Prelims MCQ · Geography
Match List I with List II and select the correct answer using the code given below.
| List I | List II |
|---|---|
| 1. Tropopause | a. Contains charged particles and reflects terrestrial radio transmissions |
| 2. Stratosphere | b. Boundary with nearly constant temperature separating the lowest two layers |
| 3. Mesosphere | c. Extends to about 80 km, with temperature falling to nearly −100°C |
| 4. Ionosphere | d. Extends to about 50 km and contains the ozone layer |