Match List-I with List-II and select the correct answer using the code given below the lists :
| List-I | List-II | |
| A. Isobars | 1. | Lines of equal time |
| B. Isohels | 2. | Lines of equal pressure |
| C. Isochrones | 3. | Lines of equal salinity |
| 4. | Lines of equal duration of sun-light |
Code :
| A | B | C | |
| (a) | 1 | 2 | 4 |
| (b) | 2 | 4 | 3 |
| (c) | 2 | 4 | 1 |
| (d) | 1 | 2 | 3 |
[amp_mcq option1=β1 2 4β³ option2=β2 4 3β³ option3=β2 4 1β³ option4=β1 2 3β³ correct=βoption3β³]
This question was previously asked in
UPSC CAPF β 2010
β **Isohels:** Lines connecting points that receive equal amounts of sunshine duration over a given period. (Match with 4)
β **Isochrones:** Lines connecting points where a phenomenon occurs simultaneously or which are reached at the same time (e.g., lines of equal travel time from a specific point). (Match with 1)
β Lines of equal salinity are called isohalines (Option 3).