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प्रश्न
How are volcanoes formed?
उत्तर
Volcanoes are formed by the eruption of magma from the interior and deposited on the land surface and after cooling down take the shape of volcanoes.
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संबंधित प्रश्न
What do you understand by ‘Vulcanism’?
Distinguish between the following pair of terms associated with vulcanicity:
Lava and Magma
Distinguish between the following pair of terms associated with vulcanicity:
Acidic Lava and Basic Lava
Match the items given in Column A with the correct ones in Column B.
| Column A | Column B |
| 1. A Rift valley lake | (a) Deccan Trap region of India |
| 2. A horst | (b) Fujiyama |
| 3. A basic lava sheet | (c) Tanganyika |
| 4. Composite cones | (d) Black forest plateau |
| 5. An active volcano | (e) Corndon Hill |
| 6. A Batholith | (f) The Alps |
| 7. A Phaccolith | (g) Upland of Britain is France |
| 8. A young Fold mountain | (h) Stromboli |
Answer the following:
Earthquakes are common in the belt of young fold mountains.
Answer the following
The vent of a volcano when blocked results in an explosive eruption.
Give reasons for the following:
Earth’s movements have modified the Earth’s surface.
______ belt is known as the “Ring of Fire”.
How many major zones of volcanic activities in the world?
Choose the odd one
Vesuvius, Stromboli, St.Helena, Etna.
