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

Multiple choice

Which superfood is a rich source of beta-carotene, which is converted to vitamin A in the body and is essential for vision and immune function?

  1. Carrots

  2. Sweet potatoes

  3. Spinach

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Carrots, sweet potatoes, and spinach are all good sources of beta-carotene.

Multiple choice

Which superfood is known for its high content of quercetin, an antioxidant that has been shown to have anti-inflammatory and antiviral properties?

  1. Apples

  2. Onions

  3. Broccoli

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Apples, onions, and broccoli are all good sources of quercetin.

Multiple choice

Which superfood is a rich source of lutein and zeaxanthin, carotenoids that are essential for eye health and may reduce the risk of age-related macular degeneration?

  1. Kale

  2. Spinach

  3. Collard greens

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Kale, spinach, and collard greens are all good sources of lutein and zeaxanthin.

Multiple choice

Which superfood is known for its high content of ellagic acid, an antioxidant that has been shown to have anti-cancer and anti-inflammatory properties?

  1. Pomegranates

  2. Strawberries

  3. Raspberries

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pomegranates, strawberries, and raspberries are all good sources of ellagic acid.

Multiple choice

Which superfood is a rich source of selenium, an essential mineral that plays a role in thyroid function, immune system health, and antioxidant defense?

  1. Brazil nuts

  2. Sunflower seeds

  3. Chia seeds

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Brazil nuts are a particularly rich source of selenium.

Multiple choice

Which food items are suitable for a pre-ride meal?

  1. Oatmeal with fruit and nuts

  2. Whole-wheat toast with peanut butter and banana

  3. Scrambled eggs with vegetables

  4. Protein shake with berries and granola
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Oatmeal with fruit and nuts, as well as whole-wheat toast with peanut butter and banana, are examples of balanced pre-ride meals that provide a combination of carbohydrates, protein, and healthy fats.

Multiple choice

Which recovery drink is commonly recommended for cyclists after a ride?

  1. Chocolate milk

  2. Fruit juice

  3. Soda

  4. Water
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chocolate milk is a popular recovery drink for cyclists due to its combination of carbohydrates, protein, and electrolytes, which aid in muscle recovery and replenishment of glycogen stores.

Multiple choice

What are functional foods?

  1. Foods that provide basic nutrition but no additional health benefits.

  2. Foods that are fortified with vitamins and minerals to enhance their nutritional value.

  3. Foods that contain naturally occurring compounds that have specific health benefits beyond basic nutrition.

  4. Foods that are processed to remove unhealthy components and enhance their shelf life.
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

How do functional foods differ from dietary supplements?

  1. Functional foods are typically consumed as part of a regular diet, while dietary supplements are taken in concentrated form.

  2. Functional foods are regulated by the FDA, while dietary supplements are not.

  3. Functional foods are more expensive than dietary supplements.

  4. Functional foods are less effective than dietary supplements.
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which of the following nuts is a rich source of monounsaturated fats, protein, and antioxidants?

  1. Almonds

  2. Cashews

  3. Peanuts

  4. Walnuts
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which type of seed is commonly used as a thickener and stabilizer in food products?

  1. Chia Seeds

  2. Flax Seeds

  3. Sesame Seeds

  4. Sunflower Seeds
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which seed is a good source of omega-3 fatty acids, particularly alpha-linolenic acid (ALA)?

  1. Hemp Seeds

  2. Pumpkin Seeds

  3. Quinoa Seeds

  4. Safflower Seeds
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which seed is often used as a thickener or binder in various food applications, such as sauces, soups, and baked goods?

  1. Chia Seeds

  2. Flax Seeds

  3. Sesame Seeds

  4. Quinoa Seeds
Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which nutrient is commonly found in nuts and seeds?

  1. Protein

  2. Fiber

  3. Healthy fats

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nuts and seeds are good sources of protein, fiber, and healthy fats, which are important for overall health.

Multiple choice

What type of fish is commonly used to make fish oil supplements?

  1. Salmon

  2. Tuna

  3. Cod

  4. Mackerel
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Salmon is commonly used to make fish oil supplements because it is a rich source of omega-3 fatty acids.