SSC MTS EXAM

Detailed explanation-1: -It has arid climate with low vegetation cover. Streams appear during the rainy season. Soon after they disappear into the sand as they do not have enough water to reach the sea. Barchans (crescent-shaped dunes) cover larger areas but longitudinal dunes become more prominent near the Indo-Pakistan boundary.

Detailed explanation-2: -Barchans face the wind, appearing convex and are produced by wind action predominantly from one direction. They are a very common landform in sandy deserts all over the world and are arc-shaped, markedly asymmetrical in cross section, with a gentle slope facing toward the wind sand ridge, comprising well-sorted sand.

Detailed explanation-3: -Deserts are basically regions characterised by three main features-low rainfall, scanty vegetation and extreme temperatures.

Detailed explanation-4: -Barchans are concentric in shape, have convex sides which face the prevailing winds. These can be found in Jaisalmer city of Rajasthan. The Thar Desert or the Great Indian Desert, a large arid region which covers 200, 000 square kilometres and ranks 17 in terms of the world’s largest desert.