The Ranchi Plateau is an example of:

Correct answer: (b) An uplifted peneplain

Explanation

The Ranchi plateau (Jharkhand) is an uplifted peneplain. A peneplain is an almost level surface left after a very long period of erosion. The Ranchi surface was worn down in this way and later raised by earth movements, so its rivers now drop off its edges in waterfalls such as Hundru (Subarnarekha), Jonha and Dassam.