Question : The sphere of living matter together with water, air and soil on the surface of the earth is known as ________.
Option 1: Lithosphere
Option 2: Biosphere
Option 3: Hydrosphere
Option 4: Atmosphere
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Correct Answer: Biosphere
Solution : The correct option is a Biosphere .
The Biosphere is the overall ecological system that includes all living things and their interactions, including those with the Lithosphere, Cryosphere, Hydrosphere and Atmosphere. Eduard Suess, a geologist, coined the word Biosphere in 1875 and defined it as the region on the surface of the Earth where life exists.
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