The document discusses various food resources and issues related to food supply. It covers major food crops, livestock, and aquaculture as sources of food. It also discusses problems like undernourishment, malnourishment, and overnutrition. Modern agriculture and overgrazing can cause local, regional, and global changes. Food problems in India are exacerbated by population growth, low productivity, and natural calamities. Achieving a balanced diet and sustainable food production methods can help address malnutrition issues.

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“Think
positive, be
positive and
positive
things will
happen “
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2. FOOD RESOURCES
AKHILA.D
ROLL.NO. 32
FOOD RESOURCES
BY
AKHILA.D
BM
ROLL NO: 32
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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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FOOD RESOURCES

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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FOOD RESOURCES

6. SOURCE OF FOOD
● CROPS
● LIVESTOCK
● ACQUA CULTURE
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FOOD RESOURCES

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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FOOD RESOURCES

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9. FRUITS AND
VEGETABLES
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10. LIVESTOCK
● Domesticated animals are an
important food source
● “Ruminants “
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FOOD RESOURCES

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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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FOOD RESOURCES

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14. FOOD PROBLEMS
● UNDERNOURISHMENT
● MALNOURISHMENT
● OVERNUTRITION
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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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FOOD RESOURCES

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17. MALNOURISHMENT
● Lack of specific components of
food such as vitamins or essential
chemical elements
● long term and insidious
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FOOD RESOURCES

18. PROBLEMS
● MARASMUS
● KWASHIARKOR
● PELLAGRA
● GOITRE &HYPOTHYROIDISM
● CHRONIC HUNGER
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FOOD RESOURCES

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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FOOD RESOURCES

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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FOOD RESOURCES

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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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FOOD RESOURCES

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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FOOD RESOURCES

27. BALANCED DIET
How can we avoid malnutrition and the ill
effects of affluence such as obesity and
cardiovascular disease ?
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28. COMPOSITION OF A BALANCED DIET
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29. CHANGES CAUSED BY AGRICULTURE
● LOCAL CHANGES
● GLOBAL CHANGES
● REGIONAL CHANGES
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FOOD RESOURCES

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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FOOD RESOURCES

31. EFFECTS OF MODERN AGRICULTURE
● FERTILIZERS
● PESTICIDES
● WATER LOGGING
● SALINITY
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33. CASE STUDIES
● KESTERSON WILDLIFE REFUGE
● LAKE APOPKA,FLORIDA
● DDT AND FRAGILE EGGSHELLS
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