NCERT Solutions for Class 10 Science Management of Natural Resources
Q1. What changes would you suggest in your home in order to be environment friendly?
Ans. The following changes can be made to be environment friendly:
(i) Check the wastage of water, close the taps properly, recycle the water of washing machine into toilets.
(ii) Stop the use of bulbs and switch over to CFL lights.
(iii) Use solar water heater and cookers, install solar cell panel for electricity.
(iv) Reduce the garbage by not throwing such items which can be reused and recycled.
Q2. Can you suggest some changes in your school which would make it environment-friendly?
Ans. (i) Recycle the waste paper through it instead of dumping it in garbage.
(ii) Rain water harvesting system should be made.
(iii) Plant more and more frees.
(iv)Make compost of bio-mass collected like food waste, fallen leaves etc.,
Q3. 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?
Ans. The local people staying near the forest should be given the authority to decide the management of forest produce. They can keep a check on and control the misuse of the forest and its goods. They are the ones who do not exploit the forest and they know how to manage so it stays there for their for future generations to come.
Q4. 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?
Ans. (a) Forests and wildlife: Use less paper, do not waste paper, as trees are cut down to make it. Do not buy any animal products which are made by killing them like fur, skin, tusk, horn etc.
(b) Water resources: Use buckets to take bath instead of shower. Recycle the water from washing machine for toilets use.
(c) Coal and petroleum: Use public transport or use the transport that uses CNG. Switch off lights, minimise the use of air-conditioner, room heater etc.
Q5. What can you as an individual do to reduce your consumption of the various natural resources?
Ans. By following 3 R's
(a) Reduce: Reduce or minimise the use of resources, by giving electricity by switching off unnecessary lights. and fans etc. and by walking.when even possible.
(b) Recyde: Collect and recycle the products like plastic, paper, glass and metal.
(c) Reuse: It is better than recycle. Instead of throwing used envelopes. We can reverse it and use it again. The plastic and glass containers, bottles can be reused.
Q6. List five things you have done over the last one week to:
(a) Conserve our natural resources.
(b) Increase the pressure on our natural resources.
Ans. (a) To conserve our natural resources: I preferred walking to the nearby places or cycling instead of going by a car. Switched off lights when not required. Minimised the use of water and checked the extra flow of water.
(b) Increase the pressure on our natural resources: I used air conditioner. Shopped for new clothes.
Ans. To save various resources. I would follow 3R's reduce, reuse and recycle. Minimize the use of coal and petroleum switch over to CNG and use electrical equipments at the minimum.
Do not waste paper and water. I,will not buy goods made by killing animals like fur, leather, tusk, etc.
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