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 a recommended method for obtaining fluoride for dental health?

  1. Using fluoride toothpaste

  2. Drinking fluoridated water

  3. Taking fluoride supplements

  4. Eating fluoride-rich foods
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Taking fluoride supplements is generally not recommended for obtaining fluoride for dental health. Fluoride is best obtained through toothpaste, fluoridated water, and fluoride-rich foods.

Multiple choice

What is the primary source of protein in a vegan diet?

  1. Meat

  2. Dairy

  3. Plant-based sources (e.g., legumes, nuts, seeds)

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

In a vegan diet, protein is primarily obtained from plant-based sources such as legumes (e.g., beans, lentils), nuts, seeds, and whole grains.

Multiple choice

Which of the following is a complete protein source for vegans?

  1. Rice and beans

  2. Peanut butter and jelly sandwich

  3. Tofu and broccoli

  4. Oatmeal with milk
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Rice and beans, when combined, form a complete protein source for vegans, providing all the essential amino acids needed by the body.

Multiple choice

What is the main source of calcium in a vegan diet?

  1. Dairy products

  2. Leafy green vegetables

  3. Fortified plant-based milk

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

Leafy green vegetables, such as kale, spinach, and collard greens, are rich sources of calcium in a vegan diet.

Multiple choice

Which of the following is a good source of iron for vegans?

  1. Red meat

  2. Spinach

  3. Lentils

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

Lentils are an excellent source of iron for vegans, providing a significant amount of this essential mineral per serving.

Multiple choice

Which of the following is a good source of omega-3 fatty acids for vegans?

  1. Salmon

  2. Flaxseeds

  3. Avocados

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

Flaxseeds are a rich source of omega-3 fatty acids, particularly alpha-linolenic acid (ALA), which can be converted into EPA and DHA in the body.

Multiple choice

Which of the following is NOT a legume?

  1. Lentils

  2. Peanuts

  3. Soybeans

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

Corn is a cereal grain, while lentils, peanuts, and soybeans are all legumes.

Multiple choice

Legumes are an excellent source of:

  1. Protein

  2. Fiber

  3. Iron

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

Legumes are a rich source of protein, fiber, and iron, making them a nutritious addition to any diet.

Multiple choice

Pulses are a subset of legumes that are typically:

  1. Dried

  2. Edible seeds

  3. High in protein

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

Pulses are dried, edible seeds of leguminous plants that are high in protein.

Multiple choice

Legumes and pulses are an important part of a sustainable diet because they:

  1. Require less water than other crops

  2. Fix nitrogen in the soil

  3. Are a good source of plant-based protein

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

Legumes and pulses require less water than other crops, fix nitrogen in the soil, and are a good source of plant-based protein, making them a sustainable dietary choice.

Multiple choice

Legumes and pulses are a good source of:

  1. B vitamins

  2. Potassium

  3. Magnesium

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

Legumes and pulses are a good source of B vitamins, potassium, and magnesium.

Multiple choice

Legumes and pulses are a good source of:

  1. Antioxidants

  2. Phytonutrients

  3. Fiber

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

Legumes and pulses are a good source of antioxidants, phytonutrients, and fiber.

Multiple choice

Legumes and pulses are a good source of:

  1. Iron

  2. Zinc

  3. Calcium

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

Legumes and pulses are a good source of iron.

Multiple choice

Legumes and pulses are a good source of:

  1. Protein

  2. Fiber

  3. Iron

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

Legumes and pulses are a good source of protein, fiber, and iron.

Multiple choice

Which of these superfoods is known for its high antioxidant content and ability to combat free radical damage?

  1. Acai Berries

  2. Goji Berries

  3. Blueberries

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

Acai berries are renowned for their exceptional antioxidant profile, boasting a concentration of anthocyanins and other potent compounds that neutralize free radicals and protect cells from oxidative stress.