What is the relation between increase in population density and environmental pressure?
More people use more resources in a limited area. Exam tip: link environmental pressure with density.
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SubjectsGeography
जनसंख्या घनत्व
In this Class 9 Geography topic from the chapter Population, students learn how population density measures the number of people living in a unit area, usually per square kilometre. They explore the population-density formula, interpret maps and data, and compare densely and sparsely populated regions. The topic also explains how relief, climate, soil, water availability, transport, industries and employment influence settlement patterns and the distribution of population in India and around the world.
TOPIC PRACTICE
Up to 20 questions from this page. Select your focus, then start.
More people use more resources in a limited area. Exam tip: link environmental pressure with density.
View question detailsPopulation density = population ÷ area. Therefore, density declines when population decreases or when the same population is spread over a larger area. In contrast, an increase in population or a decrease in area raises density. Exam tip: in density questions, check changes in both the numerator (population) and the denominator (area).
View question detailsIf area remains same and population rises density increases. Exam tip: remember direct relation with population.
View question detailsArea is the denominator in density and zero area is not practical. Exam tip: understand formula logic.
View question detailsPopulation density has unit persons per square kilometre. Exam tip: keep unit and percent separate.
View question detailsNatural and economic factors work together behind high density. Exam tip: write combined causes.
View question detailsInaccessibility harsh climate and fewer opportunities can reduce density. Exam tip: identify limiting factors.
View question detailsPopulation can be attracted where employment exists. Exam tip: connect jobs with density pattern.
View question detailsPopulation density is not the same as total population, a percentage, or birth rate. It is a ratio that relates population to land area, commonly expressed as people per square kilometre. A place with a large population can have low density if its area is very large, while a smaller population can have high density in a very small area. This is why a conclusion based only on total population may be misleading.
Option A is correct because it warns us not to judge density from total population alone. The area must also be known, and the comparison should use both figures. Option B is wrong because area is essential, not something to remove. Option C confuses density with a percentage, and option D confuses it with birth rate, which measures births over a period. Careful interpretation prevents these errors.
Good planning can reduce pressure from high density. Exam tip: read density with management and facilities.
View question detailsDividing eight lakh by two thousand gives four hundred. Exam tip: apply ( \text{Density} = \frac{\text{Population}}{\text{Area}} ) correctly.
View question detailsWith the same population, a smaller area has more people per unit area. Exam tip: always check area in comparisons.
View question detailsPopulation density relates total population with area. Exam tip: keep total population and density separate.
View question detailsWhen population increases in the same area, people per unit area increase. Exam tip: connect population increase with density increase.
View question detailsIf the same population spreads over a larger area, people per unit area decrease. Exam tip: understand the effect of area change.
View question detailsIn 2011, India's average density was about 382 persons per square kilometre. Exam tip: remember the figure approximately.
View question detailsBihar has high density because population is high compared to area. Exam tip: connect Bihar with high density example.
View question detailsDifficult terrain and low connectivity can limit settlement. Exam tip: connect physical constraints with low density.
View question detailsDividing six lakh by fifteen hundred gives four hundred. Exam tip: convert lakh correctly into number.
View question detailsWith the same area, the area with higher population will have higher density. Exam tip: compare both population and area.
View question detailsQUIZ COMPLETE