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
What is the typical composition of a meteor?
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Rock
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Metal
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Ice
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A mixture of rock, metal, and ice
D
Correct answer
Explanation
The typical composition of a meteor is a mixture of rock, metal, and ice.
The Southern Coastal Plain is primarily composed of which type of rocks?
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Igneous rocks
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Metamorphic rocks
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Sedimentary rocks
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Volcanic rocks
C
Correct answer
Explanation
The Southern Coastal Plain is composed primarily of sedimentary rocks, such as sandstone, limestone, and shale.
What is the primary rock type that makes up the lunar highlands?
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Basalt
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Anorthosite
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Granite
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Limestone
B
Correct answer
Explanation
The lunar highlands are predominantly composed of anorthosite, a rock type rich in the mineral plagioclase feldspar.
What is a desert varnish?
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A thin coating of iron and manganese oxides on rocks
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A type of sand dune
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A desert oasis
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A salt flat
A
Correct answer
Explanation
Desert varnish is formed when iron and manganese oxides are deposited on rocks by wind and water.
What is the primary component of most cave formations?
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Calcium carbonate
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Silica
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Limestone
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Dolomite
A
Correct answer
Explanation
The majority of cave formations are composed of calcium carbonate, which is dissolved from the surrounding rock by water and then deposited as the water evaporates.
Which of the following is a type of cave formation that hangs from the ceiling?
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Stalagmite
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Stalactite
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Column
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Flowstone
B
Correct answer
Explanation
Stalactites are cave formations that hang from the ceiling and are formed by the deposition of minerals from water droplets.
What is the term for a cave formation that rises from the floor?
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Stalagmite
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Stalactite
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Column
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Flowstone
A
Correct answer
Explanation
Stalagmites are cave formations that rise from the floor and are formed by the deposition of minerals from water droplets.
Which of the following is a type of cave formation that forms when stalactites and stalagmites meet?
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Column
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Soda straw
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Flowstone
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Helictite
A
Correct answer
Explanation
Columns are formed when stalactites and stalagmites meet and grow together.
What is the term for a cave formation that forms on the walls of a cave?
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Stalagmite
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Stalactite
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Column
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Flowstone
D
Correct answer
Explanation
Flowstone is a type of cave formation that forms on the walls of a cave and is created by the deposition of minerals from water flowing over the surface.
Which of the following is a type of cave formation that is known for its delicate and intricate structure?
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Soda straw
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Helictite
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Column
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Flowstone
B
Correct answer
Explanation
Helictites are known for their delicate and intricate structure and often grow in twisted or spiral shapes.
What is the term for a cave formation that resembles a shield or disk?
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Shield
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Disk
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Pancake
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Drapery
A
Correct answer
Explanation
Shield formations are cave formations that resemble a shield or disk and are formed by the deposition of minerals from water droplets.
Which of the following is a type of cave formation that is known for its thin and delicate structure?
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Soda straw
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Helictite
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Column
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Flowstone
A
Correct answer
Explanation
Soda straws are known for their thin and delicate structure and often grow in clusters.
Which of the following is a type of cave formation that is known for its rounded or bulbous shape?
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Shield
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Disk
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Pancake
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Drapery
C
Correct answer
Explanation
Pancake formations are known for their rounded or bulbous shape and are formed by the deposition of minerals from water droplets.
What is the term for a cave formation that resembles a pillar or column?
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Shield
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Disk
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Pancake
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Column
D
Correct answer
Explanation
Column formations are cave formations that resemble a pillar or column and are formed by the deposition of minerals from water droplets.
Which of the following is a type of cave formation that is known for its sharp and pointed shape?
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Shield
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Disk
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Spike
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Drapery
C
Correct answer
Explanation
Spike formations are known for their sharp and pointed shape and are formed by the deposition of minerals from water droplets.