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 superfood is a rich source of omega-3 fatty acids, essential for heart health and cognitive function?

  1. Chia Seeds

  2. Flax Seeds

  3. Hemp Seeds

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

Chia seeds are a plant-based powerhouse of omega-3 fatty acids, particularly alpha-linolenic acid (ALA), which the body converts into EPA and DHA, vital for heart and brain health.

Multiple choice

What superfood is a natural prebiotic, promoting gut health and supporting a balanced microbiome?

  1. Jerusalem Artichoke

  2. Garlic

  3. Asparagus

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

Jerusalem artichoke, also known as sunchoke, is a rich source of inulin, a prebiotic fiber that nourishes beneficial gut bacteria, contributing to a healthy digestive system.

Multiple choice

Which superfood is known for its high protein content and is a popular choice among vegans and vegetarians?

  1. Quinoa

  2. Lentils

  3. Edamame

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

Quinoa, an ancient grain, stands out for its complete protein profile, containing all nine essential amino acids, making it a valuable plant-based protein source.

Multiple choice

What superfood is a potent source of antioxidants, including flavonoids and carotenoids, contributing to eye health and overall well-being?

  1. Kale

  2. Spinach

  3. Broccoli

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

Kale, a leafy green vegetable, is packed with antioxidants, particularly lutein and zeaxanthin, which are essential for maintaining healthy vision and protecting against age-related macular degeneration.

Multiple choice

Which superfood is renowned for its adaptogenic properties, helping the body manage stress and maintain balance?

  1. Ashwagandha

  2. Rhodiola Rosea

  3. Maca Root

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

Ashwagandha, an ancient Ayurvedic herb, is known for its adaptogenic qualities, supporting the body's ability to adapt to physical and mental stressors, promoting resilience and overall well-being.

Multiple choice

What superfood is a rich source of iron, essential for red blood cell production and oxygen transport throughout the body?

  1. Beets

  2. Spinach

  3. Lentils

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

Blackstrap molasses, a byproduct of sugarcane processing, is an excellent source of iron, providing a concentrated amount of this essential mineral, which is crucial for healthy blood formation and oxygenation.

Multiple choice

Which superfood is celebrated for its high fiber content, promoting digestive regularity and supporting a healthy gut microbiome?

  1. Chia Seeds

  2. Flax Seeds

  3. Oats

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

Psyllium husk, derived from the Plantago ovata plant, is renowned for its exceptional fiber content, aiding in digestive regularity, promoting satiety, and supporting a balanced gut ecosystem.

Multiple choice

What superfood is a natural source of electrolytes, essential for maintaining hydration, electrolyte balance, and optimal cellular function?

  1. Coconut Water

  2. Himalayan Pink Salt

  3. Celery

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

Coconut water, the clear liquid found inside coconuts, is rich in electrolytes, including potassium, sodium, and magnesium, which play crucial roles in hydration, nerve function, and muscle contraction.

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.