Question

Regarding the Eastern Coastal Plain's geological composition, which statements are accurate?

1. It consists mainly of recent and tertiary alluvial deposits.

2. It is predominantly composed of metamorphic rock formations.

3. The littoral zone is primarily filled by deltas of the Indus and Ganga rivers.

4. The littoral zone is primarily filled by deltas of the Mahanadi, Godavari, Krishna, and Cauvery rivers.

• A. 1 and 4
• B. 2 and 3
• C. 1 and 3
• D. 2 and 4

Answer 1

Answer:

A. 1 and 4

Eastern Coastal Plain

• The Eastern Coastal Plain extends along the eastern coast of India along the Bay of Bengal, running from West Bengal in the north to Tamil Nadu in the south. Here are more details about its geological composition:

• It is narrower than the Western Coastal Plain and has a relatively even surface

• The coast is characterized by deltas formed by the major east-flowing rivers (Mahanadi, Godavari, Krishna, and Cauvery)

• These river deltas have created fertile agricultural lands in the region

• The alluvial deposits are primarily from these eastern rivers carrying sediments from the peninsular plateau

• Unlike statement 3, the Indus and Ganga rivers do not form deltas on the eastern coast - the Indus flows to the Arabian Sea in the west, and while the Ganga flows east, its delta (shared with the Brahmaputra) forms in Bangladesh

• The Eastern Coastal Plain can be divided into two parts:

  1. The Northern Circars (between the Mahanadi and Krishna rivers)

  2. The Coromandel Coast (south of the Krishna delta)

• This region is known for its agricultural productivity, port cities, and is densely populated.