Geography
Continental Drift Theory and its evidence
Practice questions
How should similarity of mineral deposits be interpreted in Wegener's theory?What role did Wegener assign to pole-fleeing force?Which is the most correct reason for criticism of tidal force?Why is Wegener's theory called evidence-rich but mechanism-weak?Why was there an objection to the idea of continents ploughing through sima?In Wegener's idea the difference between sial and sima was related to what?In Wegener's theory breakup of Pangaea was considered the beginning of which process?India's relation with Gondwanaland is most supported by which evidences?If a region has present warm climate but ancient glacial evidence is found there what is the most suitable explanation?When does the strength of fossil evidence become highest in Wegener's theory?Why was Wegener's explanation more revolutionary than the land bridge idea?How did Arthur Holmes's convection current hypothesis help the idea of continental drift?How did seafloor spreading later strengthen Wegener's basic idea?Why would it be wrong to place seafloor spreading among Wegener's original evidences?What is the most correct relation of palaeomagnetic evidence with Wegener's theory?What foundation did Wegener's idea provide for the development of plate tectonics?What is the basic difference between continental drift and plate tectonics?Which approach is most scientific while evaluating Wegener's theory?Formation of Laurasia and Gondwanaland after breakup of Pangaea shows what kind of division?Which statement correctly describes the relation between Pangaea and Panthalassa?