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 is the primary source of calcium in a lactose-free diet?

  1. Dairy products

  2. Leafy green vegetables

  3. Nuts and seeds

  4. Fortified plant-based milks
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

In a lactose-free diet, calcium can be obtained from leafy green vegetables, nuts and seeds, fortified plant-based milks, and certain fortified foods.

Multiple choice

What is the primary treatment for lactose intolerance?

  1. Avoiding lactose-containing foods

  2. Taking lactase enzyme supplements

  3. Consuming probiotics

  4. Following a gluten-free diet
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

The primary treatment for lactose intolerance involves avoiding lactose-containing foods or taking lactase enzyme supplements before consuming lactose-containing foods to aid in digestion.

Multiple choice

Which of the following foods is typically high in calcium and low in lactose?

  1. Spinach

  2. Broccoli

  3. Kale

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

Leafy green vegetables such as spinach, broccoli, and kale are typically high in calcium and low in lactose, making them suitable options for individuals with lactose intolerance.

Multiple choice

What is a unique characteristic of lentil tacos compared to traditional meat-based tacos?

  1. They are higher in protein

  2. They have a lower glycemic index

  3. They are a good source of fiber

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

Lentil tacos are higher in protein, have a lower glycemic index, and are a good source of fiber compared to traditional meat-based tacos.

Multiple choice

What is a suitable vegetable to add to the lentil filling for increased nutritional value?

  1. Bell peppers

  2. Zucchini

  3. Spinach

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

Bell peppers, zucchini, spinach, and other vegetables can be added to the lentil filling to enhance its nutritional value and provide a variety of flavors and textures.

Multiple choice

Which of the following is NOT considered a superfood?

  1. Acai berries

  2. Kale

  3. White rice

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

White rice is not considered a superfood as it lacks the high concentration of nutrients and antioxidants found in other superfoods.

Multiple choice

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

  1. Chia seeds

  2. Quinoa

  3. Avocados

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

Chia seeds are an excellent source of omega-3 fatty acids, which are essential for heart and brain health.

Multiple choice

Which superfood is a rich source of antioxidants, including anthocyanins?

  1. Blueberries

  2. Pomegranates

  3. Acai berries

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

Blueberries, pomegranates, and acai berries are all rich sources of antioxidants, including anthocyanins, which have been linked to improved brain function and reduced risk of chronic diseases.

Multiple choice

Which superfood is known for its high content of iron?

  1. Spinach

  2. Lentils

  3. Quinoa

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

Spinach is an excellent source of iron, which is essential for red blood cell production and oxygen transport.

Multiple choice

Which superfood is a good source of prebiotics, which promote the growth of beneficial bacteria in the gut?

  1. Bananas

  2. Garlic

  3. Jerusalem artichokes

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

Jerusalem artichokes are a rich source of prebiotics, which are non-digestible carbohydrates that feed beneficial bacteria in the gut, promoting gut health.

Multiple choice

Which superfood is known for its high content of vitamin C?

  1. Oranges

  2. Grapefruit

  3. Strawberries

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

Kiwi is an excellent source of vitamin C, which is essential for immune function and collagen production.

Multiple choice

Which superfood is a good source of protein and fiber?

  1. Quinoa

  2. Oats

  3. Chia seeds

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

Quinoa is a complete protein, meaning it contains all nine essential amino acids, and is also a good source of fiber, which is important for digestive health.

Multiple choice

Which superfood is a good source of calcium and magnesium?

  1. Kale

  2. Broccoli

  3. Almonds

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

Kale is a good source of calcium and magnesium, which are essential for bone health and muscle function.

Multiple choice

Which superfood is known for its high content of antioxidants, including carotenoids?

  1. Sweet potatoes

  2. Carrots

  3. Pumpkin

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

Sweet potatoes, carrots, and pumpkin are all rich sources of antioxidants, including carotenoids, which have been linked to improved eye health and reduced risk of chronic diseases.

Multiple choice

Which superfood is a good source of potassium?

  1. Bananas

  2. Avocados

  3. Sweet potatoes

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

Bananas, avocados, and sweet potatoes are all good sources of potassium, which is essential for regulating blood pressure and maintaining fluid balance in the body.