Q.1) Define mantle plume and explain its role in plate tectonics. (10 marks)
Q.2) Explain the formation of thousands of islands in Indonesian and Philippines archipelagos. (15 marks)
Q.3) There is no formation of deltas by rivers of the Western Ghat. Why? (10 marks)
Q.4) Discuss the limitations of the theory of Continental Drift and show how the theory of Plate Tectonics is an improvement over it. (15 marks)