INDIAN SCHOOL AL WADI AL KABIR

DEPARTMENT OF SCIENCE 2017-18

CHEMISTRY

CLASS:X MANAGEMENT OF NATURAL RESOURCES DATE: 18/01/18

Answer the following questions in a word or in a sentence:

1.Name any two indicators that show the water is polluted.

2.What is GAP?

3.What is wildlife?

Answer the following in about 30 words:

4. State any two harmful effects of burning fossil fuels.

5.Why are forests referred to as ‘biodiversity hotspots’?

6.Briefly explain how industrialists affect forest ecosystems.

7.What are kulhs?

Answer the following in about 50 words:

8.Explain any three stakeholders of forest ecosystem.

9.Give any two instances of local people participation in conserving forests.

10.Why do we need to manage the use of resources with a long term perspective?

11.Briefly explain the various problems related with construction of dams.

12.Describe the traditional waterharvesting system.

13.What are the advantages of underground water?

14.Suggest any three measures to conserve fossil fuels.

15.With the help of an example, explain how extraction of resources can degrade our

surroundings.

PREVIOUS YEARS BOARD PAPER QUESTIONS:

1.  Name any two greenhouse gases. (1M)

[Hint:Carbon dioxide,Methane]

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2.  Why should coal and petroleum be used judiciously?What ill effects can be caused if they are not used non judiciously?(2M)

[Hint:Limited in occurrence, Ill effects –Acid rain, global warming]

3.  Mention any two reasons for which environmentalists protested against raising the height

of the SardarSarovar Dam on river Narmada(2M)

[Hint:problems in construction of dams-Social,economic or environmental]

4.  Why should we conserve forest and wildlife ?(2M)

[Hint:Importance of forest and wildlife-Ecological balance,temperature

regulation,climatic control,storehouse of raw materials for industries]

5.  State two advantages of water stored underground.(2M)

[Hint:less polluted, free from contamination and vectors]

6.  What are the disadvantages of converting forests into monoculture.(2M)

[Hint:Loss of forest and biodiversity,ecological imbalance]

7.  What is equitable distribution of resources in a society and why is it necessary?State any two factors which work against the equitable distribution of resources.(3M)

[Hint:Need to manage resources]

Prepared by Ms. Zeema V Page 2 of 2