Why can population structure change despite zero natural increase in an area?
Migration can change age and workforce structure along with number. Exam tip: identify composition change separately from growth.
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SubjectsGeography
जनसंख्या वृद्धि
In Class 9 Geography, within the chapter Population, students study population growth as the change in the number of people over time. The topic explains how birth rates, death rates, and migration influence population size, and helps learners understand why growth patterns vary across places and periods.
TOPIC PRACTICE
Up to 20 questions from this page. Select your focus, then start.
Migration can change age and workforce structure along with number. Exam tip: identify composition change separately from growth.
View question detailsJobs and services in cities can attract in migration. Exam tip: identify sources of urban growth.
View question detailsWhen more people depend on limited land pressure increases. Exam tip: link rural growth with land pressure.
View question detailsRapid growth under weak management increases resource and pollution pressure. Exam tip: link growth impact with management capacity.
View question detailsLow deaths and high births create rapid natural increase. Exam tip: identify the demographic gap.
View question detailsBirth rate is affected by social health and educational factors. Exam tip: give a multi factor answer.
View question detailsService needs change when age structure changes with slow growth. Exam tip: see age composition with growth.
View question detailsNet migration can be zero but gross migration can change society. Exam tip: distinguish net and gross migration.
View question detailsSame period and clear boundary are needed for growth comparison. Exam tip: check period and boundary.
View question detailsBoundary change can alter the area of comparison. Exam tip: check territorial comparability.
View question detailsIf labour force rises but jobs do not livelihood pressure develops. Exam tip: see labour force and jobs together.
View question detailsA large child population increases demand for education and health. Exam tip: write age specific services.
View question detailsPer capita availability falls when population grows faster than resources. Exam tip: understand per capita concept.
View question detailsActual population increase = 12600 − 12000 = 600. Percentage growth = \(\frac{600}{12000}\times100=5\%\). Therefore, 5 percent is correct. A value such as 6 percent may result from using the new total population as the base, but percentage growth is calculated using the initial population. Exam tip: first find the increase, divide it by the original population, and multiply by 100.
View question detailsActual growth is (900-500+200-300=300). Exam tip: do not forget adding and subtracting migration.
View question detailsWhen natural increase is zero out migration can reduce total population. Exam tip: calculate actual growth separately.
View question detailsAverage figures can hide local inequality. Exam tip: see regional pattern along with national data.
View question detailsRural urban migration can increase population in cities. Exam tip: understand spatial redistribution.
View question detailsDespite low rate a large total population creates high service demand. Exam tip: see both rate and total number.
View question detailsFalling death rate can affect life expectancy and age structure. Exam tip: understand demographic impact broadly.
View question detailsQUIZ COMPLETE