Class 10 - Biology - Management of Natural Resources

Question 1.

What changes would you suggest in your home in order to be environment-friendly?

Answer.

Following are the changes that we can implement in our homes to be environment-friendly:

  • Switch off the light when not required.
  • Switch off the electrical appliances (like fan, AC, iron) when not required.
  • Turn off the taps when not in use specially while brushing your teeth. Repair leaking taps and pipes.
  • Biodegradable and non-biodegradable wastes should be kept in separate bins.
  • Vegetable and fruit peels should be buried in soil to make manures.
  • Reuse the plastic and glass containers.
  • Paper should be reused.
  • Avoid using plastic bags.
  • Plant more and more trees.

 

 

Question 2.

Can you suggest some changes in your school which would make it environment-friendly?

Answer.

Following are the changes that can be made in school to make it environment-friendly:

  • Switch off the lights and fans when not required.
  • Windows and doors should be bigger in size so as to allow natural light and fresh air into the room.
  • Minimum use of electrical appliances. Use of chalk boards instead of projectors so as to save energy.
  • Use of bicycles to reach school instead of using scooters and cars.
  • Turn off water taps after use. Repairing of leaking taps and pipes.
  • Biodegradable and non-biodegradable wastes should be thrown in separate bins.
  • Plantation of trees in and around the school campus.
  • Paper should be wisely used.
  • Water harvesting tanks should be made and kept clean.

Question3.

We saw in this chapter that there are four main stakeholders when it comes to forests and wildlife.

Which among these should have the authority to decide the management of forest produce? Why do you think so?

Answer.

Under the vigilance of government forest department, people who live in and around forests should decide the management of forest produce.

They have better knowledge of forests. They have methods and techniques for sustainable use of forest resources.

Government should keep a check on the activities going on in the forests and should focus on planting more and more trees.

Question4.

How can you as an individual contribute or make a difference to the management of (a) forests and wildlife, (b) water resources and (c) coal and petroleum?

Answer.

  • Forest and wildlife
  • We should encourage on planting trees.
  • We should protest against deforestation.
  • We should protest against killing of wild animals.
  • We should prevent overexploitation of forests.
  • We should stop converting forests into barren land for raw material requirement of industries.
  • Reduce use of paper so as to save trees.
  • Water resources
  • Turn off taps after use.
  • Repair leaking taps and pipes.
  • We should practice rainwater harvesting.
  • We should avoid throwing wastes into water bodies.
  • Coal and petroleum
  • We should use bicycle instead of cars and scooters to reach school.
  • We should pool cars or take bus to save fuel.
  • Use of CNG vehicles to avoid air pollution.

Question5.

What can you as an individual do to reduce your consumption of the various natural resources?

Answer.

Water, forests, air, soil, coal and petroleum are some of the natural resources. One should focus on 3R’s: reduce, reuse and recycle.

Following steps should be taken to reduce the consumption of natural resources:

  • Less use of electrical appliances so as to save electricity. Switch off the electrical appliances like fans and lights when not required.
  • Walk or use bicycle if possible.
  • Car pooling should be done to reach schools and offices. Use of public transport to go to places to avoid traffic and save fuel.
  • Separate bins for biodegradable and non-biodegradable wastes.
  • Repair leaking taps and pipes to save water.
  • Plantation of trees should be done.
  • Use leftover pages of notebooks.
  • Avoid taking shower, use bucket to take bath.

 

 

Question6.

List five things you have done over the last one week to –

  • Conserve our natural resources.
  • Increase the pressure on our natural resources.

Answer.

  • Conserve our natural resources
  • Travel in CNG autos and car pooling.
  • Travel in public transport.
  • Recycling of paper.
  • Use of separate bins for biodegradable and non-biodegradable wastes.
  • Plantation of trees.
  • Rainwater harvesting system should be implemented.
  • Increase the pressure on our natural resources
  • Use of non-renewable resources of energy.
  • Use of plastic bags.
  • Wasting paper for making airplanes.
  • Wastage of electricity.
  • Plucking small plants from roots.
  • Kept taps on with flowing water.
  • Not repairing leaking taps and pipes.

 

 

Question7.

On the basis of the issues raised in this chapter, what changes would you incorporate in your lifestyle in a move towards a sustainable use of our resources?

Answer.

We should keep in mind the 3 R’s: reduce, reuse and recycle.

Reduce the amount of waste produced and use of natural resources.

Reuse paper, plastic and glass.

Recycle paper and other waste.

Below are some of the changes that can be a move towards a sustainable use of our resources:

  • I will use bicycle to go to school.
  • I will use public transport to travel long distances.
  • I will use jute or cloth bags and stop using polythene bags.
  • I will never waste paper.
  • I will tightly close water taps after use.
  • I will reduce the production of waste at home.
  • I will plant more and more trees.
  • I will always keep a check on leaking taps and pipes and repair them when required.

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