The correct answer is (a) - (iii), (b) - (iv), (c) - (i), (d) - (ii). Explanation & Key Takeaways: Waterfalls • A waterfall is an area where water flows over a vertical drop or a series of steep drops in the course of a stream or river. • Waterfalls also occur where meltwater drops over the edge of a tabular iceberg or ice shelf. • Waterfalls are commonly formed in the upper course of a river where lakes flow into valleys in steep mountains. • A plunge pool (or plunge basin or waterfall lake) is a deep depression in a stream bed at the base of a waterfall or shut-in. • It is created by the erosional forces of cascading water on the rocks at the formation’s base where the water impacts. • Shibsamudram Falls • This waterfall is in Malavalli, Mandya district of the state of Karnataka, India. • It is situated along the river Kaveri, which forms here the boundary between the Chamarajanagar district and Mandya district. • Jog Falls • The famous Jog Falls is situated along the Sharawati river. • Sharavati is a river that originates and flows entirely within the state of Karnataka in India. • Gokak Falls • Popularly known as the Niagara of India, is one of the prettiest in the country. • It sources its water from the Ghataprabha river, which takes a leap of 170 ft over a horseshoe-shaped sandstone cliff after a long winding course. • The cliff is nestled in a picturesque gorge of the Gokak Valley. • Kapildhara Falls • The Narmada river falls from a height of 100 feet creating a waterfall known as Kapildhara. • It is believed that the Kapil rishi meditated here, so that's hey this waterfall got the name Kapildhara.