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 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 do not provide energy.
Which of the following 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 K
C
Correct answer
Explanation
Vitamin D is essential for the absorption of calcium, which is important for bone health.
Which of the following nutrients is commonly associated with improved mood and reduced risk of depression?
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Omega-3 Fatty Acids
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Vitamin C
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Iron
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Calcium
A
Correct answer
Explanation
Omega-3 fatty acids, found in foods like fish, nuts, and seeds, have been linked to improved brain function and reduced symptoms of depression.
Which of the following is a vitamin found in milk and yogurt?
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Vitamin A
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Vitamin B12
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Vitamin D
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All of the above
D
Correct answer
Explanation
Milk and yogurt are good sources of several vitamins, including vitamin A, vitamin B12, and vitamin D.
Which vitamin is naturally present in milk and 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
Milk is a natural source of vitamin D, which plays a crucial role in calcium absorption and bone mineralization.
Which component of milk is responsible for its characteristic yellow color?
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Carotene
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Riboflavin
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Thiamine
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Vitamin D
A
Correct answer
Explanation
Carotene, a fat-soluble pigment, is responsible for the yellow color of milk and is derived from the cow's diet.
Which of the following vitamins is particularly abundant in legumes and pulses?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin B9 (folate)
D
Correct answer
Explanation
Legumes and pulses are particularly rich in vitamin B9 (folate), which is important for cell growth and development.
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.
Which of the following is a good source of vitamin A?
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Carrots
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Sweet potatoes
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Spinach
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All of the above
D
Correct answer
Explanation
Carrots, sweet potatoes, and spinach are all good sources of vitamin A.
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 milk
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All of the above
D
Correct answer
Explanation
Sunlight, fatty fish, and fortified milk are all good sources of vitamin D.
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
Leafy green vegetables, broccoli, and Brussels sprouts are all good sources of vitamin K.
Which of the following is NOT a key nutrient for pregnant women?
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Iron
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Calcium
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Vitamin A
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Zinc
C
Correct answer
Explanation
Vitamin A is not a key nutrient for pregnant women, although it is important for overall health.
What is the most important nutrient for a newborn baby?
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Protein
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Carbohydrates
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Fats
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Vitamins and minerals
D
Correct answer
Explanation
Vitamins and minerals are the most important nutrients for a newborn baby.
Which of the following is a good source of vitamin A?
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Carrots
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Sweet Potatoes
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Spinach
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All of the Above
D
Correct answer
Explanation
Carrots, sweet potatoes, and spinach are all good sources of vitamin A. Vitamin A is important for maintaining healthy vision and preventing night blindness.
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 important for maintaining healthy blood vessels in the eyes and preventing cataracts.