Biology · 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

Directions: Read the passage given below and answer the question that follows.

Fruit has been recognized as a good source of vitamins and minerals; and for their role in preventing vitamin C and vitamin A deficiencies. People who eat fruit as a part of their daily diet generally have a reduced risk of chronic diseases. Fruit are important source of many nutrients, including potassium, fiber and vitamin C. Eating Fruit Provides Health Benefits The nutrients in fruit are vital for health and maintenance of our body. The potassium in fruit can reduce the risk of heart disease and stroke. Potassium may also reduce the risk of developing kidney stones and help to decrease bone loss as you age. Folate (folic acid) helps the body to form red blood cells.

How are fruit nutrients beneficial for us?

  1. For Maintenance of body

  2. Prevents development of kidney stones

  3. Reduces the risk of heart disease

  4. All of these

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nutrients in fruit are vital for health and maintenance of our body. The potassium in fruit can reduce the risk of heart disease and stroke. Potassium may also reduce the risk of developing kidney stones.

Multiple choice

If ghee is exposed to high clarification temperature, it will lead to

  1. reduced vitamin A

  2. dark colour

  3. good keeping quality

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

Exposing ghee to high clarification temperatures causes multiple negative effects: vitamin A is heat-sensitive and degrades, the color darkens due to Maillard reactions and caramelization, and keeping quality is reduced due to formation of oxidation products. Therefore all the listed effects occur.

Multiple choice

A balanced diet contains _______________________.

  1. all the major nutrients

  2. carbohydrates, fats and proteins

  3. all the major nutrients and dietary fibres

  4. all the major nutrients and water

  5. all the major nutrients, water and dietary fibres
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

It is correct. A balanced diet contains all the major nutrients, that our body needs, in the right proportion. It also contains water and dietary fibres (roughage) in adequate amount.

Multiple choice

__________ is called a complete diet.

  1. Meat

  2. Rice

  3. Wheat

  4. Milk

  5. Mango
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It is the correct answer. Milk not only contains proteins, fats, carbohydrates, but also vitamins A, B, D and minerals like calcium, phosphorus. So, it is a complete diet.

Multiple choice

Which of the following statements about food allergy is correct?

  1. In children, it is often due to cow's milk.

  2. Food allergy can be diagnosed by skin prick testing.

  3. Migraine is a common presenting feature.

  4. Food allergy is a common cause of irritable bowel syndrome.

  5. Most children will ‘grow out’ of nut allergy by the age of 11 years.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cow's milk is a common cause of food allergy in infants. Many affected children are able to tolerate dairy products later in life.

Multiple choice

Soyabean is one of the richest sources of

  1. proteins

  2. vitamins

  3. minerals

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

Soyabean is exceptionally rich in protein (~40% by weight), containing all essential amino acids, making it a complete protein source. This is why it's called the 'meat of the field' or 'poor man's meat'. While soy contains vitamins and minerals, its protein content is what distinguishes it from other plant sources.

Multiple choice

Soyabean is one of the richest sources of

  1. proteins

  2. vitamins

  3. minerals

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

Soybean is indeed one of the richest plant sources of protein, containing about 36-40% protein by weight. It's a complete protein source with all essential amino acids, making it valuable for vegetarian diets.