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Subjects

Geography

Continental Drift Theory and its evidence

In Class 11 Geography, this topic explains the Continental Drift Theory within the chapter “Distribution of Oceans and Continents.” Students learn Alfred Wegener’s idea that the continents were once joined as Pangaea and gradually moved apart. They examine evidence such as the matching shapes of coastlines, similar fossils, continuous rock formations, mountain belts, and past glacial deposits found on continents now far apart. The topic also introduces the theory’s limitations and its importance in the later development of plate tectonics.

Hard · Level 5 · 25 questions

Practice questions

01Why is the continental shelf margin given more importance than the coastline in evidences of continental drift?

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02How does the hypothesis of Pangaea explain different evidences together?

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03Why is the location of the Tethys Sea important in explaining the division of Pangaea?

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04If Panthalassa is mistaken for the Tethys Sea what is the correct correction?

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05In which situation does the matching of African and South American coasts become more reliable evidence?

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06The distribution of Mesosaurus fossils weakens which general assumption?

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07Why is Glossopteris evidence more useful in the context of Gondwanaland?

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08What do fossils like Lystrosaurus add to the argument of continental drift?

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09What is the most accurate conclusion from studying tillite and glacial striations together?

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10How do similar glacial evidences on southern continents strengthen the Gondwanaland hypothesis?

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11On what basis is the occurrence of coal in Antarctica explained in continental drift?

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12The example of placer gold in Ghana and Brazil supports which type of argument?

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13What is the main essence of criticism of Wegener's pole fleeing force?

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14What was the role of the Sun and Moon in Wegener's idea of tidal force?

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15Why was the idea of continents directly drifting over ocean floor mechanically weak?

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16Which weakness of Wegener was most clearly addressed by plate tectonics?

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17In which direction did sea floor spreading advance the discussion of continental drift?

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18India's northward movement is better understood beyond Wegener's theory in which modern framework?

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19Why are Tethys Sea sediments considered important in the background of Himalayan formation?

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20What is the benefit of treating Laurasia and Gondwanaland as structural divisions not just names?

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21Which option correctly separates cause and evidence?

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22What is the role of independent evidences in continental drift?

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23Which statement is a wrong interpretation of paleoclimatic evidence?

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24If Pangaea is called evidence and Mesosaurus is called concept what is the error?

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25Which is the most consistent combined evidence in support of Gondwanaland?

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