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NCERT Solutions for class 6 Geography Major landforms of the earth

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Exercise

Q1. Answer the following questions briefly.

(a) What are the major landforms?

Ans: The major landforms are mountains, plains, and plateaus.

(b) What is the difference between a mountain and a plateau?

Ans:

Mountains

Plateaus

Mountains are very high.

Plateaus are also high than their surrounding area.

They have peaks.

They are flat at the top.

It is difficult to construct roadways and railways.

It is somewhat easy to construct roadways and railways.

 

(c) What are the different types of mountains?

Ans: There are three types of mountains that are as follows:

  1. Fold Mountains
  2. Block Mountains
  3. Volcanic mountains

(d) How are mountains useful to man?

Ans: The mountains are very useful to us in the following ways:

  1. It contains glaciers that form the rivers.
  2. The water of these rivers is used for irrigation.
  3. Most people in mountains do terrace farming.
  4. It also serves as a tourist place.

(e) How are plains formed?

Ans: Plains are formed by the rivers and their tributaries flowing in the region. When the river flows down from the mountain and Erode them. The river carries stone, sand, and silt that are deposited in plain regions.

(f) Why are the river plains thickly populated?

Ans: The river plains are thickly populated because it is suitable for construction activities, fertile soil is available for large-scale farming, water is available for irrigation, and it provides better connectivity of roadways and railways.

(g) Why are mountains thinly populated?

Ans: In mountain regions, only a few areas is suitable for construction activities, slopes make it difficult for farming, it’s very tough to construct roads and railroad. These are the few reasons for less population in mountains.

Q2. Tick the correct answers.

(a) The mountains differ from the hills in terms of

(i) Elevation (ii) slope (iii) aspect

Ans: (i) Elevation

(b) Glaciers are found in

(i) The mountains (ii) the plains (iii) the plateaus

Ans: (i) The mountains

(c) The Deccan Plateau is located in

(i) Kenya (ii) Australia (iii) India

Ans: (iii) India

(d) The river Yangtze flows in

(i) South America (ii) Australia (iii) China

Ans: (iii) China

(e) An important mountain range of Europe is

(i) The Andes (ii) the Alps (iii) the Rockies

Ans: (ii) The Alps

Q3. Fill in the blanks.

1. A plain is an unbroken flat or a low-level land.

2. The Himalayas and the Alps are examples of fold types of mountains.

3. Plateau areas are rich in mineral deposits.

4. The range is a line of mountains.

5. The plain areas are most productive for farming.

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