CLASS-6 GEOGRAPHY CHAPTER-6 MAJOR LANDFORM ON THE EARTH

 EVENTS CONVENT HIGH SCHOOL

05/01/2022      CLASS- 6   SESSION 2021-22
SUBJECT :SOCIAL SCIENCE 

CHAPTER-6
MAJOR LANDFORM ON THE EARTH

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I. Choose the correct option to complete the sentences given below:

(i) It is the mountain range of South America.
(a) The Himalayas              (b) The Alps
(c)The Andes                      (d) The Rockies.

(ii)    Mt. Kilimanjaro is in
(a) Asia                                                      (b)      Africa
(c) South America                                    (d)     North America.

(iii) Which one sport is not popular in the mountains?
(a) Paragliding                                          (b)      Skiing
(c) Hang gliding                                       (d)     Football.

(iv) The Hundru falls is in
(a) Chhotanagpur                                         (b) Calcutta
(c) Ranchi                                                      (d) Chhattisgarh.

(v) The world’s highest plateau is the
(a) Deccan plateau                                        (b) Tibet plateau
(c) Chhotanagpur plateau                             (d) East African plateau.

Answer:  (i)—(c), (ii)-(b), (iii)-(d), (iv)-(a), (v)-(b).

II. Fill in the Blanks
Fill in the blanks with appropriate words to complete each sentence:

1. Many of the mining areas in the world are located in…………………………..  areas.
2. The climate of mountains is …………………..
3. Mountains vary in their ………………..  and shape.
4. The Ural mountains in ……………..  have rounded features and low elevation.
5. Volcanic mountains are formed due to ……………………  activities.
6. The ………….  and terraces are ideal for crop cultivation.
7. …………  in the Pacific Ocean is an undersea mountain.

Answer:

1. plateau
2. harsh
3. heights
4. Russia
5. volcanic
6. river basins
7. Mauna Kea (Hawaii)

III.State whether these sentences are true (T) or false (F).

1. A rich variety of flora and fauna is found in the mountains.
2. The Rope Bridge is in Arunachal Pradesh.
3. Plateaus are vast stretches of flat land.
4. Plains are very useful because they are rich in mineral deposits.
5. As we go higher, the climate becomes hotter.
6. Mt. Fujiyama in Japan is an example of volcanic mountains.
7. It is difficult to carry on construction work in plains.

Answer:

1. True
2. True
3. False
4. False
5. False
6. True
7. False.

IV.Match the items in column A correctly with those given in column B.

Very Short Answer Type Questions

1. What is internal process? [V. Imp.]
Answer: It is a type of continuous movement within the earth that lead to the upliftment and sinking of the earth’s surface at several places.

2. What is external process?
Answer:  It is the continuous wearing down and rebuilding of the land surface.

3. What is called, erosion?
Answer:  The wearing away of the earth’s surface is called erosion.

4. What happens when you go higher?
Answer:  The Climate becomes colder.

5. Give examples of young fold mountains.
Answer:  The Himalayan Mountains and the Alps.

Short Answer Type Questions

1. Write a few features of mountains.
Answer:

1. Mountains are natural elevations of the earth’s surface.
2. They are higher than the surrounding area.
3. Some of them are even higher than the clouds.
4. The climate of mountains is harsh, which makes them less suitable for human habitation.
5. Mountains have steep slopes. Hence, farming is quite difficult here.

2. What are block mountains?
Answer: Block mountains are created when large areas are broken and displaced vertically. The uplifted blocks are known as horsts and the lowered blocks are known as graben. Examples: The Rhine valley and the Vosges mountain in Europe.

3. How are plateaus useful for man?
Answer: Plateaus are very useful for man because they have rich mineral deposits. Many of the mining areas in the world are located in the plateau regions. For example, the African plateau is famous for gold and diamond mining. The Chhotanagpur plateau in India has huge reserves of iron, coal and manganese. In the plateau regions, one can find several waterfalls. Many plateaus have scenic spots which attract tourist on large scale.

4. What are the features of plateaus?   [Imp.]
Answer: 1.Plateaus are elevated flat lands. It is a flat topped table land standing above the surrounding area.
2. Plateaus have one or more sides with steep slopes.
3. Their height often varies from few hundred metres to several thousand metres.
4. Plateaus may be young or old. The Deccan plateau in India is one of the oldest plateaus.
5. The Tibet plateau is the highest plateau in the world.
6. Plateaus are storehouse of minerals like gold, diamond, iron, coal, etc.

5. What are the features of plains? [V. Imp.]
Answer: 1. Plains are vast stretches of flat land.
2. Some plains are extremely level. Others may be slightly rolling and undulating.
3. Plains are usually fertile regions. They are suitable for cultivation.
4. They are usually thickly populated regions.
5. It is easy to build houses, roads etc. in plains.