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Which option gives the correct group of components of population growth?

Answer and explanation

Correct answer: Births, deaths and migration

Direct answer: Option A. Population growth is determined by demographic components: births, deaths and migration. Births increase the number of people, deaths decrease it, and migration changes the population when people enter or leave an area. A useful equation is change = births − deaths + in-migration − out-migration. Option A contains the three broad components correctly. Option B lists soil, climate and slope. These are physical factors that may influence where people live, but they are not direct components of population growth. Option C lists water bodies, which may affect settlement but do not themselves measure demographic change. Option D lists parts of the natural environment and wildlife, not population processes. A common confusion is to mix factors affecting population distribution with components that calculate population change. Memory cue: for growth, remember “births, deaths and movement.”

Related tags

Population GrowthComponentsBirthsDeathsMigrationPopulationGeographyClass 9 Mcq

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