geomorphology & earth landforms section 10 MCQ Questions & Answers Detailed Explanation

Answer: (c)

Answer: (d)

Tapti river empties into the Gulf of Cambay of the Arabian Sea, forming an estuary. It is fed by monsoon rains. The mean flow rate is about 600 cu m per sec, with the maximum in the summer.

The Tapti is navigable by a small craft for a distance of 50 km from the mouth. In some places, it is used for irrigation. The seaport of Surat is located in the estuary.

Answer: (b)

Answer: (d)

A levee is an elongated naturally occurring ridge or artificially constructed fill or wall, which regulates water levels.

It is usually earthen and often parallel to the course of a river in its floodplain or along low-lying coastlines.

Answer: (d)

Manganese ores are used for smelting ferromanganese, cast iron and pig iron containing about 1% Mn.

Besides coal and iron ore, the other basic minerals required for the iron and steel industry are manganese, limestone and chromite. Manganese is used in the process of converting pig iron into steel; limestone or dolomite is used in smelting iron ore, and chromite is used as an alloy in steel making.

Answer: (c)

The Peninsular Plateau is a vast area stretching over much of India. It consists of undulating land, which is some what higher than the coastal plains to the east and west or the flat Northern Plains of the Ganga and the Satluj.