INSIGHT UPSC QUIZ

ANS. (C) 
Extensive deserts occur in the western tropical regions of continents because of the effect of both the offshore easterly trade winds and cold ocean currents. Most deserts arise due to atmospheric wind conditions. Other deserts result from the effects of ocean currents on landmasses, where cool air masses carry fog and mist, but little rain, along coastal regions. World desert map depicts the location of all the deserts of the world. ... They are centered along the Tropics of Cancer and Capricorn. The heart of the tropical desert climate is found near the tropics of Cancer and Capricorn, usually toward the western side of the continents.