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Subjects

Geography

Factors Affecting Vegetation

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.

Expert · Level 1 · 25 questions

TOPIC PRACTICE

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25 questions

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  1. Soil depth and slope can limit roots and nutrients
  2. High rainfall always stops vegetation
  3. Slope has no relation with vegetation
  4. Thin soil always gives more nutrients to plants
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  1. Temperature and moisture conditions change with altitude
  2. Upper soil is always marine
  3. Lower slopes get no sunlight
  4. Latitude changes with altitude
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  1. Vegetation is always same when rainfall is equal
  2. Soil water holding capacity and nutrients will differ
  3. Mangroves always grow in sandy soil
  4. Loamy soil does not support plants
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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
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  1. Completely stopping photosynthesis
  2. Stopping soil formation
  3. Increasing river flow
  4. Water loss through transpiration
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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  1. Slope, drainage and possibility of land use
  2. Language and currency
  3. Sports and food
  4. State and capital
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  1. Vegetation forms the base of habitat and food for wildlife
  2. Vegetation is only decoration
  3. Wildlife does not need vegetation
  4. Vegetation only measures temperature

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