AIIMS2001BotanyBiodiversity and its Conservation
The sphere of living matter together with water, air and soil on the surface of earth is called
Options
- Aatmosphere
- Bhydrosphere
- Clithosphere
- Dbiosphere.
Correct answer
D. biosphere.
Step-by-step solution
Biosphere is the biologically inhabited part of earth along with its abiotic or physiochemical components. Biosphere consists of three interacting subdivisions - atmosphere, lithosphere and hydrosphere. Atmosphere is the transparent gaseous mantle surrounding the earth. Lithosphere is the outer solid crust of earth. Hydrosphere is liquid mantle of earth.