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In which condition does natural increase occur?

Answer and explanation

Correct answer: Births are more than deaths

Direct answer: A, natural increase occurs when births are more than deaths. Natural increase measures population change caused only by births and deaths; migration is not included in this specific measure. The basic relationship is natural increase = births − deaths. If births exceed deaths, the result is positive and natural increase occurs. If deaths exceed births, the result is negative. If births and deaths are equal, natural increase is zero. Option A is correct because it gives the condition for a positive natural increase. Option B is wrong because it produces a natural decrease. Option C is wrong because equal zero values give no natural increase, not positive increase. Option D is wrong because migration is a separate process and the phrase has no demographic meaning. Memory cue: compare births first with deaths; more births means positive natural increase.

Related tags

Natural IncreaseBirthsDeathsPopulation ChangePopulation GrowthPopulationGeographyClass 9 Mcq

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