Category : 6th Class
Food is a substance eaten by the living organisms in order to remain alive. Fruits, vegetables, eggs, meat and milk etc. are the example of food.
What are the functions of food?
The functions of food are:
It provides energy and enables us to do work
It keeps us fit and healthy
It protects us from the diseases
It gives us strength
It helps our body to grow
Sources of Food
Plants and animals are two prime sources of our food.
Foods like cereals, pulses, fruits, vegetables etc. are obtained from the plants.
Plant parts as food: Different types of plants store their food in different parts such as roots, leaves, stem etc. So the part, in which food is stored , is used by us as food. Let us know about this in some detail.
Roots as food: Some plants store food in their roots. Therefore roots of such plants are used as food. For example, carrot, beet, radish, sweet potato etc.
Stems as food: Some plants store food in their stems. Therefore stems of such plants are used as food. For example, turmeric, garlic, ginger, potato, onion etc.
Leaves as food: Some plants store food in their leaves. Therefore their leaves are used as food. For example, cabbage, lettuce, spinach etc.
Fruits as food: Some plants store food in their fruits. For example, apple, orange, mango etc.
Flowers as food: Flowers of some plants are also used as food. For example, jasmine, sunflower, dandelion etc.
Seeds as food: Some plants store their food in their seeds. So seeds of such plants are used as food. For example, wheat, rice, pulses, peas etc.
Food like meat, milk, eggs, honey etc. are obtained from animals.
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