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Difficulty: EasyPhysiography and Relief Features of India

Which of the following statements regarding the major physiographic divisions of India are correct?

  1. The Western Coastal Plain is narrower than the Eastern Coastal Plain and features estuaries rather than large deltas.Answer
  2. The Meghalaya Plateau is structurally a northeastern extension of the Peninsular Plateau, separated by the Malda Fault.Answer
  3. C
    The Eastern Ghats form a continuous and unbroken mountain wall along the eastern coast of India.
  4. D
    The Western Ghats have a lower average elevation compared to the Eastern Ghats.

Answer

The statements confirming that the Western Coastal Plain is narrow with estuaries and that the Meghalaya Plateau is a structural extension of the Peninsular Plateau separated by the Malda Fault are correct.
The Western Coastal Plain is indeed narrow and forms estuaries because of its submerged nature and short, rapid rivers. Additionally, the Meghalaya Plateau is geologically part of the Peninsular Block, separated from the Chota Nagpur Plateau by the Malda Fault.

Step-by-Step Solution

1
Analyze the structural characteristics of coastal plains.
The Western Coastal Plain is narrow and marked by estuaries, whereas the Eastern Coastal Plain is broad with extensive river deltas.
Geomorphological difference due to submergence on the west coast and emergence on the east coast.
2
Examine the geological continuity of the Peninsular Plateau.
The Meghalaya Plateau belongs structurally to the Peninsular Block, separated from the Chota Nagpur Plateau by the Malda Gap.
Faulting created a gap between the two regions during Gondwana break-up and subsequent tectonic movements.
3
Evaluate the relief features of the Eastern and Western Ghats.
Western Ghats are continuous and higher; Eastern Ghats are discontinuous and lower in average elevation.
Major river erosion dissects the Eastern Ghats, whereas the Western Ghats form an unbroken escarpment.

Key Concept

Physiographic and structural features of the Peninsular Plateau, Ghats, and Coastal Plains of India.
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Topics

Physiography and Relief Features of India

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