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FOOD RESOURCES. |
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Answer» Food is an essential requirement for survival of life. Main components are carbohydrates, fats, proteins, minerals and vitamins TYPES OF FOOD SUPPLY 1. Crop plants: Grains mostly constitute about 76% of the world’s food. Ex: Rice, Wheat and Maize 2. Range lands: Produces 17% of world’s food from trees and grazing animals. Ex: Fruits, milk and meat 3. Ocean: Fisheries – 7% of world’s food WORLD FOOD PROBLEM 1. In the earth’s surface, 79% is water out of total area. 21% land (forest, desert, mountain and barren land) . Less % cultivated land, at the same time population explosion is high therefore world food problem arises. 2. Environmental degradation like soil erosion, water logging, water pollution, salinity affects agricultural land. 3. Urbanization affects agricultural land. Hence production of rice, wheat, corn and other vegetable is difficult. |
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