| 1 |
The formula of ozone is. |
- A. O<sub>2</sub>
- B. O<sub>3</sub>
- C. O
- D. CO
|
| 2 |
Global warming is because of. |
- A. Absorption of infrared radiation emitted by earth surface.
- B. Absorption of infrared radiation coming from sun.
- C. Absorption of infrared Ultraviolet coming from the sun.
- D. Emission of ultraviolet radiation from the earth's surface.
|
| 3 |
Which one of the following gas has greater retaining capacity? |
- A. O<sub>2</sub>
- B. N<sub>2</sub>
- C. CO
- D. CO<sub>2</sub>
|
| 4 |
The region of ozone decomposition in stratosphere is. |
- A. 20 km
- B. 30 km
- C. 40 km
- D. 50 km
|
| 5 |
Which gas is also known as life gas for plants. |
- A. CO
- B. CO<sub>2</sub>
- C. O<sub>2</sub>
- D. NO<sub>2</sub>
|
| 6 |
Mesosphere has a temperature range. |
- A. 17 <sup>o</sup>C - 58<sup>o</sup>C
- B. 58<sup>o</sup>C - 2<sup>o</sup>C
- C. 2<sup>o</sup>C - 93<sup>o</sup>C
- D. - 93<sup>o</sup>C
|
| 7 |
Ozone depletion was first noticed is. |
- A. 1970's
- B. 1980's
- C. 1990's
- D. 1960's
|
| 8 |
75% atmosphere mass lies in how many kilometers. |
- A. 11 km
- B. 30 km
- C. 50 km
- D. 85 km
|
| 9 |
Which is not a part of flue gas? |
- A. Furans
- B. Dioxins
- C. HCl
- D. H<sub>2</sub>SO<sub>4</sub>
|
| 10 |
Normal rain water is: |
- A. weakly acidic
- B. strongly acidic
- C. weakly basic
- D. strongly basic
|
