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

What superfood is a rich source of antioxidants, including polyphenols and flavonoids, contributing to cardiovascular health and overall well-being?

  1. Dark Chocolate

  2. Green Tea

  3. Pomegranates

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

Dark chocolate, with a cocoa content of 70% or higher, is a potent source of antioxidants, particularly flavonoids, which have been associated with improved cardiovascular health, reduced inflammation, and cognitive benefits.

Multiple choice

Which superfood is celebrated for its high protein and fiber content, making it a popular choice among athletes and fitness enthusiasts?

  1. Quinoa

  2. Chia Seeds

  3. Hemp Seeds

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

Quinoa, a gluten-free grain, is known for its high protein and fiber content, providing a balanced amino acid profile and supporting digestive health. It is often incorporated into fitness and sports nutrition regimens.

Multiple choice

What superfood is a natural source of probiotics, beneficial bacteria that support gut health, digestion, and immune function?

  1. Yogurt

  2. Kefir

  3. Kombucha

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

Yogurt, made from fermented milk, is a rich source of probiotics, live bacteria that contribute to a healthy gut microbiome, supporting digestion, nutrient absorption, and immune function.

Multiple choice

Which superfood is known for its high vitamin C content, essential for immune function, collagen production, and antioxidant protection?

  1. Oranges

  2. Grapefruit

  3. Strawberries

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

Acerola cherries, also known as Barbados cherries, are exceptionally rich in vitamin C, providing significantly higher levels compared to other citrus fruits, supporting immune health, collagen synthesis, and antioxidant defense.

Multiple choice

Which of the following is a complete protein?

  1. Beans

  2. Eggs

  3. Rice

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

A complete protein contains all nine essential amino acids that the body cannot produce on its own. Eggs are a good source of complete protein, along with other animal products such as meat, fish, and poultry.

Multiple choice

Which of the following foods is a good source of probiotics?

  1. Yogurt

  2. Cheese

  3. Milk

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

Yogurt is a fermented dairy product that contains live probiotics, which are beneficial bacteria that can help to improve gut health. Probiotics can help to improve digestion, boost the immune system, and reduce the risk of certain diseases.

Multiple choice

What is the term for the avoidance of certain foods or food groups for ethical, religious, or health reasons?

  1. Veganism

  2. Vegetarianism

  3. Pescetarianism

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

Veganism is the term for the avoidance of all animal products, including meat, dairy, eggs, and honey. Vegetarians avoid meat, but may consume dairy and eggs. Pescetarians avoid meat and poultry, but may consume fish and seafood. Flexitarianism is a term for people who primarily follow a vegetarian or vegan diet, but occasionally consume animal products.

Multiple choice

Which of the following is a complete protein?

  1. Beans

  2. Rice

  3. Eggs

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

Complete proteins are proteins that contain all of the essential amino acids that the body cannot produce on its own. Eggs are a complete protein and are a good source of protein for vegetarians and vegans.

Multiple choice

Which of the following is a good source of calcium?

  1. Oranges

  2. Spinach

  3. Milk

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

Milk is a good source of calcium, which is essential for bone health. It is also a good source of protein and vitamin D, which are also important for bone health.

Multiple choice

Which of the following is a good source of iron?

  1. Chicken

  2. Fish

  3. Beans

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

Beans are a good source of iron, which is essential for red blood cell production. They are also a good source of protein and fiber.

Multiple choice

Which of the following is a good source of potassium?

  1. Bananas

  2. Apples

  3. Grapes

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

Bananas are a good source of potassium, which is an essential mineral that helps to regulate blood pressure and muscle function.

Multiple choice

Which of the following is a good source of zinc?

  1. Oysters

  2. Beef

  3. Chicken

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

Oysters are a good source of zinc, which is an essential mineral that is involved in a variety of bodily functions, including immune function and wound healing.

Multiple choice

Which of the following is NOT considered a superfood?

  1. Acai berries

  2. Kale

  3. White bread

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

White bread is not typically considered a superfood due to its low nutritional value and high glycemic index.

Multiple choice

Which superfood is known for its high content of antioxidants and anti-inflammatory properties?

  1. Turmeric

  2. Blueberries

  3. Chia seeds

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

Turmeric, blueberries, and chia seeds are all known for their antioxidant and anti-inflammatory properties.

Multiple choice

Which superfood is a rich source of omega-3 fatty acids, which are essential for heart health?

  1. Salmon

  2. Avocados

  3. Walnuts

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

Salmon, avocados, and walnuts are all good sources of omega-3 fatty acids.