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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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Expert · Level 78 · population growth,caution,combined analysisView options
Do not draw full conclusion from one indicator
Always ignore migration
Remove time period
Treat birth rate alone as actual growth
Expert · Level 77 · population momentum,age structure,birth rateView options
Population continuing to grow for some time due to young age structure even after birth rate falls
Population becoming zero immediately due to rising death rate
Migration always remaining zero
Birth rate rising because area increases
Expert · Level 77 · death rate,birth rate,growth gapView options
When birth rate is also very low and migration is negative
When birth rate is still fairly high
When everyone moves out
When base population is zero
Expert · Level 77 · zero growth,births deaths,migration balanceView options
Births exceed deaths and in migration is also high
Sum of births and in migration equals deaths and out migration
If an area has six lakh births, four lakh deaths and net migration of minus three lakh, what will be the total population change?
Correct answer: A
Natural increase is two lakh but net migration is minus three lakh. Exam tip: use ( \text{Total Change}=(\text{Births}-\text{Deaths})+\text{Net Migration} ).
If birth rate is twelve per thousand, death rate is seven per thousand and net migration is minus three per thousand, what will be the total growth rate?
Correct answer: B
Natural increase is five per thousand and negative migration reduces it by three. Exam tip: calculate (12-7-3=2) carefully.
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