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NCERT Solutions for class 6 Geography chapter 6 – Major Landforms of the Earth

Back Exercise

1. Answer the following questions briefly.

(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 1.

(a) The major landforms are:

1. Mountains
2. Plateaus
3. Plains

(b)The difference between a mountain and a plateau is given below:

(c) There are 3 different types of Mountains:

• Fold Mountains
• Block Mountains
• Volcanic Mountains

(d) Mountains are useful to man in various ways:

• Mountains are a storehouse of water.
• Water from the mountains is also used for irrigation and generation of hydro-electricity.
• The river valleys and terraces are ideal for the cultivation of crops.
• Mountains have a rich variety of flora and fauna.
• The forests provide fuel, fodder, shelter and other products like gum, raisins, etc.
• Several sports like paragliding, hang gliding, river rafting and skiing are popular in the mountains.

(e) When the rivers flow through mountain slopes, erosion of mountains occur. The flowing river carries the eroded material and the deposit materials like silt, clay and stones are gathered on the valleys. This leads to the formation of plains.

(f) River plains are thickly populated because of the fertility of the plains. This makes the construction of a transportation network comparatively easier.

(g) Mountains are thinly populated because :

1. The climate is harsh at the mountain areas.
2. Slopes are steep at the mountains and that reduces the land available for farming.

2. 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 flows 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 2.

1. (i) elevation
2. (i) the mountains
3. (iii) India
4. (iii) China
5. (ii) the Alps

3. Fill in the blanks.

1. A ___________ is an unbroken flat 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 3.

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.

Major Landforms of the Earth Summary

The NCERT Class 6 Geography The Earth: Our Habitat Chapter 6 has the following topics:

• Mountains
• Plateaus
• Plains

In-Text Questions

Question 1.
The Rhine valley and the Vosges mountain in Europe are examples of such (Block) mountain systems. Locate them on the world map in the atlas and find out some more examples of this type of landforms.
Answer:
Please see map.
Examples of some more such landforms are:

• Deccan Plateau
• Black Forest
• East African Plateau
• Narmada and Tapi Valleys.

Question 2.
Can you name some places in the Himalayas associated with these sports?
Answer:
Yes, they are:

• Shimla
• Dehradun
• Dharmashala
• Kullu Manali.

Question 3.
Can you name this game in the given figure?

Answer:
The name of this game is skiing.

Question 4.
In how many ways do we use land and water?
Answer:
Use of land in the following ways:

• Agriculture
• Pastoral activities
• Mining
• Habitation
• Industries
• Urbanisation

Use of water in the following ways:

• Drinking
• Domestic use
• Fishing
• Transportation
• Industries
• Sewage disposal
• Irrigation
• Generation of hydro electricity
• Urbanisation
• Domestic animals in rural areas like drinking, bathing etc.