Major Domains of the Earth - Chapter Wise CBSE Solved Question and Answer Based On NCERT
Long Q&A:
Q1: Why is the Biosphere important for living organism? Which meridian is taken as a standard meridian for India and why?
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Ans:
Biosphere is the zone where life exists. This is the sphere where other three spheres i.e. Lithosphere, Hydrosphere and atmosphere interact with each other. In this zone life, that is unique to this planet, exists. All the living organisms including human beings are dependent on this sphere for survival.
Q2: How are the human beings disturbing the balance of nature?
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Ans:
Human beings have got certain needs and with these they also have certain abilities; physical as well as mental. Thus in order to fulfill their needs, human beings are continuously using their abilities to modify the nature. But with the advancement in technology, this modification of nature has taken the shape of degradation and exploitation of nature. There is thus, a need to limit the use of resources of the earth to maintain the balance of nature between the domains of the lithosphere, the atmosphere and the hydrosphere.
