Calculate the energy value of the following foods in kcal:
 i) One teaspoon containing 5 gram of sugar
 ii) One tablespoon containing 15 gram of mustard oil
 iii) One cup lemon water containing 150 ml water, 10 gram sugar and 2gram salt

Explain the importance of water in our body. 

 “Selection of a balanced diet is easier if foods are categorized into food groups” Justify this statement highlighting the three food groups based on the functions they perform in the body.  

Enlist the methods of preserving perishable food, giving an example for each method. Explain briefly any two methods of preservation

Comment on the nutritive value of cereals

What are artificial sweeteners? What is the role of artificial sweeteners in health and disease?  

Calculate the energy value of the following foods in kcal:
 i) One teaspoon containing 5 gram of sugar
 ii) One tablespoon containing 15 gram of mustard oil
 iii) One cup lemon water containing 150 ml water, 10 gram sugar and 2gram salt

In your house/mess/canteen observe the preparation of
a) Dal
b) Roti
c) Rice
Write the methods used in pre-preparation of food and the cooking methods for each of the three preparations.