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
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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Beans
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All of the above
D
Correct answer
Explanation
Red meat, poultry, and beans are all good sources of iron.
Which of the following is a good source of fiber?
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Fruits
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Vegetables
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Whole grains
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All of the above
D
Correct answer
Explanation
Fruits, vegetables, and whole grains are all good sources of fiber.
Which of the following is a good source of omega-3 fatty acids?
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Fatty fish
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Nuts
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Seeds
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All of the above
D
Correct answer
Explanation
Fatty fish, nuts, and seeds are all good sources of omega-3 fatty acids.
What is the term used to describe a diet that emphasizes plant-based foods and minimizes or excludes meat consumption?
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Vegetarianism
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Veganism
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Flexitarianism
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Pescetarianism
B
Correct answer
Explanation
Veganism is a diet that excludes all animal products, including meat, dairy, eggs, and honey.
Which of these foods is NOT typically included in a ketogenic diet?
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Avocado
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Sweet Potato
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Broccoli
B
Correct answer
Explanation
Sweet potatoes are high in carbohydrates and are not suitable for a ketogenic diet.
Which of these vegetables is a good source of fiber and low in carbohydrates?
B
Correct answer
Explanation
Spinach is a leafy green vegetable that is low in carbohydrates and high in fiber, making it a suitable choice for a ketogenic diet.
Which of these foods is a good source of healthy fats and low in carbohydrates?
A
Correct answer
Explanation
Almonds are a good source of healthy fats and low in carbohydrates, making them a suitable snack or addition to ketogenic meals.
Which of these fruits is relatively low in carbohydrates and suitable for a ketogenic diet?
C
Correct answer
Explanation
Avocado is a unique fruit that is low in carbohydrates and high in healthy fats, making it a suitable choice for a ketogenic diet.
Which of these vegetables is a good source of electrolytes and low in carbohydrates?
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Potato
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Cucumber
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Bell Pepper
B
Correct answer
Explanation
Cucumber is a good source of electrolytes, such as potassium and magnesium, and is low in carbohydrates, making it a suitable choice for a ketogenic diet.
Which of these nuts is a rich source of omega-3 fatty acids?
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Peanut
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Hazelnut
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Macadamia nut
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Walnut
D
Correct answer
Explanation
Walnuts, especially English walnuts (Juglans regia), are known for their high content of omega-3 fatty acids, particularly alpha-linolenic acid (ALA). Omega-3 fatty acids are essential fatty acids that play a crucial role in human health, supporting brain function, heart health, and reducing inflammation.
Which of these seeds is commonly used as a thickener in soups and stews?
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Chia seeds
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Flax seeds
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Sesame seeds
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Sunflower seeds
A
Correct answer
Explanation
Chia seeds, obtained from the plant Salvia hispanica, are known for their gelling properties. When soaked in liquid, they absorb water and form a gel-like substance. This property makes them a popular ingredient in various dishes, particularly soups and stews, where they act as a thickener and add a slightly nutty flavor.
Which of these nuts is a good source of dietary fiber?
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Almond
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Cashew
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Peanut
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Pistachio
A
Correct answer
Explanation
Almonds are a rich source of dietary fiber, both soluble and insoluble. Dietary fiber is important for maintaining a healthy digestive system, promoting regularity, and supporting overall gut health.
Which of the following foods is a good source of omega-3 fatty acids, which are beneficial for heart health and cognitive function?
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Lean beef
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Salmon
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Eggs
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Whole wheat bread
B
Correct answer
Explanation
Salmon is an excellent source of omega-3 fatty acids, which are essential fatty acids that play a crucial role in heart health and cognitive function.
Which of the following is NOT a common type of plant-based meat alternative?
D
Correct answer
Explanation
Quorn is a brand name for a meat alternative made from mycoprotein, a type of fungus. Tofu, tempeh, and seitan are all made from plant-based ingredients.
What is the main benefit of consuming plant-based foods over traditional animal-based foods?
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Lower risk of heart disease
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Reduced risk of certain types of cancer
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Lower environmental impact
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All of the above
D
Correct answer
Explanation
Plant-based foods are generally lower in saturated fat and cholesterol than animal-based foods, which can help reduce the risk of heart disease. They are also high in fiber, which can help reduce the risk of certain types of cancer. Additionally, plant-based foods have a lower environmental impact than animal-based foods, as they require less land, water, and energy to produce.