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
Which of the following is NOT a macronutrient?
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Carbohydrates
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Proteins
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Fats
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Vitamins
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 essential for various bodily functions, but they do not provide energy.
Which of the following is NOT a micronutrient?
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Vitamins
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Minerals
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Carbohydrates
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Proteins
C
Correct answer
Explanation
Carbohydrates, proteins, and fats are macronutrients, while vitamins and minerals are micronutrients. Micronutrients are essential for various bodily functions, but they are needed in smaller amounts than macronutrients.
Which vitamin is essential for the absorption of calcium?
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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, which is a mineral that is necessary for strong bones and teeth.
Which nutrient is particularly important for seniors to consume in adequate amounts to maintain strong bones and prevent osteoporosis?
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Calcium
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Iron
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Vitamin C
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Protein
A
Correct answer
Explanation
Calcium is essential for maintaining strong bones and preventing osteoporosis, a condition that weakens bones and makes them more prone to fractures.
Which vitamin is crucial for seniors to consume to prevent night blindness and maintain healthy vision?
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Vitamin A
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Vitamin B12
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Vitamin C
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Vitamin D
A
Correct answer
Explanation
Vitamin A is essential for maintaining healthy vision, including preventing night blindness and age-related macular degeneration.
Which nutrient is essential for seniors to consume to maintain healthy gums and teeth?
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Vitamin C
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Vitamin D
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Calcium
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Iron
A
Correct answer
Explanation
Vitamin C is important for maintaining healthy gums and teeth, as it helps prevent gum disease and tooth decay.
Which nutrient is essential for seniors to consume to maintain healthy skin and reduce the risk of wrinkles?
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Vitamin A
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Vitamin C
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Vitamin E
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Collagen
B
Correct answer
Explanation
Vitamin C is important for maintaining healthy skin and reducing the risk of wrinkles, as it helps produce collagen, a protein that provides structure to the skin.
Which nutrient is essential for seniors to consume to maintain healthy nerve function and reduce the risk of nerve damage?
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Vitamin B12
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Vitamin D
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Calcium
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Potassium
A
Correct answer
Explanation
Vitamin B12 is important for maintaining healthy nerve function and reducing the risk of nerve damage, particularly in seniors.
Which nutrient is essential for seniors to consume to maintain healthy muscles and reduce the risk of muscle weakness?
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Protein
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Vitamin D
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Calcium
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Potassium
A
Correct answer
Explanation
Protein is essential for maintaining healthy muscles and reducing the risk of muscle weakness, particularly in seniors.
Which of the following is NOT a macronutrient essential for musculoskeletal health?
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Carbohydrates
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Proteins
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Fats
-
Vitamins
D
Correct answer
Explanation
Carbohydrates, proteins, and fats are the three macronutrients essential for musculoskeletal health. Vitamins are micronutrients that are also important for health, but they are not macronutrients.
Which of the following vitamins is essential for 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 bone health. It helps the body absorb calcium and phosphorus, which are necessary for building and maintaining strong bones.
Which of these is NOT a macronutrient essential for sports performance?
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Carbohydrates
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Proteins
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Fats
-
Vitamins
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 essential for various bodily functions but do not provide significant energy.
Which vitamin is synthesized in the skin upon exposure to sunlight?
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Vitamin A
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Vitamin B12
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Vitamin C
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Vitamin D
D
Correct answer
Explanation
Vitamin D is synthesized in the skin upon exposure to sunlight and is essential for calcium absorption and bone health.
Which vitamin is essential for seniors to prevent vitamin B12 deficiency and maintain cognitive function?
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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 seniors to prevent vitamin B12 deficiency and maintain cognitive function, as it plays a crucial role in nerve function and DNA synthesis.
Which of the following nutrients is often lacking in frozen meals?
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Protein
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Fiber
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Vitamin C
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Calcium
B
Correct answer
Explanation
Fiber is often lacking in frozen meals because it is not a nutrient that is naturally found in many of the ingredients used in these meals.