Geography · Science General
Rocks and Earth Materials
1,291 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
What is the largest known meteorite?
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The Hoba meteorite.
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The El Chaco meteorite.
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The Sikhote-Alin meteorite.
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The Tunguska meteorite.
A
Correct answer
Explanation
The Hoba meteorite is the largest known meteorite, weighing over 60 tons.
What is the most famous meteorite?
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The Tunguska meteorite.
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The Chelyabinsk meteorite.
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The Sikhote-Alin meteorite.
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The Allende meteorite.
A
Correct answer
Explanation
The Tunguska meteorite is the most famous meteorite, due to the large explosion it caused in 1908.
What is the most recent meteorite fall?
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The Chelyabinsk meteorite.
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The Sikhote-Alin meteorite.
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The Allende meteorite.
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The Hoba meteorite.
A
Correct answer
Explanation
The Chelyabinsk meteorite is the most recent meteorite fall, occurring in 2013.
What is the most dangerous type of meteorite?
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Stony meteoroids.
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Iron meteoroids.
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Stony-iron meteoroids.
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Ice meteoroids.
B
Correct answer
Explanation
Iron meteoroids are the most dangerous type of meteorite, because they are more likely to penetrate the Earth's atmosphere and reach the surface.
What is the most common type of meteor?
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Fireballs.
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Bolides.
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Meteors.
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Micrometeoroids.
C
Correct answer
Explanation
Meteors are the most common type of meteor, accounting for about 90% of all meteors.
Which type of cave is formed by the dissolving action of water on soluble rocks, such as limestone or dolomite?
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Lava cave
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Sea cave
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Glacier cave
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Solution cave
D
Correct answer
Explanation
Solution caves are formed when water seeps into cracks and crevices in soluble rocks, gradually dissolving the rock and creating cave passages over time.
What is the term for a large, open chamber found within a cave?
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Stalactite
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Stalagmite
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Column
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Chamber
D
Correct answer
Explanation
Chambers are large, open spaces within a cave that are often formed by the collapse of cave roofs or the merging of multiple cave passages.
What is the term for a column-like formation created by the joining of a stalactite and a stalagmite?
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Stalactite
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Stalagmite
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Column
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Flowstone
C
Correct answer
Explanation
Columns are formed when a stalactite and a stalagmite grow together, creating a continuous column-like structure.
Which of the following is a common type of cave decoration formed by the precipitation of minerals from water?
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Stalactite
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Stalagmite
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Column
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Flowstone
D
Correct answer
Explanation
Flowstone is a type of cave decoration formed by the precipitation of minerals from water, creating a smooth, often colorful layer on cave walls and floors.
What is the term for a cave that is formed by the collapse of a sinkhole?
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Lava cave
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Sea cave
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Collapse cave
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Glacier cave
C
Correct answer
Explanation
Collapse caves are formed when the roof of a cave collapses, creating a large, open space.
Which of the following is a common type of cave formation created by the deposition of minerals from water?
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Stalactite
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Stalagmite
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Column
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Soda straw
D
Correct answer
Explanation
Soda straws are thin, hollow stalactites that are formed by the rapid dripping of water.
What is the term for a cave that is formed by the erosion of rocks by lava?
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Lava cave
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Sea cave
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Glacier cave
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Eolian cave
A
Correct answer
Explanation
Lava caves are formed by the cooling and solidification of lava, creating tunnels and chambers within the rock.
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A small piece of rock or metal that enters Earth's atmosphere
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A large piece of rock or metal that enters Earth's atmosphere
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A comet that enters Earth's atmosphere
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An asteroid that enters Earth's atmosphere
A
Correct answer
Explanation
A meteor is a small piece of rock or metal that enters Earth's atmosphere. It is also known as a shooting star.
Which geologic feature is formed by the collapse of a cave roof?
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Sinkhole
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Karst
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Cenote
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Pothole
A
Correct answer
Explanation
A sinkhole is a geologic feature formed by the collapse of a cave roof.
What is the term for a long, narrow ridge of rock that projects from a mountain?
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Arête
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Horn
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Pinnacle
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Monadnock
A
Correct answer
Explanation
An arête is a long, narrow ridge of rock that projects from a mountain.