Food-Where Does It Come From-Revision Notes
CBSE Class–VI Subject Science
Revision Notes
CHAPTER – 1
Food: Where Does it Come From?
Revision Notes
CHAPTER – 1
Food: Where Does it Come From?
- Food: Nutritious substance that people or animals eat or drink, or that plants absorb. In order to maintain life and growth.
- food is essential for both lants and animals.
USES OF FOOD IN OUR BODY
- For energy
- for growth
- for body functions
- for wounds healing
- for good health
PLANT SOURCE OF FOOD
(A) parts of 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 plant used as food : Ex. Rose, Cauliflower and Bauhinia(kachnar)
- Fruits on plant used as food :
- pulpy fruits: grapes, banana,apple
- Nuts and dry fruits : almond, currant ( kismis )
- Fruits used as vegetable : Brinjal,tomato,gourd,beans
6. Seeds used as food :
- Cereals(grains)and seeds : addy(rice),maize(corn),wheat
- pulses(dal) : Gram(chana),greengram(mung),pegeon pea.
- seeds yoeld oil which is used as food : mustard(sarson),sesame(til),coconut oil.
(B) FOOD THAT COMES FROM ANIMALS
- MILK;
- EGGS
- MEAT FROM ANIMALS
- FISH,PRAWNS,CRABS
- HONEY
There is a lot of variation in the food eaten in different regions of India.
- The main sources of our food are plants and animals.
- 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 are salt 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 which eat both plants as well as other animals are called omnivores. Example: bears, foxes, dogs, etc.
- Vegetarian : eat only the food from plants.
- Non-vegetarian : eat animal food like meat , fish, chicken and eggs.
Animals that live on dead and decayin food is called scavengers. Example: hyenas, vulture, etc.