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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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Expert · Level 58 · mangroves,delta,saline marsh
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  1. Extreme cold and dry air
  2. Altitude and snowfall
  3. Saline water, marshy soil and tidal influence
  4. Low rainfall and sandy land
Expert · Level 58 · transpiration,thorny vegetation,dry adaptation
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  1. Completely stopping photosynthesis
  2. Stopping soil formation
  3. Increasing river flow
  4. Water loss through transpiration
Expert · Level 58 · fertile plains,land use,human impact
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  1. Such land is used more for farming and settlement
  2. Plains never have soil
  3. Plains are always snow-covered
  4. Fertile land is unsuitable for plants
Expert · Level 58 · climate,temperature,rainfall,photoperiod
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  1. Language decides plant height
  2. Temperature, rainfall and light decide growth limits of plants
  3. State boundary forms roots of vegetation
  4. Market distance creates evergreen forests
Expert · Level 58 · deciduous forests,dry season,water saving
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  1. They remain waterlogged throughout the year
  2. They tolerate salt
  3. They shed leaves in dry season to save water
  4. They change altitude
Expert · Level 58 · latitude,coastal inland,vegetation variation
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  1. When both have same climate, soil and altitude
  2. When one area is humid coastal and the other is dry inland
  3. When both have equal rainfall
  4. When both have same land use
Expert · Level 58 · photoperiod,daylight,flowering
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  1. It affects growth and flowering by determining daylight duration
  2. It removes soil salinity
  3. It makes rainfall permanent
  4. It flattens mountains
Expert · Level 58 · cold dry climate,sparse vegetation,growth limitation
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  1. Dense evergreen forests will form
  2. Vegetation may be limited, short and sparse
  3. Mangroves will spread rapidly
  4. Rice will become natural vegetation
Expert · Level 58 · grassland,moderate rainfall,moisture gradient
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  1. Because moisture may be enough for grasses but limited for dense trees
  2. Because there is always saline water
  3. Because there is no sunlight
  4. Because grassland occurs only in glaciers
Expert · Level 58 · vegetation loss,wildlife,habitat
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  1. All animals will get more food
  2. Availability of habitat and food will decrease
  3. Wildlife will become marine animals
  4. Photoperiod will end
Expert · Level 58 · soil salinity,mangroves,coastal marsh
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  1. Mangroves in sandy desert
  2. Mangroves in saline coastal marshes
  3. Cactus on cold mountain
  4. Alpine moss in deep loam soil
Expert · Level 58 · waterlogging,marshy vegetation,drainage
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  1. Drought-resistant desert cactus
  2. Vegetation tolerant of waterlogging and marshy conditions
  3. Alpine snowy grass
  4. Completely plantless land
Expert · Level 58 · India,vegetation diversity,climate soil relief
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  1. Because all areas have equal rainfall
  2. Because climate, soil, altitude and land use vary greatly
  3. Because India has only one vegetation type
  4. Because climate has no effect on vegetation
Expert · Level 58 · vegetation map,altitudinal belts,mountains
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  1. State boundary is changing
  2. Roads are in same direction
  3. Temperature and moisture are changing with altitude
  4. All plants are same
Expert · Level 58 · temperature,high rainfall,tropical evergreen
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  1. Because low temperature limits tropical growth
  2. Because rainfall is harmful for plants
  3. Because soil has no relation with vegetation
  4. Because photoperiod is always zero
Expert · Level 58 · human impact,agriculture,land use change
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  1. Where flat fertile land is converted to large-scale farming
  2. Where temperature decreases on high mountains
  3. Where photoperiod changes seasonally
  4. Where rainfall is naturally high
Expert · Level 58 · leaf structure,water availability,adaptation
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  1. Moist areas may have broad leaves and dry areas may have small or thorny leaves
  2. Leaves are same in every area
  3. Dry areas always have submerged leaves
  4. Broad leaves are the best desert water saving method
Expert · Level 58 · incorrect matching,evergreen forest,low rainfall
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  1. Saline marshy soil and mangroves
  2. Low rainfall and thorny scrub
  3. High cold land and alpine vegetation
  4. Very low rainfall and dense evergreen forests
Expert · Level 58 · soil nutrients,favourable climate,plant growth
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  1. Vegetation growth may be limited
  2. Soil will have no effect on vegetation
  3. Every plant will have same height
  4. Mangroves will form automatically
Expert · Level 58 · rainfall distribution,dry period,vegetation stress
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  1. Even with equal total rainfall, a long dry period can stress vegetation
  2. Rainfall distribution has no effect
  3. Low total rainfall always forms mangroves
  4. Rainfall affects only animals