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प्रश्न
Which type of lavas weather into more fertile soil. Name also one useful feature of volcanicity other than soil fertility.
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उत्तर
Basic – type lava sheet weather into fertile soil e.g.Deccan trap soil. Other useful feature of volcanicity is that the precious minerals come out with the magma near the land surface e.g. diamond and gold etc.
संबंधित प्रश्न
Fill in the blanks with suitable words:
Volcanic activity is a ______ movement.
What is a volcano?
What is the difference between magma and lava?
What is the difference between a dormant volcano and an extinct volcano?
Name the three types of volcanoes on the basis of the frequency of their eruption.
What are known as Shield volcanoes?
How are hot springs formed?
Which volcano is known as the ‘lighthouse of the Mediterranean?
Name the three belts where volcanoes are found.
Describe the materials thrown out during volcanic eruption.
Describe the effect of volcanic eruption of Karakatoa in 1883.
Describe any three advantages of volcanoes.
Give two of its main characteristics of Geysers
Name a well known geyser.
Differentiate between active dormant and extinct volcanoes.
What is the following:
‘Ring of Fire’
Give reasons for the following:
The Circum-Pacific Belt of volcanoes is called ‘The Ring of Fire’.
Answer the following:
Plate margins are zones of great volcanic activity.
Give one word for the following :
The funnel shaped hollow at the top of a volcanic cone.
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 large sill of acid lava which has solidified gradually giving a dome-like shape.
Give one word for the following :
A volcano where magma reaches the surface through a vent or a pipe..
Which four of the following words are connected with volcanic activity:
Karst, crater, drumlin, stalactite, gully, potholesl, ash, basalt, swallow, holes, dyke, domes, bluffs.
Describe the distribution of volcanoes in the world.
OR
Name the important belts of volcanoes.
______ Volcano is known as light house of Mediterranean Sea.
An example for active volcano is ______.
How many active volcanoes in the world?
Choose the odd one
An active volcano, Dormant volcano, Extinct Volcano, Shield volcano
