Population density is generally expressed in which unit?
Answer and explanation
Correct answer: Persons per square kilometre
Population density means the number of people living per unit area. It is generally expressed as persons per square kilometre, so option B is correct. Persons per square metre or per hectare are also area-based measures, but the standard unit used in school geography is persons per square kilometre. Exam tip: remember the formula—total population ÷ total area.
Frequently asked questions
What is the correct answer to this question?
Persons per square kilometre
Why is this the correct answer?
Population density means the number of people living per unit area. It is generally expressed as persons per square kilometre, so option B is correct. Persons per square metre or per hectare are also area-based measures, but the standard unit used in school geography is persons per square kilometre. Exam tip: remember the formula—total population ÷ total area.
Which subject and chapter does this question cover?
This is a Class 9 Geography question. Chapter: Population. Topic: Population Density.
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