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Distribution of Oceans and Continents — Syllabus

CBSE · Class 11 · Geography

What Distribution of Oceans and Continents covers in CBSE Class 11 Geography: 4 topics, for the 2026-27 session.

70 questions80 flashcards5 concepts

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4 Topics · CBSE Class 11 Geography · 2026-27

Topics in Distribution of Oceans and Continents

1

Continental Drift and Early Ideas

  • Abraham Ortelius first proposed in 1596 that continents were once joined.
  • Antonio Pellegrini drew a map showing the three continents together.
  • Alfred Wegener put forth the continental drift theory in 1912.
2

Evidence for Continental Drift

  • The coastlines of Africa and South America facing each other show a remarkable match.
  • Bullard produced a computer-generated map in 1964 showing the best fit of the Atlantic margin between Africa and South America.
  • The fit was found at the 1,000-fathom line.
3

Ocean Floor Relief and Sea Floor Spreading

  • The ocean floor has three major divisions: continental margins, deep-sea basins, and mid-ocean ridges.
  • Continental margins form the transition between continental shores and deep-sea basins.
  • Deep-oceanic trenches are important parts of continental margins.
4

Plate Tectonics and Plate Boundaries

  • McKenzie and Parker, along with Morgan, independently collected available ideas in 1967 and formulated Plate Tectonics.
  • The earth's lithosphere is divided into seven major plates and some minor plates.
  • A tectonic plate, or lithospheric plate, is a massive irregular slab of solid rock.

Key Concepts

Central concept: Distribution of Oceans and Continents

Continental DriftEvidence for Continental DriftOcean Floor StudiesSea Floor SpreadingPlate TectonicsIndian Plate MovementForces Driving Plate Motion

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Frequently Asked Questions

What are the important topics in Distribution of Oceans and Continents for CBSE Class 11 Geography?
Key topics in Distribution of Oceans and Continents include Continental Drift and Early Ideas, Evidence for Continental Drift, Ocean Floor Relief and Sea Floor Spreading, Plate Tectonics and Plate Boundaries. Study these first, then practise questions on each for Class 11 exams.
How should I revise Distribution of Oceans and Continents for Class 11 exams?
Learn the core ideas first, then work through the 70 practice questions on Distribution of Oceans and Continents. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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