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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.

Medium · Level 1 · 25 questions

Practice questions

01Why is the concept of Pangaea important in Wegener's Continental Drift Theory?

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02According to Wegener what was the correct name of the ocean around Pangaea?

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03The sea located between Laurasia and Gondwanaland was known by which name?

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04In Continental Drift Theory the matching coasts of Africa and South America are what type of evidence?

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05The occurrence of Mesosaurus fossils on separate continents strengthens which conclusion?

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06Why are Glossopteris fossils useful in support of Gondwanaland?

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07Study of tillite deposits gives which category of evidence in continental drift?

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08What was considered the main scientific weakness of Wegener's theory?

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09Which forces did Wegener suggest for moving continents?

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10Pole fleeing force was linked with which Earth process?

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11For tidal force whose attraction did Wegener consider important?

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12According to Wegener the northern part of Pangaea was known by which name?

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13India's presence in Gondwanaland indicates what?

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14Occurrence of rocks of similar age and type on different continents shows which evidence?

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15The presence of coal in Antarctica supports which idea of continental drift?

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16What benefit did Continental Drift Theory receive from Plate Tectonics?

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17What do old glacial marks indicate in continental drift?

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18Why was jigsaw fit alone not considered a final proof in the study of continental drift?

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19Why are placer deposits important in support of continental drift?

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20In Wegener's theory continents were considered to drift over what?

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21After the breakup of Pangaea what was assumed about the position of continents?

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22Similar tillite on southern continents strengthens the idea of which old landmass?

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23What is the most correct meaning of biological evidence in continental drift?

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24Why is the Tethys Sea important in explaining Continental Drift Theory?

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25If a question mentions continuity of similar rocks and mountain ranges what will be the correct evidence?

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