Geography ยท Science General
Rocks and Earth Materials
1,176 Questions
Study geographical questions centered around rocks, minerals, and earth materials. The focus is on the formation and identification of igneous, sedimentary, and metamorphic rocks. These earth science topics are commonly tested in civil services and state level examinations.
Igneous rocksSedimentary rocksMetamorphic processEarth materialsGeomorphic symbols
Rocks and Earth Materials Questions
Which type of volcano is characterized by a steep-sided cone shape and frequent eruptions?
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Stratovolcano
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Shield Volcano
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Cinder Cone Volcano
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Caldera
A
Correct answer
Explanation
Stratovolcanoes are known for their steep-sided cone shape and frequent eruptions.
What is the term for the solidified lava that flows out of a volcano?
A
Correct answer
Explanation
Lava is the term for the solidified molten rock that flows out of a volcano.
Which type of volcano is formed by the accumulation of layers of lava and ash?
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Stratovolcano
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Shield Volcano
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Cinder Cone Volcano
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Caldera
A
Correct answer
Explanation
Stratovolcanoes are formed by the accumulation of layers of lava and ash.
What is the term for a large, bowl-shaped depression formed by the collapse of a volcano?
D
Correct answer
Explanation
A caldera is a large, bowl-shaped depression formed by the collapse of a volcano.
Which type of volcano is known for its broad, gently sloping shape and frequent eruptions of low-viscosity lava?
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Stratovolcano
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Shield Volcano
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Cinder Cone Volcano
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Caldera
B
Correct answer
Explanation
Shield volcanoes are known for their broad, gently sloping shape and frequent eruptions of low-viscosity lava.
What is the term for the fragments of rock and volcanic material ejected from a volcano during an eruption?
D
Correct answer
Explanation
Tephra is the term for the fragments of rock and volcanic material ejected from a volcano during an eruption.
Which type of volcano is characterized by a steep-sided cone shape and eruptions of cinders and ash?
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Stratovolcano
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Shield Volcano
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Cinder Cone Volcano
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Caldera
C
Correct answer
Explanation
Cinder cone volcanoes are characterized by their steep-sided cone shape and eruptions of cinders and ash.
What is the term for the molten rock that erupts from a volcano?
A
Correct answer
Explanation
Lava is the term for the molten rock that erupts from a volcano.
Which type of volcano is formed by the collapse of a volcano's central cone?
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Stratovolcano
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Shield Volcano
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Cinder Cone Volcano
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Caldera
D
Correct answer
Explanation
Calderas are formed by the collapse of a volcano's central cone.
Which type of volcano is characterized by a large, central crater and frequent eruptions of ash and gas?
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Stratovolcano
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Shield Volcano
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Cinder Cone Volcano
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Caldera
D
Correct answer
Explanation
Calderas are characterized by a large, central crater and frequent eruptions of ash and gas.
What is the term for the solidified magma that forms beneath the Earth's surface?
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Lava
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Magma
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Ash
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Intrusive Rock
D
Correct answer
Explanation
Intrusive rock is the term for the solidified magma that forms beneath the Earth's surface.
Which type of volcano is formed by the accumulation of layers of pyroclastic material?
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Stratovolcano
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Shield Volcano
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Cinder Cone Volcano
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Pyroclastic Cone
D
Correct answer
Explanation
Pyroclastic cones are formed by the accumulation of layers of pyroclastic material.
What is the term for the molten rock that cools and solidifies beneath the Earth's surface?
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Lava
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Magma
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Ash
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Intrusive Rock
D
Correct answer
Explanation
Intrusive rock is the term for the molten rock that cools and solidifies beneath the Earth's surface.
What is the most abundant mineral in the Earth's crust?
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Quartz
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Feldspar
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Calcite
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Olivine
A
Correct answer
Explanation
Quartz is the most abundant mineral in the Earth's crust, comprising about 12% of its mass. It is a silicate mineral composed of silicon and oxygen atoms.
Which mineral class is known for its ability to cleave into thin sheets?
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Silicates
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Carbonates
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Micas
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Sulfates
C
Correct answer
Explanation
Micas are a group of silicate minerals that are characterized by their ability to cleave into thin, flexible sheets. This property makes them useful in various applications, such as electrical insulation and construction materials.