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“Reuse is better than recycling of materials”. Give reason to justify this staten
|
|
1
|
626
|
April 5, 2019
|
|
Why is sustainable management of natural resources necessary?
|
|
1
|
522
|
April 5, 2019
|
|
(a) In your opinion is burning plastic an ecofriendly method of waste disposal? Why?
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|
1
|
2371
|
April 5, 2019
|
|
Can do something to reduce our personal consumption of various natural resources
|
|
1
|
482
|
April 5, 2019
|
|
State two advantages of conserving (a) forest, and (b) wild life
|
|
1
|
487
|
April 5, 2019
|
|
List four causes of damage to forests
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|
1
|
859
|
April 5, 2019
|
|
Forests are “biodiversity hot spots’. Justify this statement
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|
1
|
1407
|
April 5, 2019
|
|
“What was chipko Andolan”?
|
|
1
|
9945
|
April 5, 2019
|
|
Explain by giving example where active involement of local people lead to efficient management of forest
|
|
1
|
914
|
April 5, 2019
|
|
List four advantages of properly managed watershed management
|
|
1
|
1049
|
April 5, 2019
|
|
List four advantages of conserving water in the form of ground water
|
|
1
|
1154
|
April 5, 2019
|
|
What is meant by tree types of ‘R’ (3-R’s) to save the environment?
|
|
1
|
691
|
April 5, 2019
|
|
What is biodiversity? What will happens if biodiversity of an area is not preserved? Mention one effect of it
|
|
1
|
607
|
April 5, 2019
|
|
List two main causes of the pollution of water of the river Ganga
|
|
1
|
1722
|
April 5, 2019
|
|
Everyone of us can do something to reduce our personal consumption of various natural resources
|
|
1
|
535
|
April 5, 2019
|
|
(a) Why do we need to manage our resources carefully?
|
|
1
|
556
|
April 5, 2019
|
|
Why is sustainable managment of natural resources necessary?
|
|
1
|
491
|
April 4, 2019
|
|
What is watershed managment system? List two benefits drived by the communities that participate in this system
|
|
1
|
629
|
April 4, 2019
|
|
What is meant by biodiversity? List two advantages of conserving forest and wild life
|
|
1
|
5412
|
April 4, 2019
|
|
List three problems which arise due to construction of big dams. Suggest a solution for these problems
|
|
1
|
6551
|
April 4, 2019
|
|
“Burning fossil fuels is a cause of global warming.” Justify this statement
|
|
1
|
881
|
April 4, 2019
|
|
List any four characteristics of a good fuel
|
|
1
|
4844
|
April 4, 2019
|
|
What is chipko movement? Why should we conserve forests?
|
|
1
|
697
|
April 4, 2019
|
|
What are natural resources? State two factors that work against an equitable distribution of these resources
|
|
1
|
894
|
April 4, 2019
|
|
Why must use conserve our forests? List any two causes for deforestation taking place
|
|
1
|
603
|
April 4, 2019
|
|
What is water harvesting? Mention any two water harvesting structure
|
|
1
|
2352
|
April 4, 2019
|
|
Justify “Dust is a pollutant”
|
|
0
|
2437
|
March 20, 2018
|
|
Why does the percentage of gases like oxygen, nitrogen and carbon dioxide remain almost the same in the atmosphere?
|
|
0
|
1235
|
March 20, 2018
|
|
Write the major uses of oxygen
|
|
0
|
1419
|
March 20, 2018
|
|
There is mass mortality of fishes in a pond. What may be the reasons?
|
|
0
|
1930
|
March 20, 2018
|