WBCS.LIVE practice question

The Chota Nagpur Plateau is primarily composed of which types of rocks?

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

Answer options

  1. Alluvial and laterite soils
  2. Basaltic lava and pumice
  3. Sedimentary limestone and shale
  4. Archaean rocks of granite and gneiss

Correct answer and explanation

Correct answer: Archaean rocks of granite and gneiss

Explanation: āœ… Correct Answer: D) Archaean rocks of granite and gneiss šŸ“š Explanation: The Chota Nagpur Plateau is an ancient, stable landmass that forms the northeastern projection of the Indian Peninsula. Geologically, it is primarily composed of highly crystalline Archaean rocks, predominantly granite and gneiss. This ancient rock system makes the plateau exceptionally rich in vital mineral resources.