In an area natural increase is positive but total population is decreasing which reason is most appropriate?
High out migration can offset positive natural increase. Exam tip: include migration in actual 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
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High out migration can offset positive natural increase. Exam tip: include migration in actual growth.
View question detailsArrival of workers can increase the town population. Exam tip: identify migration in urban growth.
View question detailsAbsolute growth is found by subtracting old population from new population. Exam tip: calculate the actual numerical difference.
View question detailsIncrease in population = 4800 − 4000 = 800. Percentage growth is calculated using the initial population as the base: \(\frac{800}{4000}\times100=20\%\). Therefore, the correct answer is 20 percent. A growth of 25 percent of 4000 would be 1000, not 800. Exam tip: for percentage increase, always divide by the original value.
View question detailsThe village growth is 50 percent while the city growth is 5 percent. Exam tip: calculate percentage from the base population.
View question detailsThe village adds 100 people and the city adds 1000 people. Exam tip: keep percentage and actual number separate.
View question detailsNatural increase will be zero but in migration will increase total population. Exam tip: separate natural and actual growth.
View question detailsOut migration reduces people from an area. Exam tip: subtract people leaving from total growth.
View question detailsActual growth includes births deaths and migration. Exam tip: do not forget in migration and out migration.
View question detailsActual growth is (1200-700+300-500=300). Exam tip: add arrivals and subtract departures.
View question detailsA positive rate means growth continues even if speed is lower. Exam tip: separate slow growth from decline.
View question detailsSlow growth means that the population is increasing, but at a low rate. Negative growth means that the total population is decreasing; this may occur when deaths and/or out-migration exceed births and/or in-migration. Option D states the opposite condition, because births exceeding deaths generally produce positive natural growth. Exam tip: check the sign of the growth rate—positive indicates increase, while negative indicates decline.
View question detailsDecadal growth means the change in population over a period of ten years. Therefore, a scientific comparison between two areas requires data for the same ten-year period. Growth measured over unequal periods cannot be compared directly, and ignoring a boundary change can also make the result misleading. Exam tip: while comparing population growth, check that the time period and area boundary are comparable.
View question detailsWhen boundary changes population and territorial base may change. Exam tip: check territorial comparability.
View question detailsAverage growth can hide regional inequality. Exam tip: see local patterns along with state average.
View question detailsA large young population can keep births continuing for some time. Exam tip: understand momentum as a delay effect.
View question detailsRapid population growth raises the demand for food, water, land, housing, energy and jobs. If these resources are limited, the pressure on them increases; therefore, option A is correct. Population growth does not make resources unlimited or end demand. Exam tip: link the effects of population growth with increasing demand on resources and carrying capacity.
View question detailsMore population and weak supply increase food pressure. Exam tip: write demand supply relation.
View question detailsRapid population growth raises demand and pressure on limited water sources. Therefore, planning should focus on conserving water and ensuring its equitable distribution among people and sectors. New sources may help, but without conservation and fair allocation they are not a lasting solution. Exam tip: for questions on rising population and scarce resources, look for conservation, efficient use, and equitable distribution.
View question detailsMore people produce more waste and weak management increases problems. Exam tip: write sanitation planning.
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