Biosphere constitutes

A. All living beings on earth

B. Part of earth and its atmosphere inhabited by living organisms

C. All plants on earth

D. All animals on earth

Answer: Option B

Solution(By Examveda Team)

Biosphere constitutes Part of earth and its atmosphere inhabited by living organisms.
It can also be termed the zone of life on Earth. The biosphere is virtually a closed system of matter, with minimal inputs and outputs.
The biosphere is the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, cryosphere, hydrosphere and atmosphere.