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In this Class 9 Geography topic from the chapter Population, students learn how population density measures the number of people living in a unit area, usually per square kilometre. They explore the population-density formula, interpret maps and data, and compare densely and sparsely populated regions. The topic also explains how relief, climate, soil, water availability, transport, industries and employment influence settlement patterns and the distribution of population in India and around the world.
TOPIC PRACTICE
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Hard · Level 76 · population density,calculation,formulaView options
Six hundred persons per square kilometre
Two hundred persons per square kilometre
Twelve hundred persons per square kilometre
Two thousand persons per square kilometre
Hard · Level 76 · same population,area comparison,densityView options
Area B
Area A
Both equal
Density zero
Hard · Level 76 · large area,low density,total populationView options
Area is very large
Population is zero
Area is not included in density
People are not counted
Hard · Level 76 · average density,local variation,urban crowdingView options
Average density can hide local concentration
The whole district has equal density
City density cannot be measured
Density has no relation with planning
Hard · Level 76 · population increase,area constant,density increaseView options
Density will decrease
Density will increase
Density will become zero
Density will remain unchanged
Hard · Level 76 · area double,density decrease,population sameView options
Density will increase
Density will be infinite
Density will decrease
Population will double
Hard · Level 76 · density comparison,calculation,population areaView options
Area B
Both equal
Area A
Both zero
Hard · Level 76 · high density,water scarcity,planningView options
Water management and demand control
Renaming the river
Removing density data
Making area zero
Hard · Level 76 · density,growth,resource pressureView options
Density will immediately become zero
Present resource pressure can still be high
Growth and density are the same
Planning is no longer needed
Hard · Level 76 · low density,river settlement,micro distributionView options
Treating the whole area as uninhabited
Study of micro-regional distribution
Treating density as wrong
Treating river as unrelated to population
Hard · Level 76 · Bihar,high density,population area ratioView options
High population compared to area
Completely uninhabited area
Only difficult mountain terrain
Density has no relation with area
Hard · Level 76 · Arunachal Pradesh,low density,topography connectivityView options
Difficult topography, low connectivity and sparse settlement
Metropolitan cities everywhere
Extremely dense industry
Completely flat plains
Hard · Level 76 · small area,low population,high densityView options
Because density depends on area ratio
Because low population always gives high density
Because people are not counted in density
Because area has no effect
Hard · Level 76 · high density,green space,urban environmentView options
Pressure on urban environment and quality of life
Area becoming infinite
Population becoming zero
Need for green spaces ending
Hard · Level 76 · development planning,density,service demandView options
It indicates where demand for services per area will be higher
It tells only language
It changes weather
It tells number of rivers
Hard · Level 76 · high density,sanitation,public healthView options
Public health risk
Mountain formation
River length
Area expansion
Hard · Level 76 · medium density,employment,migrationView options
Employment pressure and migration
Zero area
Infinite density
Census ends
Hard · Level 76 · digital connectivity,remote work,low densityView options
Settlement attraction may increase in some remote areas
All low-density areas will remain empty
Density has no relation with connectivity
Population counting will stop
Hard · Level 76 · minerals,water housing,multifactor densityView options
Resources may attract people but lack of facilities can limit density
Density will surely be zero
Minerals automatically create every facility
Water and housing are irrelevant
Hard · Level 76 · density calculation,fifteen lakh,areaView options
Three hundred persons per square kilometre
Six hundred persons per square kilometre
Seven hundred fifty persons per square kilometre
One thousand persons per square kilometre
Question 1HardLevel 76
If an area has a population of twelve lakh and an area of two thousand square kilometres, what will be its population density?
Correct answer: A
Dividing twelve lakh by two thousand gives six hundred. Exam tip: apply ( \text{Density} = \frac{\text{Population}}{\text{Area}} ) correctly.
If Area A has ten lakh population and five hundred square kilometres area, and Area B has twenty lakh population and two thousand square kilometres area, which has higher density?
Correct answer: C
Area A has density two thousand and Area B has one thousand persons per square kilometre. Exam tip: do not decide by total population alone.
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