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Year 11 Exam  >  Year 11 Tests  >  Geography for GCSE/IGCSE  >  Test: River Processes - Year 11 MCQ

Test: River Processes - Year 11 MCQ


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10 Questions MCQ Test Geography for GCSE/IGCSE - Test: River Processes

Test: River Processes for Year 11 2024 is part of Geography for GCSE/IGCSE preparation. The Test: River Processes questions and answers have been prepared according to the Year 11 exam syllabus.The Test: River Processes MCQs are made for Year 11 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: River Processes below.
Solutions of Test: River Processes questions in English are available as part of our Geography for GCSE/IGCSE for Year 11 & Test: River Processes solutions in Hindi for Geography for GCSE/IGCSE course. Download more important topics, notes, lectures and mock test series for Year 11 Exam by signing up for free. Attempt Test: River Processes | 10 questions in 10 minutes | Mock test for Year 11 preparation | Free important questions MCQ to study Geography for GCSE/IGCSE for Year 11 Exam | Download free PDF with solutions
Test: River Processes - Question 1
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How is erosion predominantly characterized in the upper course of rivers?

Detailed Solution for Test: River Processes - Question 1
In the upper course of rivers, erosion is primarily characterized by vertical erosion. This process involves the river eroding downwards, gradually deepening both the river and the valley over time. Vertical erosion contributes to the formation of V-shaped valleys and is a key process in shaping the landscape in the upper reaches of river systems.
Test: River Processes - Question 2
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What happens to rocks and stones carried by the river in the process of attrition?

Detailed Solution for Test: River Processes - Question 2
In the process of attrition, rocks and stones carried by the river collide and break into smaller pieces. As these particles interact and impact each other during transportation in the river, they gradually become smoother over time due to the constant abrasion and friction between them. This process contributes to the rounding and smoothing of sediment particles in river channels.
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Test: River Processes - Question 3
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What is the primary process of transportation in rivers that involves the rolling of large particles along the riverbed?

Detailed Solution for Test: River Processes - Question 3
Traction is the process of transportation in rivers that involves the rolling of large particles along the riverbed. This process occurs when the force of the river's flow is sufficient to move these larger particles along the riverbed without lifting them into the water column. It is an essential mechanism for the movement of heavier materials within a river system.
Test: River Processes - Question 4
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Which process of transportation in rivers involves the bouncing of smaller particles along the riverbed in a leapfrogging motion?
Detailed Solution for Test: River Processes - Question 4
Saltation is the process of transportation in rivers where smaller particles are bounced along the riverbed in a leapfrogging motion. This process is characteristic of medium-sized particles that are too heavy to remain in suspension but are not as large as those moved through traction. Understanding saltation is crucial for grasping how different particle sizes are transported and deposited in river systems.
Test: River Processes - Question 5
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What type of transportation in rivers involves the carrying of fine particles within the flow of the river without settling to the riverbed?
Detailed Solution for Test: River Processes - Question 5
Suspension is the process of transportation in rivers where fine particles are carried within the flow of the river without settling to the riverbed. These particles remain suspended in the water column due to the upward forces of turbulence and the downward force of gravity being relatively balanced. Suspension plays a vital role in the overall transport of sediment within river systems.
Test: River Processes - Question 6
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Which process involves rocks and stones carried by the river wearing down the riverbed and banks as they are dragged along?
Detailed Solution for Test: River Processes - Question 6
The process that involves rocks and stones carried by the river wearing down the riverbed and banks as they are dragged along is known as abrasion. This mechanical process contributes to the erosion of river channels by the abrasive action of sediment particles carried by the flowing water.
Test: River Processes - Question 7
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What is the primary process that occurs when a river lacks the energy to transport materials downstream?
Detailed Solution for Test: River Processes - Question 7
When a river lacks the energy to transport materials, it undergoes a process known as deposition. This occurs when the river's energy decreases, leading to the dropping of sediments that it was previously carrying. Heavier materials are usually deposited first, while lighter materials like gravel, sand, and silt are carried further downstream. This process plays a crucial role in shaping the landscape and building various landforms over time.
Test: River Processes - Question 8
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How do the characteristics of a river evolve as it undergoes erosion, transportation, and deposition downstream?
Detailed Solution for Test: River Processes - Question 8
The characteristics of a river evolve as it progresses downstream due to erosion, transportation, and deposition processes. These changes are succinctly described in the Bradshaw model, which outlines how various factors such as discharge, velocity, channel width, and sediment size evolve along the length of a river. This model helps us understand how rivers transform from their source to their mouth, reflecting the dynamic nature of fluvial systems.
Test: River Processes - Question 9
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What change is commonly observed in the gradient of a river as it progresses from the upper course to the lower course?
Detailed Solution for Test: River Processes - Question 9
As a river moves from its upper course to its lower course, there is a common trend of the gradient diminishing. This gradual decrease in gradient is a key characteristic observed in river profiles. It signifies the transition from steeper elevations in the upper course to more gentle slopes in the lower course, ultimately leading to near-flat levels as the river approaches its outlet.
Test: River Processes - Question 10
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What feature is typically associated with river cross profiles in the upper course of a river?
Detailed Solution for Test: River Processes - Question 10
River cross profiles in the upper course of a river are characterized by steep valley sides and high velocity. These attributes contribute to the shaping of the landscape in this region, showcasing the dynamic nature of river channels as they interact with the surrounding terrain. The combination of steep valley sides and high velocity influences erosion patterns and sediment transport, playing a significant role in shaping the overall cross-sectional profile of the river.
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