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

What are functional foods?

  1. Foods that provide essential nutrients and energy.

  2. Foods that contain bioactive compounds that offer health benefits beyond basic nutrition.

  3. Foods that are fortified with additional nutrients.

  4. Foods that are low in calories and fat.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Functional foods are those that provide health benefits beyond basic nutrition due to the presence of bioactive compounds, such as antioxidants, phytochemicals, and probiotics.

Multiple choice

Which of the following is NOT a type of bioactive compound found in functional foods?

  1. Antioxidants

  2. Phytochemicals

  3. Probiotics

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

Carbohydrates are not bioactive compounds, but rather a macronutrient that provides energy to the body.

Multiple choice

How can functional foods be incorporated into a healthy diet?

  1. By consuming a variety of fruits, vegetables, and whole grains.

  2. By taking supplements.

  3. By avoiding processed foods.

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

To incorporate functional foods into a healthy diet, it is important to consume a variety of fruits, vegetables, and whole grains, avoid processed foods, and consider taking supplements if necessary.

Multiple choice

What is the term used to describe the synergistic effects of multiple bioactive compounds in functional foods?

  1. Entourage effect

  2. Additive effect

  3. Antagonistic effect

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

The term 'entourage effect' is used to describe the synergistic effects of multiple bioactive compounds in functional foods, where the combined effect is greater than the sum of the individual effects.

Multiple choice

Which of the following is an example of a functional food that has been shown to reduce the risk of heart disease?

  1. Oatmeal

  2. Dark chocolate

  3. Green tea

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

Oatmeal, dark chocolate, and green tea are all examples of functional foods that have been shown to reduce the risk of heart disease due to the presence of bioactive compounds such as beta-glucan, flavonoids, and catechins.

Multiple choice

Which of the following is an example of a functional food that has been shown to improve cognitive function?

  1. Blueberries

  2. Walnuts

  3. Salmon

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

Blueberries, walnuts, and salmon are all examples of functional foods that have been shown to improve cognitive function due to the presence of bioactive compounds such as anthocyanins, omega-3 fatty acids, and vitamin E.

Multiple choice

What was the primary source of protein for many early human societies?

  1. Grains

  2. Fruits

  3. Vegetables

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

Early humans relied heavily on hunting and gathering for sustenance, with meat providing a valuable source of protein and essential nutrients.

Multiple choice

What was the primary source of protein for many coastal civilizations in ancient times?

  1. Meat

  2. Poultry

  3. Fish

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

Fish was a primary source of protein for many coastal civilizations due to its abundance and nutritional value.

Multiple choice

What percentage of the world's population relies on fish as their primary source of protein?

  1. 10%

  2. 20%

  3. 30%

  4. 40%
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Approximately 20% of the world's population relies on fish as their primary source of protein, highlighting the crucial role of marine ecosystems in global food security.

Multiple choice

Which of the following is NOT a common type of sports supplement?

  1. Protein powder

  2. Creatine

  3. Fish oil

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

Antioxidants are not typically considered sports supplements, although they may be beneficial for overall health and well-being.

Multiple choice

Which type of dietary fiber is non-digestible and promotes the growth of beneficial bacteria in the gut?

  1. Soluble Fiber

  2. Insoluble Fiber

  3. Resistant Starch

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

Prebiotics are non-digestible dietary fibers that selectively stimulate the growth and activity of beneficial bacteria in the gut, promoting a healthy microbiome.

Multiple choice

Which of the following is a healthy eating habit?

  1. Eating plenty of fruits and vegetables

  2. Limiting processed foods

  3. Choosing lean protein sources

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

All of the above are healthy eating habits.

Multiple choice

Which type of honey is often used as a natural energy booster and endurance enhancer?

  1. Clover Honey

  2. Manuka Honey

  3. Buckwheat Honey

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

Wildflower honey, a blend of nectar from various wildflowers, is often used by athletes and outdoor enthusiasts as a natural energy booster and endurance enhancer.

Multiple choice

What is the nutritional value of popcorn?

  1. High in calories and fat

  2. Low in calories and fat

  3. High in protein and fiber

  4. Low in protein and fiber
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Popcorn is a low-calorie, low-fat snack. A 1-cup serving of air-popped popcorn contains only about 30 calories and 1 gram of fat.

Multiple choice

What are some healthy toppings for popcorn?

  1. Butter

  2. Salt

  3. Sugar

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

Nutritional yeast is a healthy topping for popcorn because it is a good source of protein, B vitamins, and iron. It also has a cheesy flavor that can help to satisfy cravings for unhealthy snacks.