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

Multiple choice

Which functional food is a rich source of fiber, helping to regulate digestion and promote gut health?

  1. Oats

  2. Avocados

  3. Dark chocolate

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

Oats are a functional food known for their high fiber content, which supports digestive health and promotes a healthy gut microbiome.

Multiple choice

Which functional food is known for its high content of omega-3 fatty acids, supporting heart and brain health?

  1. Olive oil

  2. Flaxseeds

  3. Chicken breast

  4. White rice
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Flaxseeds are a functional food rich in omega-3 fatty acids, particularly alpha-linolenic acid (ALA), which has been linked to improved heart and brain health.

Multiple choice

Which functional food is known for its potential to reduce the risk of certain types of cancer?

  1. Garlic

  2. Blueberries

  3. Potatoes

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

Garlic is a functional food that contains compounds like allicin, which have been studied for their potential role in reducing the risk of certain types of cancer.

Multiple choice

Which functional food is a good source of polyphenols, known for their antioxidant and anti-inflammatory properties?

  1. Dark chocolate

  2. White bread

  3. Soda

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

Dark chocolate, particularly with a high cocoa content, is a functional food rich in polyphenols, which have antioxidant and anti-inflammatory properties.

Multiple choice

How can functional foods contribute to a balanced and nutritious diet?

  1. They provide a wide range of essential nutrients.

  2. They help manage weight and maintain a healthy body composition.

  3. They support optimal cognitive function and mental well-being.

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

Functional foods can contribute to a balanced and nutritious diet by providing a wide range of essential nutrients, helping manage weight and maintain a healthy body composition, and supporting optimal cognitive function and mental well-being.

Multiple choice

Which functional food is known for its high content of beta-glucan, a soluble fiber with potential health benefits?

  1. Oats

  2. Avocados

  3. Dark chocolate

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

Oats are a functional food rich in beta-glucan, a soluble fiber that has been associated with various health benefits, including improved cholesterol levels and reduced risk of heart disease.

Multiple choice

What is a potential health concern associated with the high sodium content in frozen meals?

  1. Improved bone density

  2. Reduced risk of osteoporosis

  3. Increased risk of kidney stones

  4. Enhanced muscle recovery
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

High sodium intake has been linked to an increased risk of developing kidney stones.

Multiple choice

How can the high sodium content in frozen meals impact individuals with certain dietary restrictions?

  1. Suitable for low-sodium diets

  2. May not be appropriate for individuals with hypertension

  3. Ideal for weight loss and maintenance

  4. Provides essential electrolytes for athletes
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Individuals with hypertension or high blood pressure should be cautious about consuming frozen meals due to their high sodium content, which can exacerbate their condition.

Multiple choice

What is the primary source of protein in a vegan diet?

  1. Meat

  2. Dairy

  3. Plant-based sources (e.g., legumes, nuts, seeds)

  4. Eggs
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In a vegan diet, protein is primarily obtained from plant-based sources such as legumes (e.g., beans, lentils), nuts, seeds, and whole grains.

Multiple choice

Which of the following is a complete protein source for vegans?

  1. Rice and beans

  2. Peanut butter and jelly sandwich

  3. Tofu and broccoli

  4. Oatmeal with milk
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Rice and beans, when combined, form a complete protein source for vegans, providing all the essential amino acids needed by the body.

Multiple choice

What is the main source of calcium in a vegan diet?

  1. Dairy products

  2. Leafy green vegetables

  3. Fortified plant-based milk

  4. Eggs
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Leafy green vegetables, such as kale, spinach, and collard greens, are rich sources of calcium in a vegan diet.

Multiple choice

Which of the following is a good source of iron for vegans?

  1. Red meat

  2. Spinach

  3. Lentils

  4. Chicken
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lentils are an excellent source of iron for vegans, providing a significant amount of this essential mineral per serving.

Multiple choice

Which of the following is a good source of omega-3 fatty acids for vegans?

  1. Salmon

  2. Flaxseeds

  3. Avocados

  4. Eggs
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Flaxseeds are a rich source of omega-3 fatty acids, particularly alpha-linolenic acid (ALA), which can be converted into EPA and DHA in the body.

Multiple choice

Which of the following is NOT a legume?

  1. Lentils

  2. Peanuts

  3. Soybeans

  4. Corn
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Corn is a cereal grain, while lentils, peanuts, and soybeans are all legumes.

Multiple choice

Legumes are an excellent source of:

  1. Protein

  2. Fiber

  3. Iron

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

Legumes are a rich source of protein, fiber, and iron, making them a nutritious addition to any diet.