Biology ยท General Awareness
Nutrition and Food Sources
2,738 Questions
Nutrition and Food Sources questions test your knowledge of vitamins, dietary minerals, carbohydrates, and specialized dietary principles. This topic is commonly asked in railway, SSC, and UPSC exams. Review these questions to master the biological and health aspects of human nutrition.
Vitamins and mineralsDietary fiber sourcesMacronutrient functionsNaturopathic diet principlesOmega-3 fatty acids
Nutrition and Food Sources Questions
What is the primary benefit of consuming lutein-rich functional foods?
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Improved vision
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Reduced risk of heart disease
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Enhanced cognitive function
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Increased muscle mass
A
Correct answer
Explanation
Lutein-rich functional foods, such as leafy greens and egg yolks, support eye health by protecting the macula, a part of the retina responsible for central vision.
Which functional food is a good source of probiotics, beneficial for gut health?
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Yogurt
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Kimchi
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Kombucha
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White rice
A
Correct answer
Explanation
Yogurt is a fermented dairy product rich in probiotics, live microorganisms that support a healthy gut microbiome and promote digestive health.
Which functional food is a good source of beta-glucan, known for its immune-boosting properties?
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Oats
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Mushrooms
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Barley
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White bread
A
Correct answer
Explanation
Oats are a good source of beta-glucan, a soluble fiber that has immune-boosting properties and may help reduce cholesterol levels.
What is the primary benefit of consuming selenium-rich functional foods?
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Improved thyroid function
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Reduced risk of heart disease
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Enhanced cognitive function
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Increased muscle mass
A
Correct answer
Explanation
Selenium-rich functional foods, such as Brazil nuts and seafood, support thyroid function by providing essential nutrients for hormone production.
Which of the following is NOT a key recommendation of the Dietary Guidelines for Americans?
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Choose a variety of fruits and vegetables.
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Limit saturated and trans fats.
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Choose whole grains over refined grains.
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Consume moderate amounts of alcohol.
D
Correct answer
Explanation
The Dietary Guidelines for Americans recommend limiting alcohol consumption, not consuming it in moderation.
Which of the following is a good source of omega-3 fatty acids?
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Salmon
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Tuna
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Flaxseed
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Walnuts
A
Correct answer
Explanation
Salmon is a fatty fish that is a good source of omega-3 fatty acids.
Which of the following is a good source of dietary fiber?
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White bread
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Brown rice
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Oatmeal
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Pasta
C
Correct answer
Explanation
Oatmeal is a whole grain that is a good source of dietary fiber.
Which of the following is a good source of calcium?
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Milk
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Yogurt
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Cheese
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Spinach
A
Correct answer
Explanation
Milk is a good source of calcium and other essential nutrients.
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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Broccoli
A
Correct answer
Explanation
Oranges are a good source of vitamin C and other essential nutrients.
Which of the following is a good source of iron?
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Red meat
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Poultry
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Fish
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Beans
A
Correct answer
Explanation
Red meat is a good source of iron and other essential nutrients.
Which of the following is a good source of folate?
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Leafy green vegetables
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Citrus fruits
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Beans
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Whole grains
A
Correct answer
Explanation
Leafy green vegetables are a good source of folate and other essential nutrients.
Which of the following is a good source of potassium?
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Bananas
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Sweet potatoes
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Yogurt
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Avocados
A
Correct answer
Explanation
Bananas are a good source of potassium and other essential nutrients.
Which of the following is a good source of magnesium?
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Almonds
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Spinach
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Black beans
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Avocados
A
Correct answer
Explanation
Almonds are a good source of magnesium and other essential nutrients.
Which of the following is a good source of zinc?
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Oysters
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Red meat
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Beans
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Nuts
A
Correct answer
Explanation
Oysters are a good source of zinc and other essential nutrients.
Which of the following is a good source of selenium?
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Brazil nuts
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Seafood
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Meat
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Eggs
A
Correct answer
Explanation
Brazil nuts are a good source of selenium and other essential nutrients.