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प्रश्न
Indicate the world distribution of active volcanoes.
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उत्तर
There are about 500 active volcanoes. Most of them are confined to Circum-Pacific Belt and Mid World Mountain Belt.
संबंधित प्रश्न
What is a volcano?
What is the difference between magma and lava?
What is called the Pacific Ring of Fire? Why is it called so?
How are hot springs formed?
Match the Following:
| Column A | Column B |
| 1. Vent | (a) An active volcano |
| 2. Extinct | (b) Hot water fountain |
| 3. Geyser | (c) Dead Volcano |
| 4. Mt. Stromboli | (d) An opening in the earth's crust through which lava flows. |
| 5. Cinder Cone | (e) A volcanic landform. |
Fill in the blank below:
The Circum-Paciflc Belt is also called ____________.
Distinguish between :
Seismology and Volcanology.
Distinguish between :
Volcanic Dust and Volcanic Ash.
Describe the materials thrown out during volcanic eruption.
What is a geyser?
State two ways in which lava may come out of the earth’s crust giving an example of each type of these volcanic activities.
What is the following:
‘Ring of Fire’
Give reasons for the following:
The Circum-Pacific Belt of volcanoes is called ‘The Ring of Fire’.
Give one word for the following :
The lava which is poor in silica and rich in iron and magnesium.
Give one word for the following :
A volcano which has the possibility of erupting in future.
Give one word for the following :
A volcano where magma reaches the surface through a vent or a pipe..
Give one word for the following :
A volcano whose eruption buried and destroyed two Roman towns.
Which type of lavas weather into more fertile soil. Name also one useful feature of volcanicity other than soil fertility.
______ Volcano is known as light house of Mediterranean Sea.
An example for active volcano is ______.
Choose the odd one
Describe the classification of volcanoes based on the eruptions.
Iceland, the most active volcanic area is located on the ______.
Choose the odd one
An active volcano, Dormant volcano, Extinct Volcano, Shield volcano
Choose the odd one
Mt. Popa, Mt. Fujiyama, Mt. Kilimanjaro, Mt. Kenya.
