The nature of vegetation depends most on which conditions?
Correct answer: A
Vegetation is closely linked with natural conditions. Exam tip: remember climate soil and relief as main factors.
View question detailsGeography
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
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Easy · Level 62 · vegetation factors,climate,relief
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- Climate soil and relief
- Only road and market
- Only language and dress
- Only population and sports
Easy · Level 76 · rainfall,water,vegetation
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- Sunlight
- Rainfall
- Language
- Road
Easy · Level 76 · evergreen forest,humid climate,high rainfall
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- Thorny shrubs
- Desert grass
- Evergreen forests
- Alpine moss
Easy · Level 62 · dry region,small leaves,adaptation
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- To create more shade
- To make soil heavy
- To stop birds
- To reduce water loss
Easy · Level 76 · temperature,plant growth,climate
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- It helps the process of growth
- It always stops roots
- It removes soil
- It blocks sunlight
Easy · Level 76 · photoperiod,sunlight,flowering
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- Building construction
- Flowering and growth
- Road making
- River length
Easy · Level 76 · photosynthesis,sunlight,plant food
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- Erosion
- Waterlogging
- Photosynthesis
- Deforestation
Easy · Level 76 · soil,nutrients,roots
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- Colour sound and language
- Road water and market
- Air moon and river
- Nutrients water and root support
Easy · Level 62 · fertile soil,plant growth,soil nutrients,humus,vegetation factors
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- Fertile soil
- Very dry sandy soil
- Stony soil
- Highly saline soil
Easy · Level 76 · sandy soil,water holding,soil moisture
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- Because it drains water quickly
- Because it is always ice
- Because it blocks sunlight
- Because it changes language
Easy · Level 62 · mangroves,coastal area,saline soil
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- Dry deserts
- Coastal marshy and saline areas
- Snow of high Himalaya
- Dry plateau rocks
Easy · Level 62 · altitude,temperature,vegetation zones
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- Because temperature and moisture change
- Because language changes
- Because roads are fewer
- Because currency changes
Easy · Level 62 · slope,soil erosion,relief
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- Slope can change soil erosion and water runoff
- Slope changes language
- Slope always stops sun
- Slope gives food to plants
Easy · Level 76 · plains,deep soil,vegetation
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- Due to deep soil and water availability
- Due to permanent snowfall
- Due to very steep slope
- Due to absence of soil
Easy · Level 62 · drainage,waterlogging,root rot,soil aeration,plant growth,natural vegetation
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- Excessive sunlight
- Lack of air
- Waterlogging and root rot
- Increase in altitude
Easy · Level 62 · waterlogging,soil,root damage
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- Roots get less air
- Sunlight increases too much
- Soil becomes gold
- Rainfall ends
Easy · Level 62 · deciduous trees,dry season,transpiration,water conservation,natural vegetation
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- To reduce water loss through transpiration
- To immediately increase humus in the soil
- To prevent sunlight from reaching the roots
- To stop the growth of new roots
Easy · Level 62 · seasonal rainfall,deciduous forest,vegetation
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- Deciduous forests
- Only mangroves
- Only alpine grass
- Only snowy forests
Easy · Level 62 · thorny vegetation,low rainfall,heat
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- Thorny plants
- Evergreen trees
- Mangroves
- Deodar
Easy · Level 62 · alpine vegetation,high altitude,himalaya
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- High mountain areas
- Saline coastal marshes
- Hot plains
- Coastal cities
Which factor most directly affects water availability for plants?
Correct answer: B
Rainfall gives water to plants and moisture to soil. Exam tip: connect rainfall with vegetation density.
View question detailsWhich vegetation grows well in very high rainfall and warm climate?
Correct answer: C
Warm and humid areas are suitable for evergreen forests. Exam tip: connect high rainfall with dense forests.
View question detailsWhy are plant leaves small in dry regions?
Correct answer: D
Small leaves reduce transpiration and help save water. Exam tip: remember this as desert adaptation.
View question detailsWhy is suitable temperature necessary for plants?
Correct answer: A
Suitable temperature is necessary for plant growth. Exam tip: treat temperature as a climatic factor.
View question detailsPhotoperiod can affect which plant activity?
Correct answer: B
Duration of sunlight can affect plant growth and flowering. Exam tip: remember photoperiod as duration of sunlight.
View question detailsPlants use sunlight in which process?
Correct answer: C
Plants make their food through photosynthesis. Exam tip: remember the link between sunlight and food making.
View question detailsWhich three main supports does soil give to plants?
Correct answer: D
Soil gives root support and nutrients to plants. Exam tip: understand soil as the base of plants.
View question detailsIn which soil is plant growth generally good?
Correct answer: A
Fertile soil contains adequate humus and essential nutrients, and it retains suitable moisture for plant growth. Therefore, plants generally grow well in fertile soil. In very dry sandy soil, water and nutrients drain away quickly. Exam tip: link healthy vegetation growth with nutrients, moisture, and suitable soil structure.
View question detailsWhy may plants get less water in sandy soil?
Correct answer: A
Sandy soil may have low water holding capacity. Exam tip: connect water holding capacity with vegetation.
View question detailsMangrove forests are found in which areas?
Correct answer: B
Mangroves grow in saline and marshy coastal areas. Exam tip: connect mangroves with sea coast.
View question detailsWhy does vegetation change with increasing altitude?
Correct answer: A
Temperature decreases with altitude and plant types change. Exam tip: remember altitude and vegetation zones.
View question detailsHow can slope in relief affect vegetation?
Correct answer: A
Soil can be washed away on slopes and vegetation is affected. Exam tip: remember the link between slope and erosion.
View question detailsWhy can vegetation be good in plains?
Correct answer: A
Deep soil in plains helps roots spread. Exam tip: remember the link between plains and fertile soil.
View question detailsGood drainage protects plants from which problem?
Correct answer: C
Good drainage removes excess water from the soil. It prevents water from collecting around roots, maintains air spaces in the soil, and reduces root rot. Lack of air may result from waterlogging, but drainage directly prevents waterlogging and root rot. Exam tip: link drainage with oxygen around roots and prevention of root decay.
View question detailsWhy can waterlogged soil be harmful for plants?
Correct answer: A
Waterlogging can create lack of air around roots. Exam tip: connect waterlogging with root damage.
View question detailsWhy do deciduous trees shed leaves in dry season?
Correct answer: A
During the dry season, less water is available in the soil. Water is lost through transpiration from stomata in the leaves, so deciduous trees shed their leaves to reduce this loss. Fallen leaves may later add humus to the soil, but that is not the main reason for leaf fall. Exam tip: remember that deciduous vegetation conserves water by shedding leaves in a dry period.
View question detailsWhich forests can be common in areas with seasonal rainfall?
Correct answer: A
Seasonal rainfall supports trees that shed leaves in dry time. Exam tip: connect deciduous forests with seasonal rainfall.
View question detailsWhich plants are more suitable in areas of low rainfall and high heat?
Correct answer: A
Thorny plants are adapted to save water. Exam tip: connect low rainfall with thorny vegetation.
View question detailsAlpine vegetation is linked with which areas?
Correct answer: A
Alpine vegetation occurs at high altitude and cold conditions. Exam tip: connect it with Himalayan heights.
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