WBCS.LIVE practice question

What is the name of the boundary that separates the Earth's Crust from the Mantle?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Gutenberg Discontinuity
  2. Mohorovicic Discontinuity
  3. Conrad Discontinuity
  4. Lehmann Discontinuity

Correct answer and explanation

Correct answer: Mohorovicic Discontinuity

Explanation: āœ… Correct Answer: B) Mohorovicic Discontinuity šŸ“š Explanation: The Mohorovicic Discontinuity, commonly called the "Moho," is the boundary between the Earth's crust and the underlying mantle. It was discovered in 1909 by Andrija Mohorovicic based on the sudden increase in the velocity of seismic waves at this depth. The depth of the Moho varies, being much deeper under continents than under the ocean floor.