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

Which of the following is a good source of fiber?

  1. White bread

  2. Brown rice

  3. Pasta

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

Oatmeal is a good source of fiber, which is important for digestive health and can help lower cholesterol levels.

Multiple choice

Which of the following is a good source of iron?

  1. Red meat

  2. Poultry

  3. Fish

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

Red meat is a good source of iron, which is essential for carrying oxygen throughout the body.

Multiple choice

Which of the following is a good source of potassium?

  1. Bananas

  2. Potatoes

  3. Sweet potatoes

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

Bananas, potatoes, and sweet potatoes are all good sources of potassium, which is important for regulating blood pressure and muscle function.

Multiple choice

What is the primary antioxidant found in cranberry juice?

  1. Anthocyanins

  2. Carotenoids

  3. Flavonoids

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

Cranberry juice is known for its high concentration of anthocyanins, powerful antioxidants that have been linked to various health benefits, including improved heart health and reduced inflammation.

Multiple choice

Which fruit juice is a good source of potassium?

  1. Banana

  2. Mango

  3. Watermelon

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

Grapefruit juice is a rich source of potassium, an essential mineral that plays a crucial role in maintaining healthy blood pressure and muscle function.

Multiple choice

What is the main carotenoid found in carrot juice?

  1. Beta-carotene

  2. Lutein

  3. Zeaxanthin

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

Carrot juice is an excellent source of beta-carotene, a carotenoid that is converted into vitamin A in the body, supporting vision and immune function.

Multiple choice

What is the main antioxidant found in blueberry juice?

  1. Anthocyanins

  2. Resveratrol

  3. Quercetin

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

Blueberry juice is known for its high concentration of anthocyanins, powerful antioxidants that have been linked to improved brain function and reduced risk of chronic diseases.

Multiple choice

Which fruit juice is a good source of folate?

  1. Orange

  2. Grapefruit

  3. Pineapple

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

Orange juice is a rich source of folate, a B vitamin that is essential for cell growth and DNA synthesis.

Multiple choice

What is the primary carotenoid found in mango juice?

  1. Beta-carotene

  2. Lutein

  3. Zeaxanthin

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

Mango juice contains a significant amount of beta-carotene, a carotenoid that is converted into vitamin A in the body, supporting vision and immune function.

Multiple choice

What is the main polyphenol found in grape juice?

  1. Resveratrol

  2. Anthocyanins

  3. Quercetin

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

Grape juice contains a significant amount of resveratrol, a polyphenol with antioxidant and anti-inflammatory properties that have been linked to various health benefits, including reduced risk of heart disease and cancer.

Multiple choice

Which fruit juice is a good source of fiber?

  1. Apple

  2. Pear

  3. Pineapple

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

Apple juice contains a significant amount of fiber, which supports digestive health and helps maintain a feeling of fullness.

Multiple choice

What is the primary carotenoid found in watermelon juice?

  1. Beta-carotene

  2. Lutein

  3. Zeaxanthin

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

Watermelon juice contains a significant amount of lycopene, a carotenoid with antioxidant properties that have been linked to reduced risk of certain types of cancer, particularly prostate cancer.

Multiple choice

Which fruit juice is a good source of magnesium?

  1. Banana

  2. Orange

  3. Grapefruit

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

Banana juice is a rich source of magnesium, a mineral that plays a crucial role in energy production, muscle function, and nerve transmission.

Multiple choice

Which of the following sandwich ingredients is known for its positive environmental impact?

  1. Spinach

  2. Bacon

  3. Cheese

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

Spinach is a leafy green vegetable with a low carbon footprint and high nutritional value. It requires less water and land to grow compared to other sandwich ingredients.

Multiple choice

Which of the following sandwich ingredients is known for its positive environmental impact?

  1. Butter

  2. Avocado

  3. Tomatoes

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

Cucumbers have a low carbon footprint and require less water and land to grow compared to other sandwich ingredients. They also have a high water content, making them a refreshing and hydrating addition to sandwiches.