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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.

Expert · Level 6 · 24 questions

Practice questions

01What is the basic difference between continental drift and plate tectonics?

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Answer and explanation

02Which approach is most scientific while evaluating Wegener's theory?

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03Formation of Laurasia and Gondwanaland after breakup of Pangaea shows what kind of division?

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04Which statement correctly describes the relation between Pangaea and Panthalassa?

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05Finding similar mountain belts on separated continents is what type of evidence?

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06Why is the multidisciplinary nature of evidence important in Continental Drift Theory?

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07Why did Wegener's theory become controversial in its time?

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08If a question asks two major weaknesses of Wegener's theory which pair is most correct?

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09What does palaeoclimatic evidence mean in Continental Drift Theory?

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10Why are Carboniferous glacial evidences cited in continental drift?

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11If an answer mentions only coastal fit why is it incomplete at expert level?

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12How are present oceans understood in Continental Drift Theory?

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13What initial clue is given by the fit of African and South American coasts?

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14Why is chronology necessary in an exam explanation of continental drift?

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15Wegener's most lasting scientific contribution is seen in which form?

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16Why are South America Africa India Australia and Antarctica studied together in Gondwanaland evidence?

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17Which would be the strongest exam presentation of evidences in Wegener's theory?

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18Why should rejection of Wegener's theory not be called complete failure?

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19Shrinkage of the Tethys Sea is considered related to which geological result?

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20If similar fossil distribution is called mere coincidence which evidence can reduce this doubt?

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21Which force was proposed for westward drift in Wegener's theory?

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22Which force did Wegener consider responsible for movement toward the equator?

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23Which statement is most suitable in expert criticism of Continental Drift Theory?

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24Which sentence best expresses a mature understanding of Wegener's Continental Drift Theory?

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