What is the effect of the eastward slope of the Deccan Plateau on the peninsular river system?
Answer and explanation
Correct answer: Most major rivers flow toward the Bay of Bengal
The governing concept is that the general slope of land controls the direction of surface drainage. Much of the Deccan Plateau slopes eastward or southeastward from the Western Ghats. Consequently, major peninsular rivers such as the Godavari, Krishna, Mahanadi and Cauvery generally travel east and drain into the Bay of Bengal, often forming deltas. Option A is therefore correct. The word “most” is important because a few rivers, including the Narmada and Tapi, flow west through rift valleys into the Arabian Sea. The other options incorrectly claim that all rivers follow one impossible route.
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What is the correct answer to this question?
Most major rivers flow toward the Bay of Bengal
Why is this the correct answer?
The governing concept is that the general slope of land controls the direction of surface drainage. Much of the Deccan Plateau slopes eastward or southeastward from the Western Ghats. Consequently, major peninsular rivers such as the Godavari, Krishna, Mahanadi and Cauvery generally travel east and drain into the Bay of Bengal, often forming deltas. Option A is therefore correct. The word “most” is important because a few rivers, including the Narmada and Tapi, flow west through rift valleys into the Arabian Sea. The other options incorrectly claim that all rivers follow one impossible route.
Which subject and chapter does this question cover?
This is a Class 10 General Knowledge question. Chapter: Indian Geography. Topic: Mountains and Plateaus of India.
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