Class -7 Geography, Chapter-' Our Environmental, All Question Answer,
नमस्कार,
class 7 geography chapter 1 questions and answers
1: WHAT is an environmental ?
ans:
The world environmental denotes the surrounding or external conditions , influencing the development or growth of people . animals and plants .
2: name the types of components of envirenmental .
ans :
Name the types of components , of environmental are land , water . air living archaisms .
3: what is a biosphere ?
ans:
Biosphere a very narrow belt around the earth on which all kinds of life exist.
4: what is the importance of lithospheres ?
asn:
The lithosphere is very important for us becouse it provides us land to live on and soil for the growth of plants .
5: write a short note on : ( 1) Atmosphere ), (2) The hydrosphere.
ans:
( 1) Atmosphere : it is gaseous envelope surrounding the earth . the elements of the environmental such as temperature , rainfall , winds , humidity etc . combine to produce weather and climate which affect natural processes .
(2) The hydrosphere: the sphere of water , the water bodies on the surface of earth .
6: why do we need to protect our environment ?
ans:
They are under forest has decreased , a number of animal species are becoming extinct. the polar ice-caps are melting and environment has been polluted to dangerous levels . there is a rise in temperature globally and this environment degrodation is affecting the survival of human race .
7: how do the biotic and abiotic components of environment influence each other ?
ans:
All living organisms plants and animals depend on abiotic environment for their food . they depend on land , air, water , and sun for their basic necessities . these components of the abiotic environment also affect the biotic elements in a number of wats .
8: why is the earth called as the blue planets ?
ans:
Water cover nearly 77 percentage of the earth surface . the earth is known as the blue planet because it has abundance of water.
9: what are the three categories into which the consumers can be devided?
ans:
The herbivorous , the carnivorous ans the omnivorous . the herbivorous are the p;ants eater such as cows goats and other such animals . the carnivorous are the meat eater, like tigers , lions etc. omnivorous are those which are both , plants as well s flesh eaters ; for example , human beings .
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