| 1 |
The unwanted change is physical or chemicla composition of water is refrred to as. |
- A. Air pollution
- B. Land pollution
- C. Water pollution
- D. Noise pollution
|
| 2 |
Light has a direct alerting effect and can affect. |
- A. Learning
- B. Productivity
- C. Memory consolidation
- D. All of these
|
| 3 |
When the volume and speed of high pitched sounds create a disturbance for our hearing abilities, it is termed as. |
- A. Land pollution
- B. Air pollution
- C. Noise pollution
- D. Water pollution
|
| 4 |
Nutrients overloads in aquatic ecosystem can cause. |
- A. Death of aquatic life
- B. Algal blooms
- C. Toxicity
- D. Eutrophication
|
| 5 |
Noise pollution causes. |
- A. Lungs problem
- B. Hapatitis
- C. Weakness of eyesight
- D. High blood pressure
|
| 6 |
Ozone layer is depleting due to |
- A. Water pollution
- B. Soil pollution
- C. Air pollution
- D. Noise pollution
|
| 7 |
Which of the following is a partof natural environment. |
- A. Buildings
- B. Transpot
- C. Atmosphere
- D. Roads
|
| 8 |
Sewage, farming, soil erosion and oil pollution are the causes of. |
- A. Air pollution
- B. Water pollution
- C. Land pollution
- D. Noise pollution
|
| 9 |
Climate change agreement was signed is. |
- A. Lahore, Pakistan
- B. New York, America
- C. Paris, France
- D. None of these
|
| 10 |
It is result of water pollution that leads to death of aquatic life. |
- A. Eutrophication
- B. Toxicity
- C. Mercury
- D. Sulphur
|
