geomorphology & earth landforms section 2 MCQ Questions & Answers Detailed Explanation

Answer: (a)

Answer: (a)

Doab is a term used in India and Pakistan for the “tongue,” or tract of land lying between two converging, or confluent, rivers. It is similar to an interfluve. In the Oxford Hindi-English Dictionary,

R. S. McGregor defines it as “a region lying between and reaching to the confluence of two rivers (esp. that between the Ganges and Jumna).

Answer: (b)

Uneven distribution of insolation on the earth is mainly due to the Earth’s tilted axis and the nearly spherical shape. The length of time that the Earth’s surface is exposed to solar radiation also changes throughout the year, depending on the season.

Another factor that affects the solar radiation on the Earth is the rotation of the Earth itself. All these factors lead to the unequal distribution of heat on the Earth, creating what is called a heat gradient.

Answer: (b)

Answer: (d)

A meander, in general, is a bend in a sinuous watercourse or river. A meander forms when moving water in a river erodes the outer banks and widens its valley.

Meandering rivers erode sediment from the outer curve of each meander bend and deposit it on an inner curve further downstream. When a meander gets cut off from the mainstream, an oxbow lake forms.

Answer: (c)