Biology ยท General Awareness
Nutrition and Food Sources
2,818 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 antioxidant found in green tea?
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Catechins
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Theaflavins
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Quercetin
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Resveratrol
A
Correct answer
Explanation
Green tea contains a high concentration of catechins, powerful antioxidants that protect cells from damage.
Which tea is known for its high caffeine content and stimulating effects?
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Black Tea
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Green Tea
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White Tea
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Oolong Tea
A
Correct answer
Explanation
Black tea contains a higher amount of caffeine compared to other teas, providing a stimulating effect and increased alertness.
Which tea is traditionally consumed in Tibet to aid digestion and promote overall well-being?
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Black Tea
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Green Tea
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White Tea
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Pu-erh Tea
D
Correct answer
Explanation
Pu-erh tea is a fermented tea that is traditionally consumed in Tibet and is believed to aid digestion and promote overall well-being.
Which vegetable is naturally low in sodium and can be used as a base for low-sodium soups and stews?
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Potato
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Carrot
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Celery
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Zucchini
C
Correct answer
Explanation
Celery is a low-sodium vegetable that adds a subtle flavor and crunch to soups and stews.
What is the primary source of calcium in a lactose-free diet?
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Dairy products
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Leafy green vegetables
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Nuts and seeds
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Fortified plant-based milks
Correct answer
Explanation
In a lactose-free diet, calcium can be obtained from leafy green vegetables, nuts and seeds, fortified plant-based milks, and certain fortified foods.
What is the primary treatment for lactose intolerance?
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Avoiding lactose-containing foods
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Taking lactase enzyme supplements
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Consuming probiotics
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Following a gluten-free diet
Correct answer
Explanation
The primary treatment for lactose intolerance involves avoiding lactose-containing foods or taking lactase enzyme supplements before consuming lactose-containing foods to aid in digestion.
Which of the following foods is typically high in calcium and low in lactose?
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Spinach
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Broccoli
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Kale
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All of the above
D
Correct answer
Explanation
Leafy green vegetables such as spinach, broccoli, and kale are typically high in calcium and low in lactose, making them suitable options for individuals with lactose intolerance.
What is a unique characteristic of lentil tacos compared to traditional meat-based tacos?
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They are higher in protein
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They have a lower glycemic index
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They are a good source of fiber
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All of the above
D
Correct answer
Explanation
Lentil tacos are higher in protein, have a lower glycemic index, and are a good source of fiber compared to traditional meat-based tacos.
What is a suitable vegetable to add to the lentil filling for increased nutritional value?
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Bell peppers
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Zucchini
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Spinach
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All of the above
D
Correct answer
Explanation
Bell peppers, zucchini, spinach, and other vegetables can be added to the lentil filling to enhance its nutritional value and provide a variety of flavors and textures.
Which of the following is NOT considered a superfood?
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Acai berries
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Kale
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White rice
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Goji berries
C
Correct answer
Explanation
White rice is not considered a superfood as it lacks the high concentration of nutrients and antioxidants found in other superfoods.
Which superfood is known for its high content of omega-3 fatty acids?
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Chia seeds
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Quinoa
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Avocados
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Blueberries
A
Correct answer
Explanation
Chia seeds are an excellent source of omega-3 fatty acids, which are essential for heart and brain health.
Which superfood is a rich source of antioxidants, including anthocyanins?
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Blueberries
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Pomegranates
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Acai berries
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All of the above
D
Correct answer
Explanation
Blueberries, pomegranates, and acai berries are all rich sources of antioxidants, including anthocyanins, which have been linked to improved brain function and reduced risk of chronic diseases.
Which superfood is known for its high content of iron?
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Spinach
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Lentils
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Quinoa
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Black beans
A
Correct answer
Explanation
Spinach is an excellent source of iron, which is essential for red blood cell production and oxygen transport.
Which superfood is a good source of prebiotics, which promote the growth of beneficial bacteria in the gut?
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Bananas
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Garlic
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Jerusalem artichokes
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Asparagus
C
Correct answer
Explanation
Jerusalem artichokes are a rich source of prebiotics, which are non-digestible carbohydrates that feed beneficial bacteria in the gut, promoting gut health.
Which superfood is known for its high content of vitamin C?
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Oranges
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Grapefruit
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Strawberries
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Kiwi
D
Correct answer
Explanation
Kiwi is an excellent source of vitamin C, which is essential for immune function and collagen production.