UPSC CSE mains GS- I "physically geography" PYQs Physical Geography : Salient features of world’s physical geography. Q.1 ) Discuss the geophysical characteristics of the Circum-Pacific zone. [150 Words][10 Marks][2020] Q.2 ) How do ocean currents and water masses differ in their impacts on marine life and coastal environment? Give suitable examples. [250 Words] [15 Marks] [2019] Q.3 ) Define mantle plume and explain its role in plate tectonics. [150 Words] [10 Marks] [2018] Q.4 ) How does the Juno Mission of NASA help to understand the origin and evolution of the Earth? [150 Words] [10 Marks] [2017] Q.5 ) How does the cryosphere affect global climate? [150 Words] [10 Marks] [2017] Q.6 ) Account for variations in oceanic salinity and discuss its multi-dimensional effects. [250 Words] [15 Marks] [2017] Q.7 ) What characteristics can be assigned to monsoon climate that succeeds in feeding more than 50 percent of the world popul...