| List-I | List-II |
| A. Temperature falls with height | 1. Ionosphere |
| B. Reflects radio waves back to earth | 2. Stratosphere |
| C. Contains most of the ozone | 3. Tropopause |
| D. Fall in temperature slops | 4. Troposphere |
A) A-4 B-2 C-1 D-3
B) A-3 B-2 C-4 D-1
C) A-4 B-1 C-2 D-3
D) A-4 B-3 C-1 D-2
Correct Answer: C
Solution :
In troposphere temperature falls with the height. The troposphere, the lowest layer of Earth's atmosphere, is heated from below. Higher up in the troposphere, where less heat from the surface warms the air, the temperature drops. Ionosphere reflects radio waves back to the earth. The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It contains high concentrations of ozone (03) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere. The tropopause is the boundary between troposphere (which is based at the earth's surface and has temperature that decreases with height) and the stratosphere (which is a stable region of very low levels of vertical mixing above the troposphere).
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