C
Correct answer
Explanation
Iron is essential for the development of the central nervous system in infants and young children, as it plays a vital role in the production of neurotransmitters and myelin.
Which nutrient is important for the absorption of calcium and bone health?
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Vitamin A
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Vitamin D
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Vitamin C
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Vitamin E
B
Correct answer
Explanation
Vitamin D is important for the absorption of calcium and bone health, as it helps the body absorb calcium from the intestines and promotes bone mineralization.
Which food additive is commonly used as an antioxidant?
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Butylated hydroxyanisole (BHA)
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Butylated hydroxytoluene (BHT)
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Ascorbic acid (Vitamin C)
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All of the above
D
Correct answer
Explanation
Butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), and ascorbic acid (Vitamin C) are all commonly used food additives that act as antioxidants, preventing the oxidation of fats and oils and extending the shelf life of food products.