What is the main meaning of population growth?
Population growth tells change in number of people over time. Exam tip: connect growth with population change.
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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.
Population growth tells change in number of people over time. Exam tip: connect growth with population change.
View question detailsPopulation growth is measured by comparing the population of a place at two different points in time. For example, the difference between the population in 2011 and 2021 shows whether the population increased or decreased. A population figure from only one time cannot show change. Exam tip: for growth questions, remember “comparison of two times.”
View question detailsBirth death and migration change population number. Exam tip: remember all three components together.
View question detailsA high birth rate means that more children are born during a given period. If factors such as death rate and migration remain similar, this can lead to rapid population growth. Population remains stable or declines when deaths or outward migration outweigh births. Exam tip: consider birth rate, death rate, and migration together while studying population growth.
View question detailsMore deaths can reduce population growth. Exam tip: understand death rate as a reducing factor.
View question detailsMigration means the movement of people from one place to another for residence, work, or other reasons. Therefore, option A is correct. Evaporation of water is part of the water cycle, not the movement of people. Exam tip: associate migration with the change of place of people.
View question detailsIn-migration means people move into an area from elsewhere. Since people are added to that area, its population may increase. A population decrease is more commonly linked with out-migration, not in-migration. Exam tip: remember that in-migration increases population, while out-migration decreases it.
View question detailsOut migration means people leave the area so number may fall. Exam tip: connect out migration with decrease.
View question detailsNatural increase occurs when births exceed deaths. Exam tip: remember births greater than deaths.
View question detailsNatural increase is based on the difference between births and deaths. Exam tip: keep formula order correct.
View question detailsIf births and deaths are equal natural increase is zero. Exam tip: remember the balance condition.
View question detailsDecadal growth is population change over ten years. Exam tip: connect decadal with ten years.
View question detailsAbsolute growth shows change in actual number. Exam tip: connect absolute with actual number.
View question detailsGoing from 1000 to 1100 is an increase in population. Exam tip: compare earlier and later numbers.
View question detailsThe population decreases from 3000 to 2800, which is a decline of 200. Therefore, it is called population decline. Zero population growth would mean that the population remains unchanged. Exam tip: when the final population is lower than the initial population, identify it as population decline.
View question detailsGrowing population can increase number of students. Exam tip: link education planning with growth.
View question detailsWhen population grows number of job seekers may increase. Exam tip: remember employment planning.
View question detailsMore population can increase resource use and waste. Exam tip: remember environmental pressure.
View question detailsSlow growth can make management of resources and services easier. Exam tip: remember manageable demand.
View question detailsEducation can increase understanding of family health and small family. Exam tip: connect education with awareness.
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