In geographical context, a “Hamada” is a:

Answer: [A] type of desert landscape

Hamada is a type of desert landscape consisting of high, largely barren, hard rocky plateaus with very little sand because this has been removed by deflation. Hamadas are produced by the wind removing the fine products of weathering: an aeolian process known as deflation. 

This question is a part of GKToday's Integrated IAS General Studies Module