4. Food is the chief essential materials which the body
need for its well being.
These essential materials are called nutrients.
Good food is indespensable for health at all stages of life
and for satisfactory growth during
infancy,childhood,adolescence and adulthood.
INTRODUCTION
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5. CONTENTS
● SOURCE OF FOOD
● FOOD PROBLEMS
● BALANCED DIET
● CHANGES CAUSED BY AGRICULTURE
● CHANGES CAUSED BY OVERGRAZING
● EFFECTS OF MODERN AGRICULTURE
● FOOD PROBLEMS IN INDIA
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7. CROPS
● Potatoes,barley,oats- mountaneous region
● cassava, sweet potatoes and other roots
and
tubers - Amazonia,Africa and South Pacific
● Drought resistent sorghum and millet -
Africa
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12. ACQUACULTURE
● The production of food from acquatic habitats -
marine and fresh water
● provides only a small amount of the world’s food
at present
● source of protein for many countries especially in
Asia and Europe
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15. UNDERNOURISHMENT
● Lack of sufficient calories in available food
● Average calorie intake over the world is 2,500
calorie per day
● lack of energy and nutrients makes them more
succeptible to infectious diseases
● poor diet and poverty
● stunted growth, mental retardation
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19. OVERNUTRITION
● Form of malnutrition in which the intake of
nutrients is oversupplied
● The amount of nutrients exceeds the amount
required for normal growth, development, and
metabolism.
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22. CAUSE OF FOOD SHORTAGE OF INDIA
● POPULATION GROWTH
● LOW PRODUCTIVITY
● VIGOUROUS FARMING
● NATURAL CALAMITIES
● LESS SUPPORT FROM DEVELOPED COUNTRIES
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23. OTHER CAUSES……...
● Want of improved methods of cultivation through
science and technology.
● Poverty and ignorance of Indian formers.
● Tillers are not in feasts and picnics.
● Wastage of food in feasts and picnics.
● Wastage of food in wrong process of cooking.
● Wastage of food for ignorance of preserving
method.
● Want of cold storage facility.
● Defective food habit.
● Dishonesty of dealers.
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25. How to solve the food problem of India?
● Introduction of improved method of cultivation based on
science and technology.
● Improvement of financial and educational status of the
Indian cultivators.
● Attracting educated people to the profession of
cultivation.
● Provision of water-pipes, electricity, insecticides,
fertilizer and research work for agriculture.
● Mechanization of agriculture.
● Equitable land-reform.
● To refrain from holding feast and picnics in order to
check the possible wastage of food.
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26. ● To know the proper method of dressing and
cooking in order to check the wastage of food.
● To know the method of food preservation in order
to save the perishable foods from wastage.
● Provision of cold storage in every village and
refrigerator in every household.
● Changing food habit on everybody’s part.
● Family-Planning through birth control.
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27. BALANCED DIET
How can we avoid malnutrition and the ill
effects of affluence such as obesity and
cardiovascular disease ?
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29. CHANGES CAUSED BY AGRICULTURE
● LOCAL CHANGES
● GLOBAL CHANGES
● REGIONAL CHANGES
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30. CHANGES CAUSED BY OVERGRAZING
● Reduction in the diversity of plant species
● Reduction in the growth of vegetation
● Dominance of plant species that are relatively
undesirable to the cattle
● Increased soil erosion
● Damage from the cattle trampling on the land
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31. EFFECTS OF MODERN AGRICULTURE
● FERTILIZERS
● PESTICIDES
● WATER LOGGING
● SALINITY
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