Action of Winds - SS1 Geography Past Questions and Answers - page 1
1
What is the primary process of wind erosion that involves particles colliding with each other?
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A
Abrasion
B
Attrition
C
Deflation
2
Which landform is characterized by its crescent shape with a gentle windward slope and a steeper leeward slope?
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A
Rock pedestal
B
Barchan
C
Yardang
3
What do you call the elongated sand dunes that align parallel to the prevailing wind direction?
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A
Seif dunes
B
Yardangs
C
Zeugens
4
Which wind-eroded landform is characterized by a raised rock perched on top, resulting from the erosion of its base?
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A
Loess
B
Yardang
C
Rock pedestal
5
Parabolic dunes are typically found in which type of environment?
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A
Coastal areas
B
Deserts
C
Mountain ranges
6
What process of wind erosion leads to the removal of fine-grained materials like sand, silt, and clay from the Earth's surface?
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A
Abrasion
B
Attrition
C
Deflation
7
Which type of dunes often has a complex, multi-crested shape with several arms or ridges radiating from a central point?
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A
Barchans
B
Star dunes
C
Parabolic dunes
8
What type of dunes have the open end pointing into the wind and often form in regions with vegetation?
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A
Barchans
B
Star dunes
C
Parabolic dunes
9
What is the term for the deposit of fine, wind-blown silt and clay particles that often covers vast areas and is fertile for agriculture?
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A
Yardang
B
Loess
C
Nebkha
10
Which feature plays a crucial role in stabilizing desert soils and preventing further wind erosion?
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A
Star dunes
B
Nebkhas
C
Seif dunes
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