Category : 2nd Class
Food
All living beings need food. Food gives energy to do various works. We take different food items in our meal. For example, vegetables, fruits, meat, pulses, egg, milk, cereals etc.
Sources of Food
Some animals are useful to us as they provide many of our food items. A table given below shows some food items and their source.
(i) Plants
(ii) Animals
Food item obtained from plants |
Food item obtained from animals
|
Vegetables |
Milk |
Fruits |
Meat |
Cereals |
Egg |
Pulses |
Honey |
Oils |
|
Spices |
|
Importance of Food
Food is needed by all living organisms for four main purposes:
(i) It helps human beings, animals as well as plants to grow.
(ii) It provides energy. We need energy for our all body movements such as running, walking and speaking, etc.
(iii) It is required by living organisms for replacement and repair of damaged parts.
(iv) It protects us from diseases and infections.
Classification of Food Items According to Their Use
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