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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.

Hard · Level 3 · 25 questions

Practice questions

01Under which condition can the threshold of slope failure be crossed most quickly?

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02What is the role of lubrication in mass movement?

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03What is the most important difference between slow soil creep and rapid debris flow?

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04If rock beds in a hillside dip in the same direction as the slope, why can risk increase?

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05What mainly causes a waterfall to retreat in the upper course of a river?

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06How does valley form change when lateral erosion by a river increases?

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07What will be the combined effect of high sediment load and low river velocity?

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08Which statement correctly differentiates an alluvial fan from a delta?

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09How do particles move during saltation by wind?

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10What happens to fine particles during the formation of desert pavement?

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11Which condition is most suitable for the formation of a barchan dune?

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12In wind erosion, a ventifact is an example of what?

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13Why can loess deposits often be fertile?

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14What causes a hanging valley in a glaciated region?

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15Under which condition is glacial plucking more effective?

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16Which is the correct difference between moraine and esker?

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17What type of landform is an arête formed by glaciers?

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18How does rock break during hydraulic action of sea waves?

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19Longshore drift is more helpful in forming which landform?

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20On which coast is a sea cave more likely to form?

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21What is a possible reason for dry valleys in karst regions?

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22What role do water drops play in stalactite growth?

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23How can groundwater cause both erosion and deposition?

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24Why do fine sediments spread far over a river floodplain?

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25Which sign can indicate river rejuvenation?

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