Geomorphology — Prelims Questions

Consider the following statements about geomorphological processes: 1. Chemical weathering is more intense in tropical regions than in temperate regions 2. Physical weathering dominates in arid regions due to large diurnal temperature variations 3. The rate of chemical weathering decreases with increasing temperature 4. Frost action is a type of chemical weathering Which of the statements given above are correct?

Which of the following best explains the formation of the Western Ghats?

In the context of fluvial geomorphology, what is a 'knick point'?

Consider the following pairs: 1. Barchan : Crescent-shaped sand dune 2. Seif : Linear sand dune 3. Star dune : Pyramid-shaped dune with multiple arms 4. Parabolic dune : U-shaped dune with vegetation How many pairs given above are correctly matched?

Which of the following processes is primarily responsible for the formation of laterite soils in the Western Ghats?