Q. Which among the following are also called as Earth-pillars?
Answer: Demoiselles
Notes: Demoiselles are landforms of wind erosion. They are also called as Earth pillars and are formed where hard  surface rocks protects a softer underlying rock.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 55 in Physical Geography - Various Landforms in above course in App.