friction class 8

 










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improvement in food resourse

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  Improvement in Food Resources All living organisms need food because: ·          It provides carbohydrates, fats vitamins and minerals ·          It allows development of the organisms ·          It is needed to gain energy for everyday tasks   Main sources of food: ·          Plants  – obtained from agriculture ·          Animals  – obtained from animal husbandry   The efficiency of crops and livestock is required in India because : ·          The population of India is growing at a faster rate hence more amount of food is required to meet the rising demand. ·          The agricultural land is limited as compared to the growing population.   Efforts made to meet the increase in food demands 1.     G ree n r e volu t ion: f or in c r e a se in food g ra in prod u c t i on. Fa ther o f g re e n r e volu t ion –1965-700 Fa ther o f g re e n r e volu t ion i n I ndia – M r. M.S. S w a m i n a than 2.   B lue r e volu t ion: f or inc r e a se
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