UPSC NDA 2 2021 General Ability Solved Paper

(a) Playa is a fine-grained bed of ephemeral lake in a desert. A playa is a dry, vegetation-free, flat area at the lowest part of an undrained desert basin. It is a location where ephemeral lakes form during wet periods, and is underlain by stratified clay, silt, and sand, and commonly, soluble salts.