Environment And Road Safety Education And Violence Against Women And Children And Drug Abuse 2017 Exam With Answers

Practice Mode:
1.

Biosphere is :

A: The solid shell of inorganic materials on the surface of the Earth
B: The thin shell of organic matter on earth's surface comprising of all the living things
C: The sphere which occupies the maximum volume of all of the spheres
D: All of the above

The answer is: D

Explanation

The correct option is (d), that is biosphere is all of the above.

Explanation:

Biosphere is made up of all living and non living things known as the biotic and abiotic factors respectively.The biosphere consists of all three spheres, that is the lithosphere , hydrosphere and the atmosphere.

The biotic factors include all the living organisms and the abiotic factors include provide with all the resources required by the biotic species to survive.

The Biosphere plays an important role in creating a balance in the environment.

It is required for climate regulation.
Responsible for the energy flow through various organisms.
it consists of all necessary greenhouse gasses