1.  What are nutrients?

Our body needs different substances for doing different things.  These substances are called nutrients.  Different foods have different nutrients to provide energy, help to grow and help to fight disease.
 
2.  Why proteins are called body building nutrients?

Proteins are nutrients that our body needs to grow.  They are also needed to repair damaged parts of our body.  So they are called body building nutrients.
 
3.  What is energy giving nutrients?

Sugars and starches are carbohydrates and they are needed by our body to get quick energy.  So they are called energy-giving nutrients.
 
4.  What are protective foods?

Vitamins and minerals are nutrients that our body needs in very small amounts.  They help our body to work properly and fight disease.  They are therefore called protective foods.
 
5.  What is balanced diet?

Our diet must provide body with all the nutrients in proper quantities to fit and healthy.  Such a diet is called a balanced diet.
 
6.  What are preservatives?

Some substances such as sugar, salt and oil slow down the growth of germs.  They are added to food to preserve them for a long time.  They are called preservatives.
 
7.  What is canning?

The process of killing germs in food and then sealing the food in cans is called canning.
 
8.  What is drying?

The process of removing all water from food stops germs from growing is called drying.
 
9.  Water does not contain any nutrients, but still it is important for us, why?

Our body needs sufficient amount of water to stay healthy.  Water helps the body to digest food get rid of waste and use the nutrients properly.  Our blood and muscles contain water.  Our body needs about 3 liters of water every day.
 
10.  Define carbohydrates?

Sugars and starches are carbohydrates.  They are needed by our body to get quick energy.  So they are called energy-giving nutrients.  Children need lots of carbohydrates.  A carbohydrate is an organic compound that consists only of carbon, hydrogen, and oxygen.