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Food resources

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Food resources

  1. 1. Presented by:Nirmaljeet Singh (9592577746)
  2. 2. Food and Food Resources   Food :- Materials, usually of plant or animal origin, that contain or consist of essential body nutrients.  Food Resources :-Resources that are used as food, or provide food for organisms are called food resources.
  3. 3. Food Resources  We obtain food from mainly two types of natural sources : 1. Plants 2. Animals
  4. 4. PLANTS AS FOOD RESOURCES  for herbivores and  Plants serve as food resources omnivores.  In India, the main source of food is agriculture.  Main kinds of agricultural products :       Cereals Pulses Spices Beverages Vegetables Fruits
  5. 5. Cereals ( ) Spices ( ) Fruits ( ) Pulses Beverages Vegetables ( )
  6. 6. ANIMALS & BIRDS AS FOOD RESOURCES  Animals and birds are a huge source of food for many organisms who are carnivores and omnivores. They are of the following origin : • Animal Meat • Bird Meat • Eggs • Other organic items like oils
  7. 7. Animal Meat and bird meat  Animals and birds are killed and their flesh is consumed by other animals as food.  Their consumption has various rituals and traditions in various cultures across the world.  Fish is a very important source of food too. It is very nutritious and popular.
  8. 8. Eggs and other bird/animal products  Eggs are very nutritious and a very viable source of food.  Milk is an animal product that is very nutritious and widely accepted.  Honey is the product of nectar collected by honey bees from flowers.  Certain animals also give things like oils, that has nutritional value. For instance, cod liver oil from fishes.
  9. 9. World Food Problems  Reasons for problems:  Population growth  Increasing affluence  Degradation and loss of cropland  Little growth in irrigation  Decline in global fertilizer