What is Environment?

Meaning of Environment:

The environment can be defined as a sum total of all the living and non-living elements and their effects which influence human life. While all living or biotic elements are animals, plants, forests, fisheries, and birds, etc. The non-living or abiotic elements include water, land, sunlight, rocks, and air, etc.

Functions of Environment

(1) Supply of Resources

  • The environment offers resources for production.
  • It includes both renewable and non-renewable resources.
  • Example: Wood for furniture, soil, land, etc.

(2) Sustains Life

  • The environment includes the sun, soil, water, air which are essential for human life.
  • It sustains life by providing genetic and biodiversity.

(3) Assimilation of Waste

  • Production and consumption activities generate waste.
  • This occurs mostly in the form of garbage.
  • The environment helps in getting rid of the garbage.

(4) Enhances Quality of Life

  • Environment enhances the quality of life.
  • Man enjoys natural beauty like rivers, mountains, deserts, etc.
  • These add to the quality of life.

What are the Types of Resources?

Types of Resources

Renewable and Non-Renewable Resources

(1) Renewable Resources

  • Renewable resources are those resources which can never be exhausted or depleted with their continuous use.
  • There remains a continuous supply of renewable resources.
  • Example: Water, Trees, etc.

(2) Non-renewable Resources

  • Non-renewable resources are those resources which get exhausted with their extraction and use.
  • Example: Coal, Petroleum, Iron ore, etc.

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Solved Questions:

Q.1- Differentiate the following into renewable and non-renewable resources:

(I) Trees (Ii) Fish (Iii) Petroleum (Iv) Coal (V) Iron-ore (Vi) Water. (NCERT)

ANSWER:
(I) Trees Renewable resource
(II) Fish Renewable resource
(III) Petroleum Non-Renewable resource
(IV) Coal Non-Renewable resource
(V) Iron-ore Non-Renewable resource
(VI) Water Renewable resource
Q.2- What does the environment include?
ANS: It includes all those living and non-living elements which affects the quality of life.
Q.3- Give the meaning of renewable resources?
ANS: Renewable resources are those resources which can never be exhausted or depleted with their continuous use.
Q.4- Give the meaning of non-renewable resources?
ANS: Non-renewable resources are those resources which get exhausted with their extraction and use.
Multiple Choice Question:
Q.1 What are the functions of the environment?
a. Supply of resources

b. Sustains life

c. Assimilation of wasted

d. All of the above

Answer Key
1-d
Q.NO Fill in the blanks
 

1

______________may be defined as all those conditions and their effects which influence human life.

 

2 _____________resources are those resources which get exhausted with extraction and use.

 

Q.NO Answer Key
1 Environment
2 Non-renewable

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