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 are functional foods?
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Foods that provide basic nutrition but no additional health benefits.
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Foods that are fortified with vitamins and minerals to enhance their nutritional value.
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Foods that contain naturally occurring compounds that have specific health benefits beyond basic nutrition.
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Foods that are processed to remove unhealthy components and enhance their shelf life.
C
Correct answer
Explanation
Functional foods are those that provide health benefits beyond basic nutrition due to the presence of naturally occurring compounds, such as antioxidants, fiber, or probiotics.
How do functional foods differ from dietary supplements?
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Functional foods are typically consumed as part of a regular diet, while dietary supplements are taken in concentrated form.
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Functional foods are regulated by the FDA, while dietary supplements are not.
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Functional foods are more expensive than dietary supplements.
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Functional foods are less effective than dietary supplements.
A
Correct answer
Explanation
Functional foods are incorporated into the regular diet, providing health benefits through their natural components. Dietary supplements, on the other hand, are concentrated sources of nutrients or other substances that are taken in addition to a regular diet.
Which of the following nuts is a rich source of monounsaturated fats, protein, and antioxidants?
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Almonds
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Cashews
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Peanuts
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Walnuts
D
Correct answer
Explanation
Walnuts are known for their high content of monounsaturated fats, particularly alpha-linolenic acid (ALA), which is an essential fatty acid. They also provide a good amount of protein and antioxidants, including polyphenols and flavonoids.
Which type of seed is commonly used as a thickener and stabilizer in food products?
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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 are known for their gelling properties when hydrated. They can absorb up to 10 times their weight in water, forming a gel-like substance that can be used as a thickener or stabilizer in various food applications.
Which seed is a good source of omega-3 fatty acids, particularly alpha-linolenic acid (ALA)?
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Hemp Seeds
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Pumpkin Seeds
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Quinoa Seeds
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Safflower Seeds
A
Correct answer
Explanation
Hemp seeds are known for their high content of omega-3 fatty acids, especially ALA. They also provide a good amount of protein, fiber, and various minerals.
Which seed is often used as a thickener or binder in various food applications, such as sauces, soups, and baked goods?
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Chia Seeds
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Flax Seeds
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Sesame Seeds
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Quinoa Seeds
B
Correct answer
Explanation
Flax seeds are known for their gelling properties when ground or soaked. They can be used as a thickener or binder in various food applications, providing a smooth and viscous texture.
Which nutrient is commonly found in nuts and seeds?
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Protein
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Fiber
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Healthy fats
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All of the above
D
Correct answer
Explanation
Nuts and seeds are good sources of protein, fiber, and healthy fats, which are important for overall health.
What type of fish is commonly used to make fish oil supplements?
A
Correct answer
Explanation
Salmon is commonly used to make fish oil supplements because it is a rich source of omega-3 fatty acids.
Which of the following fruit juices is considered to be the most sustainable option?
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Apple juice
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Orange juice
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Grape juice
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Mango juice
A
Correct answer
Explanation
Apple juice is generally considered to be the most sustainable option among the given choices due to its relatively low water requirements and carbon footprint.
What is a potential health benefit of consuming Lentil Hummus?
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High in Protein
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High in Fiber
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Low in Calories
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All of the Above
D
Correct answer
Explanation
Lentil Hummus is a nutritious food that is high in protein, fiber, and low in calories, making it a healthy addition to a balanced diet.
Which of these is a common protein source in South Indian vegetarian cuisine?
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Lentils
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Chickpeas
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Black Beans
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All of the above
D
Correct answer
Explanation
Lentils, chickpeas, and black beans are all widely used in South Indian vegetarian cooking, providing a rich source of protein and fiber.
What is the primary concern regarding the nutritional value of frozen meals?
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High levels of preservatives
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Lack of variety in ingredients
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Excessive amounts of sodium
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Insufficient protein content
C
Correct answer
Explanation
Frozen meals often contain high levels of sodium, which can be a concern for individuals with high blood pressure or those seeking a healthier diet.
What is the primary benefit of choosing frozen meals with reduced sodium content?
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Enhanced flavor and texture
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Lower calorie content
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Reduced risk of high blood pressure
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Increased fiber and nutrient content
C
Correct answer
Explanation
Choosing frozen meals with reduced sodium content helps reduce the risk of high blood pressure and promotes a healthier diet.
Which of the following is a good source of carbohydrates for athletes?
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Sports drinks
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Energy gels
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Bananas
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All of the above
D
Correct answer
Explanation
Good sources of carbohydrates for athletes include sports drinks, energy gels, and bananas.
Which of the following is a good source of carbohydrates for athletes?
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White bread
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Pasta
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Brown rice
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All of the above
D
Correct answer
Explanation
All of the above are good sources of carbohydrates for athletes. White bread and pasta are refined carbohydrates, which means that they have been stripped of their fiber and nutrients. Brown rice is a whole grain, which means that it contains more fiber and nutrients than refined carbohydrates.