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Why is it useful to study sex ratio along with population growth?

Answer and explanation

Correct answer: Because it indicates social balance and future demographic structure

The correct answer is A. Population growth tells us how the number of people changes, but it does not describe the composition of that population. Sex ratio, usually expressed as the number of females per number of males or per a specified number of males, helps show the balance between females and males in a population. Studying it with growth can reveal whether future age groups and family-forming groups may be balanced or uneven. It can also encourage questions about gender conditions, migration patterns, survival and social development. Sex ratio alone does not explain every social condition, so it should be interpreted with other data. Option A is correct because it connects sex composition with future demographic structure. B is wrong because sex ratio is not a rainfall measure. C is wrong because it does not make birth rate zero. D is wrong because it is not an area formula. Memory cue: growth tells how many; sex ratio helps describe who makes up the population.

Related tags

Sex RatioDemographic StructurePopulation GrowthPopulationGeographyClass 9 Mcq

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