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In which situation may birth rate decline slowly even after infant mortality falls?

Answer and explanation

Correct answer: When social thinking about family size changes slowly

The correct answer is A. A fall in infant mortality means more children survive, but parents may continue to follow older ideas about having a larger family. Beliefs about family size, the preferred number of children, marriage age, education, income security and access to health services do not change instantly. Consequently, birth rates may remain high for some time and then decline gradually. A correctly describes this social delay, often called a lag effect. B would produce a rapid fall rather than a slow one. C is contrary to the meaning of lower infant mortality. D concerns migration and does not directly determine birth decisions. Memory cue: survival can improve before family-size behaviour changes.

Related tags

Infant MortalityBirth RateDemographic TransitionProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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