With reference to the internal structure of the Earth, consider the following statements: 1. Moho discontinuity forms the boundary between the crust and the asthenosphere.2. Earth’s inner core rotates slightly faster relative to the rotation of the surface.Which of the statements given above is/are incorrect? |ForumIAS

Q. With reference to the internal structure of the Earth, consider the following statements:
1.Moho discontinuity forms the boundary between the crust and the asthenosphere.
2.Earth’s inner core rotates slightly faster relative to the rotation of the surface.
Which of the statements given above is/are incorrect?

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: D

Notes:

Both statements are correct.

Mohorovicic (Moho) discontinuity forms the boundary between the crust and the asthenosphere (upper reaches of the mantle) where there is a discontinuity in the seismic velocity.
Earth’s inner core rotates slightly faster relative to the rotation of the surface.

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