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If population decreases from 12 lakh to 10 lakh, what does it show?

Answer and explanation

Correct answer: Population decline

Direct answer: B, population decline. Population decline means that the number of people becomes smaller over time. The population changes from 12 lakh to 10 lakh, so 12 lakh − 10 lakh = 2 lakh people fewer. The downward change, not merely the presence of a population figure, is the key clue. Option B is correct because it names a decrease in population. Option A is wrong because growth means the later number is greater, not smaller. Option C is wrong because density requires both population and area; these figures alone do not provide area. Option D is wrong because age structure describes the distribution of people among age groups and cannot be known from two total population figures. The exact cause is not given; it could involve deaths, fewer births, outward migration, or a combination. Memory cue: later number lower means decline.

Related tags

Population DeclinePopulation DecreasePopulation ChangeClass 9 GeographyPopulation GrowthPopulationGeographyClass 9 Mcq

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