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On what basis is natural increase correctly understood?

Answer and explanation

Correct answer: By the difference between births and deaths

Answer: A, the difference between births and deaths. Natural increase means the change produced naturally within a population, so we compare the number of live births with the number of deaths during a particular period. In simple form: natural increase = births − deaths. Migration is not included in this measure; migration is studied separately as movement into or out of a region. A is correct because it gives the exact basis of natural increase. B is wrong because in-migration and out-migration describe migration balance, not natural increase. C is related to population density, not natural increase. D contains population characteristics, but literacy and sex ratio do not calculate natural increase. Memory cue: natural means births and deaths; total change also adds migration.

Related tags

Natural IncreaseBirthsDeathsPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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