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Subjects

Geography

Mass movements, erosion, and deposition

In Class 11 Geography, this topic within “Geomorphic Processes” explains how weathering, gravity, running water, wind, glaciers, waves, and underground water reshape the land. Students learn to distinguish mass movements such as landslides and soil creep from erosion, examine how sediments are transported, and understand deposition that builds features such as fans, floodplains, dunes, moraines, and deltas. It connects processes, landforms, and environmental impacts through clear geographical examples.

Expert · Level 6 · 23 questions

Practice questions

01What can be inferred about wind from the orientation of a barchan dune?

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02What is plucking in glacial erosion?

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03Which sign is found on rock surfaces formed by glacial abrasion?

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04A U-shaped valley indicates dominance of which process?

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05What type of landform is a moraine?

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06What is the basic difference between an esker and a moraine?

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07How is a wave-cut platform formed in marine erosion?

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08The sequence from sea cave to arch and then stack depends on what?

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09Which process is necessary for spit formation on a coast?

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10When does beach deposition increase on a coast?

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11What is the main cause of sinkhole formation in karst regions?

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12Stalactites and stalagmites are formed by which type of process?

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13What is the relation between alluvial fans and bajada in arid regions with ephemeral streams?

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14Why can debris flow on a hill slope after heavy rain be dangerous?

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15Why does removal of vegetation increase both erosion and mass movement on slopes?

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16Why is soil erosion controlled not only by rainfall amount but also by rainfall intensity?

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17How can a sudden increase in sediment load affect a river channel?

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18Why is vertical erosion greater in a steep mountain river?

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19What can be the result of differential erosion in an area with hard and soft rock layers?

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20How can river erosion at the foot of a slope trigger landslides?

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21What does the order of particle size in deposition generally indicate?

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22In which condition can weathering mass movement and erosion form a sequence on the same slope?

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23Under which condition does a slope of loose sediment become unstable by exceeding its angle of repose?

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