Geography ยท Environmental Studies
Geomorphic Processes
2,120 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
Which type of erosion control material is often used to stabilize slopes and embankments?
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Turf reinforcement mats
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Geosynthetic clay liners
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Geogrids
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Geotextile tubes
A
Correct answer
Explanation
Turf reinforcement mats are commonly used to stabilize slopes and embankments by providing a protective layer that promotes vegetation growth and reduces erosion.
Which erosion control material is commonly used in channels and waterways?
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Geotextile tubes
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Gabions
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Geocells
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Sandbags
A
Correct answer
Explanation
Geotextile tubes are often used in channels and waterways to provide erosion protection, reduce flow velocity, and stabilize riverbanks.
Which erosion control material is often used in temporary applications, such as construction sites?
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Sandbags
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Geotextile tubes
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Gabions
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Turf reinforcement mats
A
Correct answer
Explanation
Sandbags are commonly used in temporary erosion control applications, such as construction sites, to provide quick and easy protection against soil erosion.
Which material is commonly used for erosion control in agricultural areas?
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Straw wattles
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Geotextile tubes
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Gabions
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Geocells
A
Correct answer
Explanation
Straw wattles are commonly used in agricultural areas for erosion control, as they help slow down water flow, trap sediment, and promote vegetation growth.
Which erosion control material is often used to protect against scour around bridge piers?
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Riprap
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Gabions
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Geotextile tubes
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Sandbags
A
Correct answer
Explanation
Riprap is commonly used to protect against scour around bridge piers due to its ability to withstand high water flows and provide structural stability.
What is the process by which coral reefs are formed?
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Erosion
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Sedimentation
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Photosynthesis
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Biomineralization
D
Correct answer
Explanation
Coral reefs are formed through the process of biomineralization, where coral polyps secrete calcium carbonate to build their skeletons, which accumulate over time to form large reef structures.
What is the most effective way to prevent sedimentation from basalt quarrying?
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Construction of sediment retention ponds
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Implementation of erosion control measures
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Revegetation of disturbed areas
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All of the above
D
Correct answer
Explanation
A combination of strategies, including sediment retention ponds, erosion control measures, and revegetation, is necessary to effectively prevent sedimentation from basalt quarrying.
What is the process by which soil becomes more acidic?
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Acidification
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Alkalization
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Salinization
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Erosion
A
Correct answer
Explanation
Acidification is the process by which soil becomes more acidic, typically due to the deposition of acidic compounds from the atmosphere or the leaching of nutrients from the soil.
What is the term used to describe the process of sediment transport along coastlines?
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Longshore Drift
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Rip Currents
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Beach Nourishment
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Coastal Erosion
A
Correct answer
Explanation
Longshore drift is the process by which sediment is transported along coastlines by waves and currents, shaping beaches and barrier islands.
What is the term used to describe the process of sediment deposition at the mouth of a river?
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Delta Formation
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Barrier Island Formation
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Beach Nourishment
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Coastal Erosion
A
Correct answer
Explanation
Delta formation occurs when sediment carried by a river is deposited at its mouth, creating a fan-shaped landform.
What is the term used to describe the process of seawater intrusion into coastal aquifers?
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Salinization
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Desalination
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Aquifer Recharge
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Coastal Erosion
A
Correct answer
Explanation
Salinization refers to the process where seawater intrudes into coastal aquifers, increasing the salinity of groundwater.
What is the term used to describe the process of sediment removal from coastal areas?
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Coastal Erosion
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Sedimentation
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Beach Nourishment
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Longshore Drift
A
Correct answer
Explanation
Coastal erosion refers to the process where sediment is removed from coastal areas by waves, currents, and other natural forces.
What is the term for the process by which glaciers move?
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Calving
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Ablation
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Crevassing
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Surging
D
Correct answer
Explanation
Surging is the term for the process by which glaciers move rapidly forward, often over a short period of time.
What is the term for the process by which icebergs break off from glaciers?
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Calving
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Ablation
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Crevassing
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Surging
A
Correct answer
Explanation
Calving is the term for the process by which icebergs break off from glaciers.
What is the term for the process by which glaciers melt?
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Calving
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Ablation
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Crevassing
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Surging
B
Correct answer
Explanation
Ablation is the term for the process by which glaciers melt.