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CBSE Class–VI Subject Science Revision Notes CHAPTER – 1 Food: WhereDoes it ComeFrom? Food: Nutritious substance that people or animals eator drink, orthat plants absorb. In order tomaintain life andgrowth. food is essential for both lantsand animals. (A) Partsof the plants as a source of food Plant roots used as food.
Ex. Carrot,Turnip,Radish,Beetroot. Plant stems used as food : Ex. Potato, Coriander and sugarcane. plant leaves use as food: Ex. spinach, cabbage, onion. flowers from plantused as food: Ex. Rose,Cauliflower and Bauhinia(kachnar) Fruits onplant used asfood : pulpy fruits: grapes, banana,apple Nuts and dry fruits : almond, currant ( kismis ) Fruits usedas vegetable :Brinjal,tomato,gourd,beans
Seeds usedas food : PLANT SOURCE OF FOOD For energy forgrowth for body functions for wounds healing for good health Cereals(grains)and seeds : addy(rice),maize(corn),wheat pulses(dal) : Gram(chana),greengram(mung),pegeon pea. USES OFFOOD IN OURBODY
The main sources of our foodare plants andanimals. Food sources from plants:- vegetables, pulses, spices, cereals, fruits, oils, etc. Food sources from animals:- milk, egg, honey, meat, fish, etc. Other sources of food aresalt and water. Animals which eat only plants are called herbivores. Example: cow, goat, sheep etc. Animals which eat only animals are called carnivores. Example: tiger, lion, etc. Animals whicheat both plants as well as other animals are called omnivores. Example: bears, foxes, dogs, etc. Vegetarian : eatonly the foodfrom plants. Non-vegetarian :eat animal foodlike meat ,fish, chicken andeggs. Animals that liveon dead anddecayin food is called scavengers. Example: hyenas, vulture, etc. seeds yoeld oilwhich is usedas food : mustard(sarson),sesame(til),coconut oil. (B) FOODTHAT COMES FROMANIMALS
MILK, EGGS, MEAT FROM ANIMALS FISH,PRAWNS,CRABS HONEY There is alot of variation in the foodeaten in different regions of India.
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