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Which option shows correct understanding of keeping sex ratio and population growth separate?

Answer and explanation

Correct answer: Growth is a change in number and sex ratio gives the male-female ratio

Direct answer: A is correct. Population growth and sex ratio describe different features of a population. First, population growth means a change in the total population over a period of time. The change can result from births, deaths, and migration. Second, sex ratio compares the numbers of females and males. In Indian demographic usage, it is commonly expressed as the number of females per 1,000 males. Thus, growth answers “How is the total number changing?” while sex ratio answers “How are females and males represented relative to each other?” B is wrong because these are separate indicators. C is wrong because sex ratio is not land area or a physical measurement. D is wrong because population growth concerns the total population, not males alone. A correctly keeps the concepts separate. Memory cue: growth is change through time; sex ratio is comparison between sexes.

Related tags

Population GrowthSex RatioDemographic IndicatorsPopulationGeographyClass 9 Mcq

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