Syllabus: GS 1 – Salient features of world’s physical geography.
| Explain the factors responsible for the origin of ocean currents. How do they influence regional climates, fishing and navigation? | 2015 |
| Account for variations in oceanic salinity and discuss its multi-dimensional effects. | 2017 |
| What are the consequences of spreading of “Dead Zones on Marine Ecosystem? | 2018 |
| How do ocean currents and water masses differ in their impacts on marine life and the coastal environment? Give suitable examples. | 2019 |
| Discuss the geophysical characteristics of Circum-Pacific Zone. | 2020 |
| What are the forces that influence ocean currents? Describe their role in fishing industry of the world. | 2022 |