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Management Of Natural Resources : NCERT Exercise Questions


 

Q.1      What changes would you suggest in your home in order to be environment friendly?
Sol.

Changes that I would suggest in my home in order to be environment friendly are:-
(i)  Instead of using polythene bags, start using cloth, paper or jute bags.
(ii)  Reduce use of electricity by :

      -  Avoiding unnecessary use of  light and fans.
      -  Using CFLs instead of fluorescent bulbs and lights.
      -  Using stairs instead of lifts.
(iii)  Recycle of plastics, papers, glass and metal items.
(iv)  Reuse different items like plastic bags, envelopes etc.
(v)   Use pressure cooker or solar cooker for cooking.
(vi)  Prefer walking or use bicycle for short distance and use public transport for long distance.


Q.2      Can you suggest some changes in your school which would make it environment friendly?
Sol.

Changes in our school which would make it environment friendly are :-
(i) Use of CNG instead of diesel and petrol in school buses.
(ii) Harvesting of rain water.
(iii) Afforestation (Planting of trees).
(iv) Provide Knowledge of 3 R's i.e. Reduce , Reuse and Recycle of different things to children.


Q.3      We saw in this chapter that there are four main stakeholders when it come to forests and wildlife. Which among these should have the authority to decide the management of forest produce ? Why do you think so?
Sol.

The four main stakeholders are :
(i) The local people who live in and around the forest.
(ii) The Forest department.
(iii) The industrialist.
(iv) The forest and wildlife activists.
The local people should have the authority to decide the management of forest produce because local people use the forest and wildlife resources continuously to fulfill their basic needs and their involvement makes them aware for the conservation of forest and wildlife.


Q.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 ?
Sol.

As an individual, I can contribute to the management of :
(a) Forests and wild-life by -
      (i) Afforestation - Planting of trees.

        (ii) Controlling cutting of trees.
        (iii) Avoiding the use of products that are made from animals body.

(b) Water resources by-
      (i) Using limited water.

        (ii) Preventing wastage of water in cleaning of vehicles and floor.
        (iii) Repairing leaking taps immediately.
        (iv) Guiding others for proper use of water.

(c) Coal and petroleum by -
      (i) Using bicycle for short distance instead of vehicles like car and scooter.

        (ii) Turning off the vehicle while waiting on red lights.


Q.5      What can you as an individual do to reduce your consumption of the various natural resources?
Sol.

To reduce consumption of the various natural resources, I can do the following things -
(i) Save electricity by avoiding unnecessary use of lights and fans.
(ii) Use solar Energy.
(iii) Prefer walking or using bicycle for short distance.
(iv) Control the waste of water.
(v) Avoid the use of products that are made from animals body.
(vi) Afforestation i.e. planting of trees.
(vii) Guide others regarding proper use of natural resources.


Q.6      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.
Sol.

(a) The five things done by me over the last one week to conserve our natural resources were :
        (i) Planted trees in the garden of our society .
        (ii) Used pressure cooker to save fuel.
        (iii) Switched off lights of my room before leaving.
        (iv) Went to school by bicycle when I missed the school bus.
        (v) Closed the tap tightly after bath.

(b) The five things done by me over the last one week which increased the pressure on our natural resources were :
         (i) Instead of wearing sweater used room heater.
         (ii) Forgot to switch off the light and TV before sleeping.
         (iii) Did not closed the tap tightly after bath.
         (iv) Cooked rice in a utensil instead of cooker.
          (v) Went to school by car with my father instead of school bus.


Q.7      On the basis of the issues raised in this chapter, what changes would you incorporate in your life-style in a move towards a sustainable use of our resources ?
Sol. 

Changes that i would incorporate in my life-style in a move towards a sustainable use of natural resources are:
(i) Started using cloth, paper or jute bags instead of polythene bags.
(ii) Reduce use of electricity by :
      -  Avoiding unnecessary use of  light and fans.
      -  Using CFLs instead of fluorescent bulbs and lights.
      - Using stairs instead of lifts for 2-3 floors.
      - Started wearing one or more sweaters instead of room heater in winters.
(iii)  Recycle plastics, papers, glass and metal items.
(iv)  Reuse different items like plastic bags, envelopes etc.
(v)   Use pressure cooker or solar cooker for cooking.
(vi)  Prefer walking or use bicycle for short distance and use public    transport for long distance.



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