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Chapter 6

Location, Extent and Physical Features

Class 10 - Total Geography Morning Star


Answer the following questions

Question 1(a)

Give two differences between the Eastern Coastal Plains and the Western Coastal Plains.

Answer

Eastern Coastal PlainsWestern Coastal Plains
They are a product of emergence due to deposits.They are a product of submergence of land.
They have a linear coastline.They are indented with many natural ports.

Question 1(b)

What kind of mountains are the Himalayas? By what name are the offshoots of the Eastern Himalayas known?

Answer

Himalayas are active fold mountains. The offshoots of the eastern Himalayas are known as Darjeeling Himalaya, Sikkim Himalaya, Bhutan Himalaya, and Arunachal Himalaya.

Question 1(c)

State how the Northern Plains were formed.

Answer

The Northern Plains were formed by the deposits brought in by the three major rivers- Indus, Ganga and Brahmaputra and their tributaries. Alluvium was deposited at the foothills of the Himalayas for millions of years. These deposits are now the fertile Northern Plains.

Question 1(d)

Give a geographical reason for each of the following:

(i) The rivers of south India are less suitable for irrigation than the rivers of north India.

(ii) The Peninsular Plateau of India is considered to be a part of Gondwanaland hundreds of millions of years ago.

(iii) The Narmada and Tapi do not form deltas.

Answer

(i) The rivers of south India are less suitable for irrigation than the rivers of north India because rivers of north India are perennial as they are snow fed but the rivers of south India are seasonal as they are rain fed.

(ii) The Peninsular Plateau of India is considered to be a part of Gondwanaland hundreds of millions of years ago because due to the tectonic movements, the Indo Australian plate drifted after being separated from the Gondwana land towards the north. Moreover, the rocks that make up the plateau match those in Africa in age, type and the layer sequence in which they occur.

(iii) The Narmada and Tapi do not form deltas because they flow through hard rocks and are not able to form distributaries before they enter the Arabian sea.

Question 2(a)

Give two differences between the Plains of North India and the Coastal Plains.

Answer

Plains of North IndiaCoastal Plains
These plains are located in the mainland of India, towards the south of Himalayas.These plains are located along the coastline of southern India.
Farming is the main occupation of the people.Fishing is the main occupation of the people in the coastal region.

Question 2(b)

Name two rivers of the Peninsular Plateau that flow towards the Arabian Sea. Name two rivers that flow into the Bay of Bengal.

Answer

Two rivers of the Peninsular Plateau that flow towards the Arabian Sea are Narmada and Tapi. Two rivers that flow into the Bay of Bengal are Mahanadi and Godavari.

Question 2(c)

(i) Name the four parts of the Peninsular Plateau of India.

(ii) Name the landforms that form the boundaries of the Peninsular Plateau.

Answer

(i) The four parts of the Peninsular Plateau of India are-

  1. The Central Plateaus
  2. The Eastern Plateaus
  3. The Kathiawar and Kutch
  4. The Deccan Plateau

(ii) The landforms that form the boundaries of the Peninsular Plateau are-

  1. Aravali range in the north-west
  2. Bundelkhand plateau in the extreme north
  3. Western ghats in the west
  4. Eastern ghats in the east

Question 2(d)

Give a geographical reason for each of the following:

(i) Less land is available for agriculture on the West Coast than on the East Coast.

(ii) Access through the Western Ghats is difficult.

(iii) The Peninsular Plateau of India is rich in mineral resources.

Answer

(i) Less land is available for agriculture on the West Coast than on the East Coast because eastern coastal plains are wider than the Western Coastal Plains. Moreover, the deltas formed by rivers like Kaveri, Krishna and Godavari are very fertile and useful for agriculture.

(ii) Access through the Western Ghats is difficult because they have a high elevation of about 900-1600m. They are continuous and can be crossed through passes only.

(iii) The Peninsular Plateau of India is rich in mineral resources as it is covered with basaltic lava and lava sheets which are rich in minerals.

Question 3(a)

Give two differences between Eastern Ghats and Western Ghats.

Answer

Eastern GhatsWestern Ghats
They rise gently from the east coast.They rise steeply from the west coast.
The hills are discontinuous.The hills are continuous.

Question 3(b)

Name the source of the river Ganga. Where does this river enter the plains?

Answer

Gangotri glacier in the Himalayas is the source of the river Ganga. This river enters the plains at Haridwar, Uttarakhand.

Question 3(c)

(i) Name any two left bank tributaries of the Ganga.

(ii) Is Ganga a perennial river? Give reason.

Answer

(i) Two left bank tributaries of the Ganga are Gomti and Ghaghra.

(ii) Yes, Ganga is a perennial river as it has water flowing throughout the year. It is fed by rain in the rainy season, melting of ice in summer season and snow in winter season.

Question 3(d)

Give a geographical reason for each of the following:

(i) The Northern Plains of India are one of the most densely populated regions of the world.

(ii) The Deccan Plateau is an example of a dissected plateau.

(iii) The rivers of South India are easier to tap for power than the rivers of north India.

Answer

(i) The Northern Plains of India are one of the most densely populated regions of the world as they are endowed with fertile soil, numerous rivers and favourable climate.

(ii) The Deccan Plateau is an example of a dissected plateau because several seasonal rivers flow across the Deccan plateau.

(iii) The rivers of South India are easier to tap for power than the rivers of north India as the rivers are marked by waterfalls and have less silt as they erode igneous rocks.

Question 4(a)

Give two differences between rivers of Northern India and the rivers of Southern (Peninsular) India.

Answer

Rivers of Northern IndiaRivers of Southern India
They are perennial as they are snow-fed.They are seasonal as they are rain fed.
These rivers are longer.These rivers are comparatively shorter.

Question 4(b)

Name the only significant river of the Rajasthan Plains. Name the largest river island in the world.

Answer

The only significant river of the Rajasthan Plains is Luni. The largest river island in the world is Majuli.

Question 4(c)

(i) How is cultivation carried out in the Rajasthan Plains?

(ii) Name the fertile tracts of these plains.

Answer

(i) Cultivation is done in small patches in this area with the water provided by small streams which originate from the Aravali during the rainy season.

(ii) The fertile tracts of these plains are known as Rohi.

Question 4(d)

Give a geographical reason for each of the following:

(i) Most of the rivers in South India flow into the Bay of Bengal.

(ii) The Rann of Kutch is not cultivated.

(iii) The Rajasthan Plains are an area of inland drainage.

Answer

(i) Most of the rivers in South India flow into the Bay of Bengal because the peninsular plateau gently slopes from west to east. Hence, the rivers flow from higher altitude to lower altitude and fall into Bay of Bengal.

(ii) The Rann of Kutch is not cultivated because it is a marshy lowland covered with salty water.

(iii) The Rajasthan Plains are an area of inland drainage because the rivers of the area do not have sufficient water to reach the sea and dry up or disappear into the sand.

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