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 are the two main types of springs?
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Cold springs and hot springs
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Perennial springs and intermittent springs
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Confined springs and unconfined springs
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Artesian springs and non-artesian springs
A
Correct answer
Explanation
Springs are classified into two main types based on their water temperature: cold springs and hot springs.
In rock climbing, what is the term used to describe a section of a rock face that is particularly difficult or challenging to climb?
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Overhang
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Chimney
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Crack
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Dihedral
A
Correct answer
Explanation
An overhang in rock climbing is a section of a rock face that is particularly difficult or challenging to climb because it extends beyond the vertical, creating a roof-like structure.
What is the most common type of cave formation?
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Stalactites
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Stalagmites
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Columns
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Flowstone
A
Correct answer
Explanation
The most common type of cave formation is stalactites. Stalactites are formed when water seeps through the ceiling of a cave and deposits minerals on the cave floor. Over time, these minerals can build up to form long, thin columns.
What is the composition of the Moon's surface?
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Basalt
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Granite
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Sandstone
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Limestone
A
Correct answer
Explanation
The Moon's surface is primarily composed of basalt, a type of igneous rock formed from the cooling of molten lava.
What is the term for the underground layer of rock or soil that contains groundwater?
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Aquifer
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Artesian Aquifer
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Confined Aquifer
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Unconfined Aquifer
A
Correct answer
Explanation
An aquifer is an underground layer of rock or soil that contains groundwater. Artesian aquifers are aquifers in which the water is under pressure, confined aquifers are aquifers in which the water is not under pressure, and unconfined aquifers are aquifers in which the water is not under pressure and is free to move.
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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Pyroxene
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Olivine
B
Correct answer
Explanation
Feldspar is the most common mineral in the Earth's crust, comprising approximately 60% of its volume.
Which rock type is formed from the cooling and solidification of molten rock?
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Igneous
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Sedimentary
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Metamorphic
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Hydrothermal
A
Correct answer
Explanation
Igneous rocks are formed when molten rock (magma or lava) cools and solidifies.
Which type of rock is formed from the compaction and cementation of sediments?
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Igneous
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Sedimentary
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Metamorphic
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Hydrothermal
B
Correct answer
Explanation
Sedimentary rocks are formed from the compaction and cementation of sediments, such as sand, mud, and organic matter.
What is the term for a rock that is composed of large, interlocking crystals?
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Igneous
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Sedimentary
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Metamorphic
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Phaneritic
D
Correct answer
Explanation
Phaneritic rocks are characterized by large, interlocking crystals that are visible to the naked eye.
Which rock type is formed from the cooling and solidification of magma beneath the Earth's surface?
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Igneous
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Sedimentary
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Metamorphic
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Hydrothermal
A
Correct answer
Explanation
Igneous rocks are formed from the cooling and solidification of magma or lava, whether it occurs above or below the Earth's surface.
What is the term for a rock that is composed of small, interlocking crystals?
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Igneous
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Sedimentary
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Metamorphic
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Aphanitic
D
Correct answer
Explanation
Aphanitic rocks are characterized by small, interlocking crystals that are not visible to the naked eye.
Which rock type is formed from the accumulation and compaction of organic matter?
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Igneous
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Sedimentary
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Metamorphic
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Hydrothermal
B
Correct answer
Explanation
Sedimentary rocks can be formed from the accumulation and compaction of organic matter, such as plant and animal remains.
What is the term for a rock that is formed from the cooling and solidification of lava on the Earth's surface?
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Igneous
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Sedimentary
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Metamorphic
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Extrusive
D
Correct answer
Explanation
Extrusive rocks are formed from the cooling and solidification of lava on the Earth's surface.
Which type of meteor is the most common?
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Fireballs
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Bolides
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Micrometeorites
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Stony Meteorites
C
Correct answer
Explanation
Micrometeorites are the most common type of meteor, making up about 99% of all meteors that enter Earth's atmosphere. They are tiny particles of dust and rock, typically ranging in size from a few micrometers to a few millimeters.
Which type of meteor is composed primarily of iron and nickel?
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Fireballs
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Bolides
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Stony Meteorites
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Iron Meteorites
D
Correct answer
Explanation
Iron meteorites are composed primarily of iron and nickel. They are less common than stony meteorites and are often found in association with stony meteorites.