NCERT Class 4 Social Science Solutions The Coastal Plains and Islands Part 2

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Ans:

Short Answer:

Q 1. What are Lagoons? In which part of the coastal regions lagoons are found?

Answer:

• When the sand bars in the coasts enclose water, they form lakes called lagoons.

  • These lagoons are also called backwaters.

  • Lagoons are found in the Malabar Coast of the Western Coastal Plains.

Q 2. What difference do you observe between the eastern and Western coast of India?

Answer:

• Differences between the eastern and Western coastal plains are

  • The Western coastal plain is narrow and the Eastern coastal plain is broad.

  • The rivers on the eastern coastal plain form delta.

Q 3. Name the parts of the eastern Coastal plains and western Coastal Plains. Describe the part where the biggest port of India is located?

Answer:

• Parts of the Eastern Coastal Plains are

  • Northern Circars

  • Coromondal Coast

• Parts of the Western Coastal Plains are

  • Gujarat Coast

  • Konkan Coast

  • Malabar Coast

• The biggest sea port of India is Mumbai.

  • Mumbai port is located on the Konkan Coast.

  • The Konkan Coast extends from Gujarat coast up to Goa.

  • It is a very narrow plain with rocky uneven surface. Light houses have been built along the coast warning ships for the hidden rock below the water.

  • Light houses are towers in or near the sea sending out beams of light for guiding the ships.

  • Ships from all over the world come to Mumbai.

  • Mumbai High which is famous for oil and natural gas is located off this coast.