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NCERT Class 9 Chapter 2: Shaping of the Earth's Surface MCQs for UPSC

Master key physical geography concepts from NCERT Grade 9 Chapter 2 including plate tectonic theory, agents of gradation, karst, coastal and glacial landforms, and slope hazards.

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Sample MCQs

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1. Which Earth scientist is credited with formulating the theory of plate tectonics, explaining the movement of the Earth's crustal plates?

  1. A.Alfred Wegener
  2. B.W. J. Morgan
  3. C.Harry Hess
  4. D.Arthur Holmes

2. What structural layers constitute the Earth's rigid 'lithosphere'?

  1. A.The entire mantle and the liquid outer core
  2. B.The semi-molten asthenosphere and oceanic crust only
  3. C.The inner core and outer core together
  4. D.The crust along with the uppermost solid part of the mantle

3. What primary mechanism drives the continuous movement of tectonic plates across the Earth's surface?

  1. A.Convection currents in the mantle generated by heat from the Earth's core
  2. B.Gravitational pull of the Moon and Sun during spring tides
  3. C.Atmospheric pressure differences between equatorial and polar regions
  4. D.Centrifugal force caused by Earth's daily axial rotation alone

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