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Subjects

Geography

Factors Affecting Vegetation

वनस्पति को प्रभावित करने वाले कारक

In this Class 9 Geography topic from “Natural Vegetation and Wildlife,” students learn why different regions support different kinds of plants. They examine how temperature, rainfall, sunlight, soil, relief, altitude, and slope influence the growth and distribution of natural vegetation. The topic also helps them connect vegetation patterns with climate and landforms, and understand how human activities can alter plant cover. These ideas build a clear foundation for reading India’s varied landscapes and vegetation regions.

TOPIC PRACTICE

Quiz this set

Up to 20 questions from this page. Select your focus, then start.

20 questions

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Hard · Level 59 · high rainfall,drainage,root damage
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  1. Because high rainfall always destroys vegetation
  2. Because poor drainage or thin soil can damage roots
  3. Because sunlight has no relation with plants
  4. Because temperature always remains same
Hard · Level 59 · desert vegetation,adaptation,water loss
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  1. To stop photosynthesis
  2. To separate roots from soil
  3. To reduce water loss
  4. To increase rainfall
Hard · Level 59 · altitude,vegetation belts,mountain climate
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  1. Human language change
  2. Road density change
  3. Market price change
  4. Change in temperature moisture and growing period
Hard · Level 59 · slope,soil erosion,vegetation
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  1. Roots will get less support and nutrients
  2. Dense evergreen forests will form immediately
  3. Mangroves will grow automatically
  4. Plants will not need soil
Hard · Level 59 · sandy soil,low rainfall,water availability
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  1. Because sandy soil always increases nutrients
  2. Because water is less and the available water drains quickly
  3. Because sunlight is not available at all
  4. Because altitude is always high
Hard · Level 59 · mangroves,saline soil,coastal areas
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  1. They grow only in Himalayan snow
  2. They grow only in dry desert
  3. They are adapted to saline marshy coastal water and soil
  4. They grow only in cities
Hard · Level 59 · photoperiod,photosynthesis,fertile soil
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  1. Because soil will disappear automatically
  2. Because rainfall will always stop
  3. Because roots will leave soil
  4. Because plants will not get enough light for photosynthesis and development
Hard · Level 59 · deciduous forest,dry season,water conservation
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  1. By reducing water loss in the dry season
  2. By floating in highly saline water
  3. By increasing snowfall
  4. By removing soil completely
Hard · Level 59 · evergreen forest,thorny vegetation,climate
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  1. Both occur in the same climate
  2. Evergreen occurs in high humidity and thorny vegetation in low rainfall
  3. Thorny forests occur only in snow
  4. Evergreen forests occur only in deserts
Hard · Level 59 · deforestation,overgrazing,land degradation
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  1. Both always make soil deeper
  2. Both immediately increase rainfall
  3. Both reduce vegetation cover and leave soil exposed
  4. Both reduce sea level
Hard · Level 59 · agriculture expansion,habitat loss,land use
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  1. Green cover will always increase
  2. Wildlife habitat will increase
  3. Soil erosion will completely stop
  4. Natural vegetation and habitats may decrease
Hard · Level 59 · rainfall,soil temperature,human impact
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  1. Soil temperature slope and human impact may differ
  2. Rainfall has no relation with vegetation
  3. Plants are same everywhere
  4. Latitude has no effect
Hard · Level 59 · grassland,limited rainfall,vegetation type
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  1. Where rainfall is very high and moisture is permanent
  2. Where rainfall is low for trees but enough for grasses
  3. Where there is no soil
  4. Where there is only saline sea water
Hard · Level 59 · alpine vegetation,tree line,cold climate
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  1. Because saline water is always present there
  2. Because only desert heat occurs there
  3. Because low temperature and short growing season limit trees
  4. Because rainfall never occurs there
Hard · Level 59 · urbanisation,land use,green habitat
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  1. Because vegetation always increases in cities
  2. Because urbanisation always doubles rainfall
  3. Because roads and buildings change soil drainage and green habitats
  4. Because urbanisation has no relation with land
Hard · Level 59 · protected areas,biodiversity,conservation
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  1. For road expansion
  2. For agricultural expansion
  3. For increasing mining
  4. To conserve biodiversity habitat and ecological balance
Hard · Level 59 · latitude,photoperiod,vegetation
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  1. By changing temperature photoperiod and intensity of sun rays
  2. By changing railway routes
  3. By changing language
  4. By instantly making soil saline
Hard · Level 59 · fertile soil,waterlogging,root rot
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  1. Vegetation will always double
  2. There will be risk of lack of air and rot in roots
  3. Sunlight will stop completely
  4. There will be no effect on vegetation
Hard · Level 59 · soil depth,roots,nutrients
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  1. Thin soil always promotes deep roots
  2. Deep soil blocks sunlight
  3. Deep soil helps roots spread and take water and nutrients
  4. Soil depth has no effect
Hard · Level 59 · vegetation cover,water cycle,transpiration
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  1. Transpiration and water conservation in soil may decrease
  2. Sun will always stop
  3. Sea will form immediately
  4. Rainfall will become same everywhere