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If net migration is zero but both in-migration and out-migration are very high in an area, what caution is needed in planning?

Answer and explanation

Correct answer: आने और जाने वाले समूहों की आयु, कौशल और सेवा-ज़रूरतें अलग-अलग देखनी चाहिए

Direct answer: A is correct. Net migration is calculated as in-migration minus out-migration. If 10,000 people enter and 10,000 leave, net migration is zero, but 20,000 movements have still occurred. The total population may remain nearly unchanged, yet the people entering may have different ages, occupations, education levels and service needs from those leaving. Therefore, planners must examine gross migration flows and changes in population composition, not just the net figure. A is correct because separate study of incoming and outgoing groups helps plan housing, schools, hospitals, transport, jobs and skill services. B is wrong because zero net migration does not mean zero movement. C is wrong because the area still has its resident population. D is wrong because birth rate measures births, whereas migration means movement between places. Memory cue: net means balance; it does not show the size of the two flows.

Related tags

Net MigrationGross MigrationPopulation CompositionProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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