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What is the benefit of expressing population growth rate in percentage?

Answer and explanation

Correct answer: It makes comparison of different population sizes easier

Direct answer: Option A is correct. A percentage expresses growth relative to the starting population, so it shows the proportion by which a population has changed. This makes fair comparison possible between places or periods with different population sizes. For example, an increase of one lakh is much more significant for a small population than for a very large one; percentages account for that difference. Option B is wrong because expressing growth as a percentage does not change physical area. Option C is wrong because birth rate may still be studied separately. Option D is opposite to the truth; percentages can help interpret census data. Memory cue: absolute growth tells “how many,” while percentage growth tells “how much compared with the beginning.”

Related tags

Growth RatePercentageComparisonPopulation StatisticsPopulation GrowthPopulationGeographyClass 9 Mcq

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