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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 6 · 24 questions

TOPIC PRACTICE

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24 questions

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  1. Only marine deposition
  2. Abrasion and plucking
  3. Only loess deposition
  4. Only river flood
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  1. Height of sea tide
  2. Age of cave
  3. Former direction of ice movement
  4. Salinity at river mouth
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  1. Both are always equally sorted
  2. Moraine is marine coral and outwash is loess
  3. Both are only cave deposits
  4. Moraine is often unsorted and outwash is sorted by meltwater
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  1. Indicator of former ice-flow direction
  2. Indicator of wave height
  3. Indicator of karst acidity
  4. Indicator of delta salinity
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  1. Tributary valley lies below the main valley
  2. Tributary valley remains higher than the main glacial valley
  3. Wind fills the valley
  4. A delta forms at the river mouth
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  1. Silt deposition in delta
  2. Formation of barchan
  3. Collapse of the upper cliff
  4. Growth of stalagmite
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  1. Stack then delta then cave
  2. Arch then loess then moraine
  3. Delta then spit then cave
  4. Cave then arch then stack
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  1. It transports sediment parallel to the coast and can form spits and bars
  2. It makes glaciers form U-shaped valleys
  3. It dissolves limestone underground
  4. It stabilizes mountain slopes
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  1. It turns a river into a mountain
  2. It partly separates shallow water from the sea
  3. It melts a glacier
  4. It always stops landslides
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  1. Very high wave energy and little sediment
  2. Hard and jointless rock
  3. Low wave energy and high sediment supply
  4. Continuous toe erosion and steep slope
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  1. It sorts a delta
  2. It deposits loess
  3. It forms glacial scratches
  4. Trapped air in cracks is compressed and weakens rock
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  1. Chemical solution of limestone
  2. Bouncing of sand by wind
  3. Deposition of till by glacier
  4. Formation of point bar by river
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  1. Growth of barchan horns
  2. Collapse of the roof of an underground cavity
  3. Curving of a coastal spit
  4. Sorting of glacial moraine
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  1. Stalactite grows upward and stalagmite downward
  2. Both grow only horizontally
  3. Stalactite grows downward from roof and stalagmite upward from floor
  4. Both form only in river bed
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  1. When a river undercuts a slope toe
  2. When wind deposits loess
  3. When a glacier cuts a valley
  4. When stalactite and stalagmite join
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  1. Weak rock erodes faster and resistant rock may stand out
  2. All rocks erode at the same rate
  3. Rock resistance has no effect
  4. Only color changes and not form
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  1. Load is far greater than capacity
  2. River energy is high and sediment supply is low
  3. River enters a quiet lake
  4. Velocity suddenly decreases greatly
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  1. It only changes color
  2. It always occurs in sea
  3. It forms deep channels and dissects land
  4. It necessarily increases soil depth
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  1. It reduces slope length and lowers water velocity
  2. It blocks drainage and increases pressure
  3. It removes all vegetation
  4. It makes the river flow backward
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  1. It increases marine deposition
  2. It reduces vegetation and exposes soil to rain and runoff
  3. It stabilizes glaciers
  4. It closes karst caves
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  1. Dominance of deposition
  2. Excessive sediment accumulation
  3. Tendency of erosion or sediment deficit
  4. Immediate delta expansion
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  1. Because landscape keeps adjusting to energy load and resistance
  2. Because no process occurs on Earth
  3. Because change happens only in seas
  4. Because gravity is always absent
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  1. Rock is eroded then particles are carried by river then deposited as velocity falls
  2. Cave column forming without water
  3. Change in wind color
  4. Change in glacier name
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  1. Only deposition
  2. Differential erosion
  3. Only glacial sorting
  4. Complete stability

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