April 16th Topic and UPSC Main previous year’s questions
Important Geophysical Phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc
The recent cyclone on east coast of India was called ‘Phailin’. How are the tropical cyclones named across the world? Elaborate.
Why are the world’s fold mountain systems located along the margins of continents? Bring out the association between the global distribution of fold mountains and the earthquakes and volcanoes.
Tropical cyclones are largely confined to South China Sea, Bay of Bengal and Gulf of Mexico. Why?
Define mantle plume and explain its role in plate tectonics