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 important for immune function and wound healing?
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Vitamin A
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Vitamin C
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Vitamin D
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Vitamin E
B
Correct answer
Explanation
Vitamin C is important for immune function and wound healing.
Which nutrient is essential for red blood cell production?
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Iron
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Vitamin B12
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Folic acid
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Vitamin K
A
Correct answer
Explanation
Iron is essential for red blood cell production.
What is the role of vitamin D in disease prevention?
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Promotes bone health
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Boosts the immune system
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Reduces the risk of cancer
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All of the above
D
Correct answer
Explanation
Vitamin D promotes bone health, boosts the immune system, and reduces the risk of cancer.
Which nutrient is essential for blood clotting and wound healing?
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Vitamin K
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Iron
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Calcium
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Vitamin C
A
Correct answer
Explanation
Vitamin K is essential for blood clotting and wound healing.
Which of the following nutrients is not found in significant amounts in sunflower oil?
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Vitamin E
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Vitamin K
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Omega-3 Fatty Acids
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Calcium
D
Correct answer
Explanation
Sunflower oil is a good source of Vitamin E and Vitamin K, but it does not contain significant amounts of Omega-3 Fatty Acids or Calcium.
Which vitamin is particularly abundant in avocados?
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Vitamin A
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Vitamin C
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Vitamin E
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Vitamin K
D
Correct answer
Explanation
Avocados are an excellent source of Vitamin K, which plays a crucial role in blood clotting and bone health.
What is the primary antioxidant compound found in avocados?
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Carotenoids
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Flavonoids
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Phenolic compounds
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Tocopherols
C
Correct answer
Explanation
Avocados contain a variety of phenolic compounds, including flavonoids and catechins, which act as antioxidants, protecting cells from damage caused by free radicals.
Which of the following nutrients is particularly important for muscle recovery after exercise?
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Carbohydrates
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Protein
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Fats
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Vitamins and minerals
B
Correct answer
Explanation
Protein is essential for muscle recovery and repair after exercise, as it provides the building blocks for muscle tissue.
Which of the following is a good source of vitamin D?
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Milk
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Eggs
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Salmon
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Broccoli
C
Correct answer
Explanation
Salmon is a good source of vitamin D, while milk, eggs, and broccoli are not.
Milk is a rich source of which essential nutrient?
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Calcium
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Vitamin D
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Protein
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Iron
A
Correct answer
Explanation
Milk is renowned for its high calcium content, which plays a crucial role in maintaining strong bones and teeth.
Which vitamin is naturally present in milk but often fortified to enhance its content?
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Vitamin A
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Vitamin C
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Vitamin D
-
Vitamin E
C
Correct answer
Explanation
Milk is naturally a good source of Vitamin D, but many countries fortify milk with additional Vitamin D to promote bone health.
Which of the following is a source of vitamin B12?
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Meat
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Eggs
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Dairy products
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All of the above
D
Correct answer
Explanation
Meat, eggs, and dairy products are all good sources of vitamin B12, which is an essential vitamin for the nervous system and blood cells.
Which of the following nutrients is NOT typically found in soy milk?
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Protein
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Calcium
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Lactose
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Vitamin D
C
Correct answer
Explanation
Soy milk is naturally lactose-free, making it a suitable alternative for individuals with lactose intolerance or sensitivity.
Which of the following vitamins is often fortified in soy milk?
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Vitamin A
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Vitamin B12
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Vitamin C
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Vitamin E
B
Correct answer
Explanation
Soy milk is often fortified with vitamin B12, which is naturally found in animal products but is not present in soybeans.
Which of the following nutrients is commonly targeted for biofortification?
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Iron
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Zinc
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Vitamin A
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All of the above
D
Correct answer
Explanation
Iron, zinc, and vitamin A are three of the most common micronutrients that are targeted for biofortification.