WBCS.LIVE practice question

The Dravidian rock system is found in ________ region.

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

Answer options

  1. Krishna valley
  2. Chotonagpur plateau
  3. Spiti valley
  4. Damodar valley

Correct answer and explanation

Correct answer: Spiti valley

Explanation: The correct answer is C. Spiti valley. The Dravidian rock system belongs to the Mesozoic era, mostly found in the Spiti valley of Himachal Pradesh. These rocks include marine fossils, showing they were formed under the Tethys Sea. The Spiti valley is geologically important due to its unique sedimentary formations. It is a cold desert region located in the trans-Himalayas. That is why the Dravidian rock system is associated with the Spiti valley.