FOOD- WHERE IT COMES FROM

Importance of food

FOOD

LIVING ORGANISMS

PRODUCERS

CONSUMERS

DECOMPOSERS

PRODUCERS

PRODUCERS ARE THE GREEN PLANTS WHICH PRODUCE THEIR OWN FOOD BY THE PROCESS OF PHOTOSYNTHESIS.

CONSUMERSTHE ORGANISMS THAT DEPEND ON PLANTS OR OTHER ANIMALS FOR THEIR FOOD

CONSUMER

HERBIVORE

CARNIVORE

OMNIVORE

SCAVENGER

DETRIVORES

INSECTIVORES

Sources of food

animalsplants

Plants produce their own food by the process of photosynthesis

Parts of a plant

Edible parts of plantsRoots of some plants are edible because they store the food prepared by the plantEg: carrot, beet root, radish, turnip, sweet potato

Stems of certain plants are edible.Eg: Sugar cane, potato, ginger, lotus, onion, garlic , celery, asparagus etc

Leaves of certain plants are used as vegetables.Eg- spinach, cabbage, lettuce etcCoriander and mint leaves are used for garnishing as well as to add flavour to food.

Flowers of certain plants are edible Eg- banana, pumpkin, drum stick, broccoli, cauliflower etc

The edible fruits of plants are used as vegetables and fruitsEg- drum stick, papaya, tomato ,chilli, pumpkin etc

The seeds of some plants are used as food.Eg- oil seeds like ground nut, coconut, almond, mustard etc

Pulses like beans, peas, rajma etc

Cereals like rice, wheat, maize etc

Pulses

Cereals

Spices add flavour and taste to food.Cinnamon- barkCardamom- seedPepper- fruitCloves- flower budVanilla- podSaffron- flower[stigma]Cumin- seedDried ginger- stemTurmeric- stemRed chili- fruitCoriander- seed

Garam masala

Beverages stimulates our nervous system as they contain caffeine.Eg- tea, coffee, cocoa

Certain plants have more than one edible partEg- pumpkin, banana, drum stick, coriander, fenugreek, mustard etc

Animals also provide us with food materialsEg- milk, meat, egg, honey, sea food etc

Food habits vary with different regions