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Subjects

Geography

Processes of Population Change

जनसंख्या परिवर्तन की प्रक्रियाएँ

In this Class 9 Geography topic from the chapter Population, students learn how a population changes over time through the three basic processes of births, deaths and migration. They explore natural increase, birth and death rates, and how migration affects the size, distribution and composition of population. The topic also helps students connect these processes with factors such as health, living conditions, employment and social change, building a clearer understanding of population trends in India and beyond.

Practice questions

In which condition is population of an area most likely to decrease?What is the difference between in migration and out migration in population change?If births are very low and deaths are also very low in a country what can natural increase be like?Why is study of processes of population change useful for administration?Which factor can affect birth rate in population change?What result is possible in population change when death rate declines?Why can people migrate from villages to cities?By which process can a region's population increase even without births?By which process can a region's population decrease even without deaths increasing?In which situation is it necessary to study migration separately to understand population change?Why is it necessary to study births deaths and migration together in population change?If births are high but out migration is also very high what can happen to local population?Which option gives the correct calculation of natural increase?If an area has 1200 births and 800 deaths what will be the natural increase?If an area has 700 births and 950 deaths what will natural change be like?How is net migration calculated?If 600 people enter and 350 people leave what will be the net migration?If 300 people enter and 750 people leave what will net migration be like?Which is the correct formula idea of total population change?If there are 1000 births 650 deaths and net migration 150 what will be total population change?