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 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
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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.
All fruits contain vitamins and minerals. Apples are fruits. Therefore, apples contain vitamins and minerals.
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Deductive Argument
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Inductive Argument
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Causal Argument
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Persuasive Argument
A
Correct answer
Explanation
The argument is deductive because it draws a specific conclusion (apples contain vitamins and minerals) from a general premise (all fruits contain vitamins and minerals) and a specific premise (apples are fruits).
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.
Which nutrient is particularly important for seniors to consume?
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Calcium
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Vitamin D
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Protein
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Fiber
Correct answer
Explanation
Calcium, vitamin D, protein, and fiber are all essential nutrients for seniors to maintain bone health, muscle strength, and overall well-being.
Which citrus fruit is rich in vitamin C and is often used to prevent and treat scurvy?
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Lemon
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Grapefruit
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Orange
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Tangerine
C
Correct answer
Explanation
Oranges are an excellent source of vitamin C, which is essential for maintaining a healthy immune system. Sailors in the past often consumed oranges to prevent scurvy, a disease caused by vitamin C deficiency.
What is the main carotenoid found in carrots that is converted to vitamin A in the body?
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Lutein
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Zeaxanthin
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Beta-carotene
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Lycopene
C
Correct answer
Explanation
Carrots are known for their high content of beta-carotene, a carotenoid that is converted to vitamin A in the body. Vitamin A is essential for maintaining healthy vision, especially in dim light conditions.
What is the primary nutrient found in egg yolk?
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Protein
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Carbohydrates
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Fats
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Vitamins
C
Correct answer
Explanation
Egg yolk is primarily composed of fats, including saturated and unsaturated fats.
Which vitamin is most abundant in egg yolk?
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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
Egg yolk is a rich source of vitamin D, which is important for bone health.
Which vegetable is an excellent source of vitamin C?
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Broccoli
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Carrot
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Potato
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Spinach
A
Correct answer
Explanation
Broccoli is a cruciferous vegetable that is rich in vitamin C, providing over 100% of the daily recommended value in a single serving.