| 1 |
About 99% atmosphere's lies within: |
- A. 30 kilometre
- B. 35 kilometre
- C. 15kilometre
- D. 11 kilometre
|
| 2 |
Which one of these pollutants are not found in car exhaust fumes? |
- A. CO<sub>2</sub>
- B. O<sub>3</sub>
- C. NO<sub>2</sub>
- D. SO<sub>2</sub>
|
| 3 |
The region in which ozone layere depletes is called. |
- A. Ozone hole
- B. Black hole
- C. Both of them
- D. None of them
|
| 4 |
Higher concentration of CO causes. |
- A. Fatique
- B. Headache
- C. Both of them
- D. None of them
|
| 5 |
Which gas is in involved in ozone depletion? |
- A. Nitrogen
- B. CFC's
- C. Chlorine
- D. All of them
|
| 6 |
At which region all weather occurs? |
- A. Troposphere
- B. Stratosphere
- C. Mesosphere
- D. Thermosphere
|
| 7 |
Almost all air crafts fly in which reion? |
- A. Troposphere
- B. Stratosphere
- C. Mesosphere
- D. Thermosphere
|
| 8 |
Which gas is not present in atmosphere? |
- A. Nitrogen
- B. Oxygen
- C. Helium
- D. Carbon dioxide
|
| 9 |
The percentage by volume of nitrogen in dry gas is. |
- A. 78.09%
- B. 20.94%
- C. 0.93%
- D. 0.03%
|
| 10 |
___________ is not green house effect. |
- A. Increase of food chain
- B. increase atmospheric pressure
- C. Increase of sea level
- D. Increase of flood risks
|
