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प्रश्न
Explain the various parts of a volcano.
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उत्तर
A volcano represents some typical parts e.g. the molten rock or magma mostly lava makes the conical body of a volcano. Magma chamber is the source of erupting magma. Vent is the main channel through which the magma erupts outwards. Crater is the mouth or uppermost part of a volcano which is a big hole from which magma erupts and spreads all over.
संबंधित प्रश्न
Give one example of volcanic mountains.
Fill in the blanks with suitable words:
Volcanic activity is a ______ movement.
What is the difference between magma and lava?
What is called the Pacific Ring of Fire? Why is it called so?
The forces arising from the interior of the earth:
Fill in the blank below:
The Circum-Paciflc Belt is also called ____________.
Indicate the world distribution of active volcanoes.
Distinguish between :
Seismology and Volcanology.
What is a geyser?
Name a well known geyser.
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’.
Answer the following:
Plate margins are zones of great volcanic activity.
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..
Which type of lavas weather into more fertile soil. Name also one useful feature of volcanicity other than soil fertility.
Describe the distribution of volcanoes in the world.
OR
Name the important belts of volcanoes.
What are the influences of volcanoes eruption on man?
OR
What is the importance of volcanoes?
OR
Mention adverse and beneficial effects of volcanoes.
What is the following :
Fissure type of volcanoes
What is the following :
Spine or plug
What is the following :
Epicentre
Distinguish between Active volcano and dormant volcano
Iceland, the most active volcanic area is located on the ______.
Choose the odd one
Mt. Popa, Mt. Fujiyama, Mt. Kilimanjaro, Mt. Kenya.
