Biology · 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
  1. liver and liver products, such as pâté

  2. Unpasteurised cheese

  3. Cooked meat

  4. Shark, swordfish and marlin

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cooked meat is safe to consume during pregnancy as long as it is prepared thoroughly to eliminate harmful bacteria. In contrast, liver contains high levels of vitamin A which can be harmful, unpasteurised cheese carries a risk of listeria, and large fish like shark contain high levels of mercury.

Multiple choice
  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

According to standard nutritional guidelines, carbohydrates should make up 45% to 65% of your daily caloric intake. This range represents the largest proportion of macronutrients in a balanced diet.

Multiple choice
  1. Pasta

  2. Orange Juice

  3. Steak

  4. Carrots

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Pasta is a grain-based food that is highly rich in complex carbohydrates (starch). While foods like carrots and orange juice contain some carbohydrates, pasta is primarily consumed as a major carbohydrate source.

Multiple choice
  1. Micronutrients

  2. Macronutrients

  3. None

  4. Not food

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbohydrates are classified as macronutrients because the body requires them in relatively large amounts to provide energy. Micronutrients, such as vitamins and minerals, are needed in much smaller quantities.

Multiple choice
  1. Avoiding low-fat dairy products

  2. Skipping breakfast

  3. Eating refried grains

  4. Packing nutrient-rich lunches from home

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Packing nutrient-rich lunches from home allows you to control ingredients and ensure you get balanced nutrition. Skipping breakfast, eating refined grains, and avoiding healthy low-fat dairy options are generally not recommended as healthy habits.

Multiple choice
  1. Muscular strength

  2. Energy

  3. Protection against disease

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cereals, potatoes, and bread are rich in carbohydrates, which are the body's primary and most efficient source of energy. When consumed, these foods are broken down into glucose, which fuels cellular functions and physical activities.

Multiple choice
  1. True

  2. False

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A balanced diet must contain a wide variety of nutrient-dense foods from all major food groups, including fruits, vegetables, whole grains, proteins, and healthy fats. Biscuits and processed snacks are typically high in refined sugars, unhealthy fats, and sodium, and lack essential nutrients, making them unsuitable as the foundation of a balanced diet.

Multiple choice
  1. Fats, carbohydrates, proteins, vitamin and mineral

  2. All nutrients and water

  3. All nutrients, water and roughage

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A balanced diet is defined as one that provides all the essential nutrients (carbohydrates, proteins, fats, vitamins, and minerals) along with adequate amounts of water and dietary fiber (roughage). Roughage is crucial for healthy digestion and preventing constipation, while water is vital for all metabolic processes.

Multiple choice
  1. Milk

  2. Eggs

  3. Fruit and vegetables

  4. Red meat

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Scientific evidence strongly suggests that a diet rich in fruits and vegetables can lower the risk of developing several types of cancer due to their high content of vitamins, minerals, fiber, and phytochemicals. Red meat is actually associated with an increased risk of certain cancers, while milk and eggs do not have the same broad protective association.

Multiple choice
  1. Oily fish

  2. Read meat

  3. Peas, beans and lentils

  4. Sunflower oil

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Soluble fiber is found in plant foods like peas, beans, lentils, oats, and fruits, which dissolve in water to form a gel-like material. Animal products like fish and red meat, as well as oils, do not contain dietary fiber.