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प्रश्न
What is a volcano?
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उत्तर
A volcano is a vent in the earth’s crust from which fiery hot magma erupts from the earth's interior.
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संबंधित प्रश्न
Explain the types of volcanoes on the basis of periodicity of eruption with examples.
Give one example of volcanic mountains.
Fill in the blanks with suitable words:
Volcanic activity is a ______ movement.
Give one example of an active volcano.
Name the three types of volcanoes on the basis of the frequency of their eruption.
Fill in the blank below:
The molten rock that reaches the surface of the earth is called ______.
Explain the various parts of a volcano.
Name the largest active volcano in the world.
Name the three belts where volcanoes are found.
Indicate the world distribution of active volcanoes.
Describe the effect of volcanic eruption of Karakatoa in 1883.
Why is volcanic activity often associated with mountain building ?
Describe any three advantages of volcanoes.
Give two of its main characteristics of Geysers
Differentiate between active dormant and extinct volcanoes.
What is the following:
‘Ring of Fire’
Give reasons for the following:
Basic lava cones are broader than Acid lava cones.
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.
What is the following :
Fissure type of volcanoes
______ Volcano is known as light house of Mediterranean Sea.
Name the three types of volcanoes based on periodicity of eruption.
Distinguish between Active volcano and dormant volcano
Choose the odd one.
Stromboli, Helens, Hawaii, Fujiyama
Choose the odd one
An active volcano, Dormant volcano, Extinct Volcano, Shield volcano
