Q.1. State True (T) or false (F).
(i) Mt. Kilimanjaro is in Africa. True
(ii) The Hundru falls is in the Chhotanagpur plateau on the river Subarnarekha. True
(iii) Many of the mining areas in the world are located in the plains areas. False
(iv) Mountains vary in their heights and shape. True
(v) Volcanic mountains are formed due to erosion. False
(vi) The river valleys and terraces are ideal for cultivation of crops. True
Q.2. Name the old fold mountain of Russia.
The Ural Mountain
Q.3. Which is the India’s most densely populated plain?
Indo-Gangetic plains are the most densely populated plain of the India.
Q.4. What do you mean by horsts?
The uplifted blocks are termed as horsts.
Q.5. Where is Jog Falls located?
Q.6. Which is one of the oldest fold mountain systems in the world?
The Aravali range in India is one of the oldest fold mountain systems in the world.
Q.7. Define mountain range.
Mountains may be arranged in a line known as range.
Q.8. How are Volcanic Mountains formed?
Volcanic Mountains are formed due to volcanic activity.
Q.9. Write examples of volcanic mountains.
Mt. Kilimanjaro in Africa and Mt.Fujiyama in Japan are examples of volcanic mountains.
Q.10. Fill in the blanks.
(i) The Himalayas, the Alps and the Andes are mountain ranges of Asia, Europe and South America, respectively.
(ii) The Jog Falls in Karnataka.
(iii) The Deccan plateau in India is one of the oldest plateaus.
(iv) As we go higher, the climate becomes colder.
(v) The Appalachians in North America have rounded features and low elevation.
(vi) Mauna Kea (Hawaii) in the Pacific Ocean is an undersea mountain.
Q.11. What do you mean by graben?
The lowered blocks are called graben.
Q.12. Which plateau is famous for gold and diamond mining?
African plateau is famous for gold and diamond mining.
Q.13. Which is the oldest plateau in India?
Q.14. Name the river on which Hundru falls is located.
Q.15. Less land is available for farming on mountains. Give reason.
As slopes are steep on mountains, less land is available for farming.
Q.16. Which is the highest peak in the world?
Mount Everest is the highest peak in the world.
Q.17. Write few examples of young fold mountains.
Examples of young fold mountains: The Himalayan Mountains and The Alps.
Q.18. Name the place where Rope Bridge is situated.
Q.19. Write examples of Block Mountains.
The Rhine valley and the Vosges Mountain in Europe are examples of such mountain systems.
Q.20. Write one mountain range of Europe.
Q.21. What are glaciers?
In some mountains, there are permanently frozen rivers of ice. They are called glaciers.
Q.22. Where is Mauna Kea (Hawaii)?
Mauna Kea (Hawaii) is in the Pacific Ocean.
Q.23. Write one important feature of young fold mountains.
They have rugged relief and high conical peaks.