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 of the following vitamins is involved in blood clotting?
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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 involved in the synthesis of blood clotting factors.
Which vitamin is commonly associated with cataract prevention?
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Vitamin A
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Vitamin C
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Vitamin E
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Vitamin D
B
Correct answer
Explanation
Vitamin C is an antioxidant that may help protect the eyes from damage and reduce the risk of cataract formation.
Which nutrient is not typically included in the %DV column on a dairy product label?
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Calories
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Total Fat
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Saturated Fat
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Vitamin D
D
Correct answer
Explanation
Vitamin D is not typically included in the %DV column on a dairy product label, as it is not a nutrient of concern for most individuals and is not commonly found in significant amounts in dairy products.
Which vitamin is essential for calcium absorption and bone mineralization?
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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 necessary for the absorption of calcium from the intestines and its incorporation into bone.
Which vitamin is essential for the absorption of calcium and the maintenance of healthy bones?
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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 healthy bones.
Which of the following nutrients is particularly important for the elderly?
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Protein
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Calcium
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Vitamin D
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All of the above
D
Correct answer
Explanation
Protein, calcium, and vitamin D are all essential nutrients for the elderly. Protein helps to maintain muscle mass, calcium helps to maintain bone health, and vitamin D helps the body absorb calcium.
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 a good source of vitamin C?
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Oranges
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Grapefruit
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Strawberries
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All of the above
D
Correct answer
Explanation
Oranges, grapefruit, and strawberries are all good sources of vitamin C. Vitamin C is an essential nutrient that helps to support the immune system and protect against infection.
Which vitamin is naturally present in pistachio milk, providing a significant percentage of the daily recommended intake?
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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
Pistachio milk is a natural source of vitamin B12, an essential nutrient that is often lacking in plant-based diets.
Which of the following nutrients is essential for infant growth and development?
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Protein
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Carbohydrates
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Fats
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All of the above
D
Correct answer
Explanation
All of the above nutrients are essential for infant growth and development.
Which vitamin is important for bone health in infants?
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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 important for bone health in infants because it helps the body absorb calcium.
Which of the following foods is a good source of vitamin D for infants?
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Salmon
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Tuna
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Eggs
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All of the above
D
Correct answer
Explanation
All of the above foods are good sources of vitamin D for infants.
Which of the following foods is a good source of vitamin K for infants?
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Kale
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Spinach
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Broccoli
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All of the above
D
Correct answer
Explanation
All of the above foods are good sources of vitamin K for infants.
Which nutrient is commonly deficient in rice-based diets?
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Vitamin A
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Vitamin C
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Iron
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Calcium
A
Correct answer
Explanation
Rice-based diets are often deficient in vitamin A, leading to potential health issues such as night blindness and impaired immune function.
Which nutrient is commonly fortified in rice to address deficiencies in certain populations?
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Vitamin A
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Vitamin D
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Iron
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Calcium
C
Correct answer
Explanation
Rice is often fortified with iron to address iron deficiency, which is a common problem in many rice-consuming regions.