Worksheet Solution: The Coastal Plains & Islands Notes | Study Social Studies for Class 4 - Class 4

Question 1: Fill in the blanks

• The Western Ghats lie to the Parallel of the Western Coastal Plain.
• An island is surrounded by sea on All sides.
• Eastern Coastal Plain is bound by the Bay of Bengal and the Eastern Ghats.
• A piece of land surrounded by sea on three sides is called a Peninsula

EduRev Tips:

• Western ghats lie parallel to the western coast. They are continuous and can be crossed through passes only. The Western Ghats are higher than the Eastern Ghats and their average elevation is 9001600 metres. The Western Ghats are also known as Sahyadri.
• A piece of land that is completely surrounded by water on all sides is known as an island.
• The Eastern Coastal Plains is a wide stretch of landmass of India, lying between the Eastern Ghats and the Bay of Bengal. 
• A piece of land surrounded on three sides by water is as a known as a “peninsula”.

Question 2: Name the following

(a) The Island with an active volcano.

Barren Island is an island located in the Andaman Sea. It is the only confirmed active volcano in the Indian subcontinent.

(b) The sea port in India nearest to Sri Lanka.

(c) The important sea port of the Kerala State.

Cochin Port is the only major port in Kerala. It spreads over 827 hectares. It has a water frontage of 7.5 Km. The port has connectivity to the hinterland through NH 47, NH 17 and NH 49.

(d) The place which is the meeting point of the two coastal strips.

• (i) The western coastal strip
• (ii) The eastern coastal strip

The two coastal strips that flank the Peninsular plateau are 

(i) Western Coastal Strip 

• It is sandwiched between the Western Ghats and Arabian sea.
• It is a narrow plain. It consists of three sections. 
• The Northern part of the coast is called Konkan coast, the central part is known as Kannad plain and Southern stretch is called the Malabar Coast. 
• The rivers flowing in this region are short and fast flowing. The major Westward flowing rivers are Narmada and Tapi. 

(ii) Eastern Coastal Strip 

• It lies between the Eastern Ghats and Bay of Bengal. 
• It is broader than Western coastal plain. 
• It consists of two main sections. In the Northern part, it is referred to as the Northern Circar. In Southern part it is known as Coromandel Coast. 
• The river flowing in this region are much larger and broader. The major rivers which make deltas are the Mahanadi, the Godavari, the Krishna and the Kaveri. 

(e) The State that has lagoons.

State of Odisha, Chilika is the largest coastal lagoon in India and the second-largest lagoon in the world.

Question 3: Answer the following questions in brief

(a) Which occupation is popular among people living by the sea-side?

Fishing is an important occupation of the people living in the coastal areas and island because there is much water in their areas and most of the things they eat is fish and it is easy for them to get fish by fishing and some people sell fishes to earn money so it's an important occupation.

(b) What is a Lagoon?

Lagoon is defined as a shallow body of water separated from the ocean or from larger bodies of water by a reef or other barrier. Chilika is the largest coastal lagoon in India and the second-largest lagoon in the world.

(c) Which of the two group of Islands are farther from the main land?

The 2 islands which are farther from the mainland of India are:

Andaman and Nicobar Islands in the Bay of Bengal and the Lakshadweep islands in the Arabian Sea.

Question 4: Match the following

Corral Islands - Lakshadweep 

Lakshadweep is formed from the skeletons of these polyps, called corals. These coral islands were formed due to the accumulation of corals on the volcanic tops of the ridge of the Indian Ocean, which then sank below the surface many millions of years ago supposedly because of a rise in sea levels.

Commercial Capital - Mumbai 

Mumbai is the commercial capital of India and has evolved into a global financial hub.

Lava - Barren island 

Barren Island is an island located in the Andaman Sea. It is the only confirmed active volcano in the Indian subcontinent.

Tribes cut off from the modern world - Andaman and nicobar island. 

The 2 islands which are farther from the mainland of India are:

Andaman and Nicobar Islands in the Bay of Bengal and the Lakshadweep islands in the Arabian Sea.

Gujarat Coast - Gulf of Kutch 

The Gulf of Kutch divides the Kutch and the Kathiawar peninsula regions in the state of Gujarat. 

Question 5: From the map of the Coastal Plains

1. Name the important ports in the Konkan Coast and the Malabar Coast. ___________, ___________, ___________, ___________,
2. Locate the Konkan Coast and the Malabar Coast.
3. Locate the Gulf of Kachchh and the Gulf of Khambat.
4. Locate the Coromandel Coast and the Northern Circars Coast.
5. Name the important ports in the Coromandel Coast and the Northern Circars Coast. ___________, ___________, ___________, ___________,