Geography ยท 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 composition of most asteroids?
A
Correct answer
Explanation
Most asteroids are composed primarily of rock, with some containing metals and ice.
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.
What is the composition of V-type asteroids?
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Metal
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Ice
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Silicates
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Basalt
D
Correct answer
Explanation
V-type asteroids are composed primarily of basaltic material, which is a type of igneous rock.
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 term used to describe the composition of asteroids?
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Albedo
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Density
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Mineralogy
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Porosity
C
Correct answer
Explanation
Mineralogy refers to the composition of asteroids, which can include various minerals such as silicates, metals, and ice.
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 the name of the prominent cliff-like feature on the Moon, formed by the collapse of a lava tube?
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Rupes Recta
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Hadley Rille
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Catenae
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Mons Huygens
A
Correct answer
Explanation
Rupes Recta is a prominent cliff-like feature on the Moon, stretching for approximately 120 kilometers.
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.
Which of the following is a type of desert landform?
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Sand dune
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Playa
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Desert pavement
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All of the above
D
Correct answer
Explanation
Sand dunes, playas, and desert pavements are all types of desert landforms that are formed by the erosion of 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.