NCERT Solutions for Class 6 Social Science (Geography) Major Landforms of the Earth [Old Book]

NCERT
SOLUTIONS
CLASS - 6TH

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Class : 6th
Subject : Social-Science-Geography
Chapter : 6
Chapter Name : Major Landforms of the Earth

Q1 Answer the following questions brie y.
(a) What are the major landforms?
(b) What is the difference between a mountain and a plateau?
(c) What are the different types of mountains?
(d) How are mountains useful to man?
(e) How are plains formed?
(f) Why are the river plains thickly populated?
(g) Why are mountains thinly populated?

Answer. (a) The major landforms are: mountains, plateaus and plains.
(b)

(c) The different types of mountains are: fold, block and volcanic. Usefulness of Mountains

(d) Usefulness of Mountains :
1. Mountains are a storehouse of water.
2. Many rivers have their source in the glaciers.
3. Reservoirs are made to harness this water for consumption, irrigation and generating electricity.

4. River valleys and terraces are ideal for cultivation of crops.
5. Mountains have a rich variety of ora and fauna.
6. Mountains provide an idyllic site for tourists.

(e) Most of the plains are formed by rivers and their tributaries. The rivers ow down the slopes of
mountains and erode them. They carry forward the eroded material. Then they deposit their load
(consisting of stones, sand and silt) along their courses and in their valleys. It is from these
deposits that plains are formed.
(f) A lot of at lands are available in plains. Also, the available land is generally fertile. Hence,
plains are the most useful areas for human habitation as well as for cultivation. Transport network
can also be easily constructed in plains. Thus, plains are very thickly populated regions of the

world.
(g) Mountains have very harsh cold climate. The slopes of the mountains are very steep. Also,
mountains offer very little land for farming. For these reasons, mountains are thinly populated.

Q2 Tick the correct answers.
(a) The mountains differ from the hills in terms of
(i) elevation
(ii) slope
(iii) aspect

(b) Glaciers are found in
(i) the mountains
(ii) the plains
(iii) the plateaus

(c) The Deccan Plateau is located in
(i) Kenya
(ii) Australia
(iii) India

(d) The river Yangtze ows in
(i) South America
(ii) Australia
(iii) China

(e) An important mountain range of Europe is
(i) the Andes
(ii) the Alps
(iii) the Rockies

Answer. (a) (i) elevation
(b) (i) the mountains
(c) (iii) India
(d) (iii) China
(e) (ii) the Alps

Q3 Fill in the blanks.
1. A ___________ is an unbroken at or a low-level land.
2. The Himalayas and the Alps are examples of _______________types of mountains.
3. _____________ areas are rich in mineral deposits.
4. The _________________ is a line of mountains.
5. The ____________areas are most productive for farming.

Answer. (a) A plain is an unbroken at or a low-level land.
(b) The Himalayas and the Alps are examples of fold types of mountains.
(c) Plateau areas are rich in mineral deposits.
(d) The Himalayas is a line of mountains.
(e) The plain areas are most productive for farming.