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 vitamin is commonly deficient in older adults and can lead to cognitive decline?
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Vitamin D
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Vitamin B12
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Vitamin C
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Vitamin A
B
Correct answer
Explanation
Vitamin B12 deficiency is common among older adults and can result in cognitive impairment, anemia, and nerve damage.
Which nutrient is essential for muscle recovery and growth?
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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 recovery and growth as it provides the building blocks for new muscle tissue.
Which vitamin is important for energy production and muscle function?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin B
D
Correct answer
Explanation
Vitamin B, particularly B1 (thiamine), B2 (riboflavin), and B3 (niacin), are essential for energy production and muscle function.
Which vitamin is essential for blood clotting and wound healing?
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Vitamin A
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Vitamin C
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Vitamin K
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Vitamin D
C
Correct answer
Explanation
Vitamin K is essential for blood clotting and wound healing, as it helps in the production of proteins involved in these processes.
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 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 macronutrients, while vitamins are micronutrients.
Which of the following is a water-soluble vitamin?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin K
B
Correct answer
Explanation
Vitamin C is a water-soluble vitamin, meaning it dissolves in water and is not stored in the body.
Which of the following is a macronutrient?
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Protein
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Vitamin C
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Calcium
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Iron
A
Correct answer
Explanation
Macronutrients are nutrients that the body needs in large amounts. They include carbohydrates, proteins, and fats.
Which of the following is a micronutrient?
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Carbohydrates
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Vitamin C
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Calcium
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Iron
B
Correct answer
Explanation
Micronutrients are nutrients that the body needs in small amounts. They include vitamins and minerals.
Which of the following is a good source of vitamin D?
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Sunlight
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Fatty fish
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Fortified foods
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All of the above
D
Correct answer
Explanation
Vitamin D is an essential vitamin that helps the body absorb calcium. Good sources of vitamin D include sunlight, fatty fish, and fortified foods.
Which of the following is a good source of vitamin C?
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Citrus fruits
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Berries
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Leafy green vegetables
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All of the above
D
Correct answer
Explanation
Vitamin C is an essential vitamin that helps boost the immune system. Good sources of vitamin C include citrus fruits, berries, and leafy green vegetables.
Which of the following is a good source of vitamin K?
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Leafy green vegetables
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Broccoli
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Brussels sprouts
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All of the above
D
Correct answer
Explanation
Vitamin K is an essential vitamin that helps the blood clot. Good sources of vitamin K include leafy green vegetables, broccoli, and Brussels sprouts.
Which of the following is NOT a major type of nutrient required for athletes?
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Carbohydrates
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Proteins
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Fats
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Vitamins
D
Correct answer
Explanation
While vitamins are essential for overall health, they are not a major source of energy for athletes.
Which nut is a good source of vitamin B6, which is essential for brain health, immune function, and red blood cell production?
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Pistachio
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Cashew
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Macadamia nut
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Peanut
A
Correct answer
Explanation
Pistachios are a good source of vitamin B6, which is essential for brain health, immune function, and red blood cell production.
Which nutrient is essential for strong bones and teeth?
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Calcium
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Iron
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Vitamin C
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Vitamin D
A
Correct answer
Explanation
Calcium is essential for strong bones and teeth.