INTRODUCTION TO ENV SCIENCE

Question 1

DEFINITION OF ENVIRONMENT

Answer 1

*As per the definiTIon given in Environment (Protection) Act, 1986,
Environment is defined as the sum total of water, air and land and the
inter-relationships that exist among them and with the human beings,
other living organisms and materials.
* Environment includes everything around us. It encompasses both the
living (biotic) and non-living (abiotic) components of the earth.

Question 2

WHAT ARE 4 DIFFERENT SEGMENTS OF ENVIRONMENT

Answer 2

• Atmosphere: It is the blanket of gases surrounding the earth.
• Hydrosphere: It is composed of various water bodies on the earth. It
  includes the oceans, lakes, rivers, etc.
• Lithosphere: It contains various types of soils and rocks on earth.
• Biosphere: It is composed of all living organisms and their interac ons
  with the environment, viz. atmosphere, lithosphere and hydrosphere.
  The biosphere is the earth’s zone of air, soil and water that is capable of
  supporing life.

Question 3

DEFINE Environmental Study?

Answer 3

is the academic field which systemically studies
every issue that affects an organism.

Question 4

DEFINE Environmental Science?

Answer 4

it is the systema c study of the scientific
principles, economic influences and political ac on and inter
relationship among living organisms (bio c component) and non-living
things (abiotic components) which affect the environment.