EXERCISE:
Answer the following questions briefly:
1. What are the major landforms?
Ans: The major landforms are mountains, plateaus, and plains.
2. What is the difference between a mountain and a plateau?
Ans: A mountain is any natural elevation of the earth surface, but a plateau is an elevated flat land.
Example of mountain – Mount Everest
Example of plateau – The Deccan Plateau .
3. What are the different types of mountains?
Ans: There are different types of mountains. They are fold mountains, block mountains and the volcanic mountains.
4. How are mountains useful to man?
Ans: Mountains are useful to man in many ways:
(i)Mountains are a store house of water, many rivers have their source the glaciers in the mountains. Water from the mountains is also used for irritation and generation of hydro- electricity.
(ii)They have a rich variety of flora and fauna.
(iii)Mountains provide an idyllic site for tourists.
(iv)Several sports like paragliding, hang gliding, river rafting and skiing are popular in the mountains.
5. How are plains formed?
Ans: Most of the plains are formed by rivers and their mountains. The river flow down the slopes of mountains and erode them. They carry forward the eroded material. Then they deposit their land consisting of stones, sand and silt along their courses and in their valleys. It is from these deposits that plains are formed.
6. Why are river plains thickly populated?
Ans: The river plains are thickly populated because plains are very fertile, construction of transport network is easy, more flat land is available for building houses as well as for cultivation.
7. Why are mountains thinly populated?
Ans: The mountains are thinly populated because of harsh climate, steep slopes and less land is available for farming.
Tick the correct Answers:
1. The mountains differ from the hill in terms of __________ .
a. Elevation √ b. slope c. aspect
2. Glaciers are found in ___________ .
a. The mountains √ b. The plains c. The plateau
3. The Deccan plateau is located in ___________ .
a. Kenya b. Australia c. India √
4. The river Yangtze flows in ____________ .
a. South America b. Australia c. China √
5. An important mountain range of Europe is __________ .
a. The Andes b. The Alps √ c. The Rockies
Answers :
1. Elevation 2. The Mountains 3. India 4. China 5. The Alps
Fill in the blanks :
1. A ________ is an unbroken flat or a low – level land.
2. The Himalayas and the Alps are example 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.
Answers :
1. Plain 2. Young fold. 3. Plateau 4. Range 5. Plain .