In India, rigid and stable elevated lands, denuded rocks and series of

In India, rigid and stable elevated lands, denuded rocks and series of scarps are the features of which of the following?

Northern mountains
Peninsular plateau
Northern plains
Coastal plains
This question was previously asked in
UPSC NDA-1 – 2022
The correct answer is B) Peninsular plateau.
The Peninsular plateau of India is an ancient, stable landmass. It is characterized by elevated plateaus, old denuded hills (denuded rocks), and features like rift valleys and fault scarps (series of scarps), indicating its stable but uplifted and eroded nature over geological time.
The Northern mountains (Himalayas) are young, geologically active, and not rigid and stable in the same way. The Northern plains and Coastal plains are depositional landforms, relatively flat and low-lying, not characterized by elevated lands, denuded rocks, or scarps in the same manner as the plateau.
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