The Coastal Plains and Islands - 1 Class 4 Worksheet SST

Q1: Fill in the blanks.

(i) The Western Ghats lie to the ______________ of the Western Coastal Plain.
Ans: Parallel
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.

(ii) An island is surrounded by sea on ____________ sides.
Ans: All
A piece of land that is completely surrounded by water on all sides is known as an island.

(iii) Eastern Coastal Plain is bound by the ______________ and the Eastern Ghats.
Ans: Bay of Bengal
The Eastern Coastal Plains is a wide stretch of landmass of India, lying between the Eastern Ghats and the Bay of Bengal. 

(iv) A piece of land surrounded by sea on three sides is called a _____________.
Ans: Peninsula
A piece of land surrounded on three sides by water is as a known as a “peninsula”.

(v) The Western Coastal Plain stretches from Gujarat to ______________.
Ans: Kerala
The Western Coastal Plain stretches from Gujarat to Kerala. This coastal plain runs along the western coast of India, bordering the Arabian Sea, and extends from the northern state of Gujarat to the southern state of Kerala.

(vi) Lagoons in Kerala are locally called ______________.
Ans: Kayals
Lagoons in Kerala are locally called Kayals. Kayals are a type of backwater or lagoon found in the state of Kerala. These lagoons are an integral part of Kerala's unique landscape and are often used for transportation and fishing.

(vii) The Eastern Coastal Plain stretches from ______________ to ______________.
Ans: West Bengal to Tamil Nadu
The Eastern Coastal Plain stretches from West Bengal to Tamil Nadu. This coastal plain runs along the eastern coast of India, bordering the Bay of Bengal, and extends from the northern state of West Bengal to the southern state of Tamil Nadu.

(viii) The average width of the Western Coastal Plain is ______________.
Ans: 120 km
The average width of the Western Coastal Plain is 120 km. The Western Coastal Plain is relatively narrow in comparison to the Eastern Coastal Plain and has an average width of approximately 120 kilometers.

(ix) The Andaman and Nicobar Islands form a group of about ______________ islands.
Ans: 572
The Andaman and Nicobar Islands form a group of about 572 islands. The Andaman and Nicobar Islands are an archipelago in the Bay of Bengal, consisting of hundreds of islands and islets. There are approximately 572 islands in this group.

(x) The Lakshadweep Islands lie in the ______________.
Ans: Arabian
The Lakshadweep Islands lie in the Arabian Sea. The Lakshadweep Islands are situated in the Arabian Sea, to the southwest of the Indian subcontinent. This group of islands is known for its stunning coral reefs and pristine beaches.

Q2: Name the following.

(i) The Island with an active volcano.
Ans: Barren Island is an island located in the Andaman Sea. It is the only confirmed active volcano in the Indian subcontinent.

(ii) The sea port in India nearest to Sri Lanka.
Ans: The sea port in India that is nearest to Sri Lanka is the port of Tuticorin, also known as Thoothukudi. It is located in the state of Tamil Nadu, in southern India, and is relatively close to the northern coast of Sri Lanka. Tuticorin is an important port for trade and connectivity between India and Sri Lanka.

(iii) The important sea port of the Kerala State.
Ans: 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.

(iv) The place which is the meeting point of the two coastal strips.
Ans: The two coastal strips that flank the Peninsular plateau are:
(a) 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. 

(b) 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. 

(v) The State that has lagoons.
Ans: State of Odisha, Chilika is the largest coastal lagoon in India and the second-largest lagoon in the world.

Q3: Match the following.

Ans: 1. 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.
2. Commercial Capital - Mumbai 
Mumbai is the commercial capital of India and has evolved into a global financial hub.
3. Lava - Barren island 
Barren Island is an island located in the Andaman Sea. It is the only confirmed active volcano in the Indian subcontinent.
4. 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.
5. Gujarat Coast - Gulf of Kutch 
The Gulf of Kutch divides the Kutch and the Kathiawar peninsula regions in the state of Gujarat.

Q4: Answer the following questions in brief.

(i) Which occupation is popular among people living by the sea-side?
Ans: 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.

(ii) What is a Lagoon?
Ans: 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.

(iii) Which of the two group of Islands are farther from the main land?
Ans: 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.

(iv) What is Bombay High?
Ans: Bombay high is that region of Konkan coast where Large deposits of petrol are found in the seabed.

(v) What are the main crops of Gujarat?
Ans: The main crops of Gujarat are wheat, jowar, Bajra, cotton and sugarcane.

(vi) Why is the Cellular Jail of Port Blair famous?
Ans: The cellular Jail of Port Blair famous because the freedom fighters of India were jailed here during British rule.

(vii) Name three rivers flowing through the Eastern Coastal Plain.
Ans: Godavari Krishna and Kaveri are three rivers Flowing through eastern coastal plains.

(viii) Where does the Eastern Coastal Plain lie?
Ans: The eastern coastal plains lie between the Eastern Ghat and the Bay of Bengal.

(ix) Which three parts are the Western Coastal Plains divided into?
Ans: The Western Coastal Plains is divided into three parts:

• The Konkan coast
• The Kannad plains. and
• The Malabar Coast