Q.   Consider the following plains:

1. Abyssal plain
2. Peneplain
3. Pediplain

  Which of the above is/are formed on ocean basin?
Answer: 1 Only
Notes: A peneplain is a low-relief non-constructional plain found on the land surface. An extensive plain formed by the coalescence of pediments is called pediplain. Pediplains are normally formed in areas of arid and semi-arid climate. An abyssal plain is an underwater plain on the deep ocean floor, usually found at depths between 3,000 metres and 6,000 metres. Abyssal plains cover more than 50% of the Earth's surface.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.