| 1 |
It is a protective gaseous envelop around the Earth. |
Green house effect
Atmosphere
Ozone layer
Oxygen
|
| 2 |
Sewage, farming, soil erosion and oil pollution are the causes of. |
Air pollution
Water pollution
Land pollution
Noise pollution
|
| 3 |
Climate chagne agreement was signed in. |
2015
2016
2014
2017
|
| 4 |
The malfunction of air conditioners cause to escape into the atmosphere. |
Nitrogen
Sulphur
Carbon di oxide
Chlorofluorocarbons
|
| 5 |
Nutrients overloads in aquatic ecosystem can cause. |
Death of aquatic life
Algal blooms
Toxicity
Eutrophication
|
| 6 |
It is result of water pollution that leads to death of aquatic life. |
Eutrophication
Toxicity
Mercury
Sulphur
|
| 7 |
This pollutant can lead to excess level of acid in lakes and streams, and damages trees and soil |
Carbon di oxide
Methane
Sulphur
Nitrogen
|
| 8 |
Green house effect keeps the terrestial temperature suitale for life at. |
10 oC
15 oC
20 oC
25 oC
|
| 9 |
The cause fo light pollution is |
Industrial noise
Transport noise
Artificial light
Loud music
|
| 10 |
Climate change agreement was signed is. |
Lahore, Pakistan
New York, America
Paris, France
None of these
|
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