Sustainable Management of Natural Resources
NCERT Solutions
NCERT Exercises
1. What changes would you suggest in your home in order to be environment-friendly?
- Avoid the usage of plastics and replace it with eco friendly items.
- Saving electricity by switching off lights and fans.
- Avoiding the wastage of water.
Plant More trees around your home.
2. Can you suggest some changes in your school which would make it environment-friendly?
- Separation of biodegradable and non-biodegradable wastes.
- Minimize the use of electricity.
- Avoid wasting water.
- Plant more trees.
3. 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?
The forest department of the government should have the authority to decide the management of forest produce. This is because the forest department is the responsible authority to take care of the forest land and is responsible for any damage to the forest.
4. 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?
(a) Forests and wildlife
- Take part in community activities with focus on conserving forests and wildlife
- As a tourist follow all principles of conservation
- Help organisation engaged in conservation of forests and wildlife.
(b) Water resources
- Save water in domestic use.
- Install a system for rainwater harvesting
(c) Coal and petroleum
- Save electricity
- Install electric gadgets that use less power
- Use public transport.
5. What can you as an individual do to reduce your consumption of the various natural resources?
- Use of renewable resources.
- Avoid wastage of water.
- Use fuel efficient transport and make use of public transport system more.
- Avoid usage of plastic items and use more items that can be recycled.
6. List five things you have done over the last week to (a) conserve our natural resources. (b) increase the pressure on our natural resources.
(a)
- Used energy efficient electrical appliances.
- I used bicycle for going to school.
- Used public transport more.
- I efficiently utilized electricity by switching off the fan and light when not in room.
- I used bucket bath and stopped using the shower.
(b)
- I threw away some plastic bottles.
- Went to school by car instead of public transport.
- Wastage of water resource.
- I forgot to switch off the light of my bedroom and slept.
- Wasted food.
7. On the basis of the issues raised in this chapter, what changes would you incorporate in your lifestyle in a move towards the sustainable usage of our resources?
- I will make a judicial decision while using various resources.
- I will try to minimize the wastage of resources.
- I will try to use more of recycled products.
- I will make use of bicycles/ public transport system more.
Intext Exercises
Pg. No. 271
1. What changes can you make in your habits to become more environment-friendly?
- Avoid the usage of plastic products.
- Use more of ecofriendly products.
- Optimal usage of electricity and water resources.
- Plant more trees.
2. What would be the advantages of exploiting resources with short-term aims?
- It will be beneficial for all humans in the present generation.
It will help in the growth of the economy at a faster rate.
3. How would these advantages differ from the advantages of using a long-term perspective in managing our resources?
- It will help the future generation.
- Economy to grow over a longer timeframe.
4. Why do you think that there should be an equitable distribution of resources? What forces would be working against an equitable distribution of our resources?
- Natural resources should be shared equally so that every one can enjoy the resource equally.
- Corruption and greed of some humans and uneven distribution of resources between the rich and the poor are the some force that working against an equitable distribution of our resources.
Pg. No. 275
1. Why should we conserve forests and wildlife?
Forest conservation is important for stability of our environment. Forest is a habitat for a large number of species. There exist a large number of food chain. Destruction of forest land lead to the extinction of species and disturb the food chain. Forest plays a key role in water conservation.
2. Suggest some approaches towards the conservation of forests.
- Not to allow the destruction of forests for making roads, dams and hotels etc.
- Plant more trees.
- Convert forests into national parks and sanctuaries.
Make use of local people in conserving forest.
Pg. No. 278
1. Find out about the traditional systems of water harvesting/ management in your region.
Well recharging is one of the water harvesting method in which the water collected from the roof tops are directed to the wells.
2. Compare the above system with the probable systems in hilly/ mountainous areas or plains or plateau regions.
In plains, the water harvesting structures are crescent-shaped earthen embankments. Groundwater is also harvested with the help of borewells. In hilly regions, the system of canals used for water harvesting.
3. Find out the source of water in your region/locality. Is water from this source available to all people living in that area?
Water sources in my region are well, ponds and rivers.