Our Environment
Intext Questions
Page 258:
- Why is it necessary to conserve our environment?
- How do activities like deforestation and pollution affect our environment?
Page 259:
3. What is the significance of the ozone layer?
4. What measures can be taken to reduce the damage to the ozone layer?
Page 260:
5. What is the concept of ecological balance in nature?
6. How do humans disturb the ecological balance?
Exercise Questions
Page 261-262:
What are the various components of the environment?
What is meant by the term 'ecosystem'?
What is the role of decomposers in the ecosystem?
How does deforestation contribute to global warming?
What are the major pollutants of the environment?
Explain the harmful effects of chemical fertilizers and pesticides on the environment.
What are the measures that can be taken to reduce the effects of air pollution?
Why should we practice waste management?
What are some methods to reduce the depletion of natural resources?
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