Geography ยท Environmental Studies
Geomorphic Processes
2,085 Questions
Geomorphic processes shape the Earth surface through physical mechanisms like weathering, erosion, and deposition. This topic covers soil formation, glacial movement, and coastal landform development. It forms a core component of physical geography in major competitive examinations.
Soil erosion controlGlacial movementCoastal landformsSedimentary rock formationWeathering processes
Geomorphic Processes Questions
What is the process by which coral reefs are formed?
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Erosion
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Sedimentation
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Coral Growth
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Volcanic Activity
C
Correct answer
Explanation
Coral reefs are formed through the growth and accumulation of coral skeletons, which are deposited on top of each other over time.
What is the term for a low, sandy island formed by the accumulation of sediment and coral debris?
B
Correct answer
Explanation
A cay is a low, sandy island formed on top of a coral reef or shoal, typically found in tropical waters.
What is the primary mechanism responsible for the formation of karst landscapes?
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Erosion by wind
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Glacial processes
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Dissolution by water
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Volcanic activity
C
Correct answer
Explanation
Karst landscapes are formed primarily through the dissolution of soluble rocks, such as limestone, dolomite, and gypsum, by water.
Which of the following is a characteristic landform found in karst regions?
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Sand dunes
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Meanders
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Sinkholes
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Escarpments
C
Correct answer
Explanation
Sinkholes are depressions in the ground caused by the collapse of underlying caves or the dissolution of soluble bedrock.
What is the term used to describe the process of water seeping through cracks and joints in karst rocks?
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Percolation
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Infiltration
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Evaporation
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Condensation
A
Correct answer
Explanation
Percolation refers to the downward movement of water through soil and rock layers.
What is the term used to describe the formation of underground channels and caves in karst landscapes?
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Weathering
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Erosion
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Dissolution
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Speleogenesis
D
Correct answer
Explanation
Speleogenesis refers to the processes that lead to the formation of caves and other subterranean features in karst landscapes.
What is the term used to describe the process of water flowing over and eroding the surface of karst landscapes?
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Infiltration
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Percolation
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Runoff
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Evaporation
C
Correct answer
Explanation
Runoff refers to the flow of water over the land surface, which can cause erosion in karst landscapes.
Which of the following is an example of a karst region with significant polje landscapes?
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Great Barrier Reef
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Atacama Desert
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Dinaric Alps
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Gobi Desert
C
Correct answer
Explanation
The Dinaric Alps region in southeastern Europe is known for its extensive polje landscapes, which are enclosed depressions surrounded by mountains.
What is the term used to describe the process of water dissolving and transporting soluble minerals from karst rocks?
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Weathering
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Erosion
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Dissolution
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Speleogenesis
C
Correct answer
Explanation
Dissolution refers to the process by which water dissolves soluble minerals, such as calcium carbonate, from karst rocks.
Which of the following is an example of a karst region with prominent tower karst landscapes?
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Great Plains
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Andes Mountains
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Guilin, China
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Sahara Desert
C
Correct answer
Explanation
Guilin, China is renowned for its spectacular tower karst landscapes, characterized by steep-sided hills and pinnacles.
What is the term used to describe the process of water seeping into and moving through the subsurface of karst landscapes?
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Infiltration
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Percolation
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Evaporation
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Condensation
A
Correct answer
Explanation
Infiltration refers to the process of water entering the ground surface and moving into the subsurface.
What is the term used to describe the process of water eroding and transporting sediment from karst landscapes?
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Weathering
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Erosion
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Dissolution
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Speleogenesis
B
Correct answer
Explanation
Erosion refers to the process by which water, wind, and other agents wear away and transport sediment from the land surface.
What is the term used to describe the process of water evaporating from the surface of karst landscapes?
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Infiltration
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Percolation
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Evaporation
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Condensation
C
Correct answer
Explanation
Evaporation refers to the process by which water changes from a liquid to a gas and enters the atmosphere.
What is the term for the process by which coral reefs grow vertically in response to rising sea levels?
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Uplift
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Accretion
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Submergence
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Erosion
B
Correct answer
Explanation
Coral reefs can grow vertically through a process called accretion, allowing them to keep pace with rising sea levels.
Which type of island is formed by the deposition of sediment by rivers and streams?
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Continental Island
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Volcanic Island
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Barrier Island
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Delta Island
D
Correct answer
Explanation
Delta islands are formed by the deposition of sediment by rivers and streams.