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 of the following is NOT considered a functional food?

  1. Oatmeal

  2. Kale

  3. White bread

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

White bread is a refined grain product that lacks the beneficial nutrients and health-promoting compounds found in functional foods like oatmeal, kale, and blueberries.

Multiple choice

What is the primary role of dietary fiber in functional foods?

  1. Providing energy

  2. Promoting satiety

  3. Aiding in digestion

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

Dietary fiber, a key component of many functional foods, plays multiple roles in promoting health, including providing energy, promoting satiety, and aiding in digestion.

Multiple choice

Which functional food is known for its high content of omega-3 fatty acids?

  1. Salmon

  2. Avocados

  3. Walnuts

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

Salmon is a rich source of omega-3 fatty acids, which are essential for heart health and brain function.

Multiple choice

What is the primary antioxidant found in green tea, known for its potential health benefits?

  1. Catechins

  2. Quercetin

  3. Resveratrol

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

Green tea contains high levels of catechins, a type of antioxidant associated with various health benefits, including reducing inflammation and improving heart health.

Multiple choice

Which functional food is a good source of probiotics, beneficial bacteria that support gut health?

  1. Yogurt

  2. Kombucha

  3. Sauerkraut

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

Yogurt, kombucha, and sauerkraut are all fermented foods that contain probiotics, live microorganisms that provide health benefits to the gut and overall well-being.

Multiple choice

Which functional food is known for its high content of anthocyanins, antioxidants that contribute to its vibrant color?

  1. Blueberries

  2. Strawberries

  3. Raspberries

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

Blueberries, strawberries, and raspberries are all rich in anthocyanins, antioxidants that provide various health benefits, including reducing inflammation and improving cognitive function.

Multiple choice

Which functional food is a good source of resveratrol, an antioxidant found in red wine?

  1. Grapes

  2. Dark chocolate

  3. Pomegranates

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

Grapes, dark chocolate, and pomegranates are all good sources of resveratrol, an antioxidant associated with various health benefits, including reducing inflammation and improving heart health.

Multiple choice

Which functional food is known for its high content of quercetin, an antioxidant with anti-inflammatory 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, an antioxidant with anti-inflammatory properties that may support overall health and well-being.

Multiple choice

What is the primary role of omega-3 fatty acids in functional foods?

  1. Providing energy

  2. Promoting brain health

  3. Supporting heart health

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

Omega-3 fatty acids play a crucial role in various aspects of health, including providing energy, promoting brain health, and supporting heart health.

Multiple choice

Which functional food is a good source of lutein and zeaxanthin, carotenoids important for eye health?

  1. Kale

  2. Spinach

  3. Carrots

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

Kale, spinach, and carrots are all good sources of lutein and zeaxanthin, carotenoids that play a vital role in maintaining eye health and protecting against age-related macular degeneration.

Multiple choice

Which of the following foods is NOT recommended during the fasting period?

  1. Water

  2. Unsweetened coffee or tea

  3. Fruit juice

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

Fruit juice contains sugar, which can break the fast.

Multiple choice

Which of the following nutrients is essential to include in meals during the eating window?

  1. Protein

  2. Carbohydrates

  3. Fats

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

A balanced meal should include a combination of protein, carbohydrates, and fats.

Multiple choice

What is the key to creating satisfying meals during the eating window?

  1. Choosing nutrient-dense foods

  2. Eating slowly and mindfully

  3. Avoiding processed foods

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

All of these factors contribute to creating satisfying meals during the eating window.

Multiple choice

Which of the following foods is a good source of protein for intermittent fasting?

  1. Chicken breast

  2. Salmon

  3. Eggs

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

Chicken breast, salmon, and eggs are all excellent sources of protein.

Multiple choice

What is a good way to add healthy fats to meals during the eating window?

  1. Using olive oil or avocado oil for cooking

  2. Adding nuts and seeds to salads and yogurt

  3. Eating fatty fish like salmon or mackerel

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

All of these methods are great ways to add healthy fats to meals.