QUICK REVISION CONCEPTS
Food: Nutritious substance that people or animals eat or drink, or that plants absorb. In
order to maintain life and growth.
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.
Animals that live on dead and decayin food is called scavengers. Example: hyenas, vulture, etc.
NCERT Solutions
1. Do you find that all living beings need the same kind of food?
Answer:- No, the food requirements of all living organisms are different. Depending on the food requirements, living organisms are grouped into three categories:
Herbivores: Animals which eat only plants and plant products are called herbivores. For
example: Cow, elephant, rabbit, horse, etc.
Carnivores: Animals which eat other animals are called carnivores. For example: Lion, tiger,
lizard, etc.
Omnivores: These animals eat both plants and animals. For example: Dog, cat, cr ow, etc.
2. Name five plants and their parts that we eat.
Answer:
Plants – edible parts
Carrot – root
Potato – stem
Carrot – root
Apple – fruit
Cabbage – leaf
3. Match the items given in Column A with that in Column B
Page No: 7
4. Fill up the blanks with the words given:
(a) Tiger is a _________ because it eats only meat.
Herbivore, plant, milk, sugarcane, carnivore
► carnivore
(b) Deer eats only plant products and so, is called _________.
► Herbivore
(c) Parrot eats only _________ products.
► plant
(d) The _______that we drink, which comes from cows, buffaloes and goats is an animal
product.
► milk
(e) We get sugar from _________ .
► sugarcane