Class 9 Exam > Class 9 Questions > The magnitude of population growth refers to ...
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The magnitude of population growth refers to :
- a)The number of persons added each year
- b)The total population of an area
- c)The rate at which the population increases
- d)The number of females per thousand males
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The magnitude of population growth refers to :a)The number of persons ...
The magnitude of population growth refers to the measure of how much a population is increasing or decreasing over a specific period of time. It is an important indicator to understand the dynamics of population change and its impact on various aspects of society and the environment.
The magnitude of population growth can be measured in different ways:
1. The number of persons added each year: This refers to the actual increase in the population size over a specific time period. It is calculated by subtracting the initial population from the final population.
2. The total population of an area: This refers to the overall size of the population in a given area at a particular point in time. It represents the sum of all individuals living in that area.
3. The rate at which the population increases: This refers to the speed or pace at which the population is growing. It is typically expressed as a percentage or a rate per unit of time, such as the annual population growth rate.
4. The number of females per thousand males: This is not directly related to the magnitude of population growth. It is a measure of sex ratio, which indicates the number of females per thousand males in a population.
In summary:
- The magnitude of population growth is a measure of the increase or decrease in population size.
- It can be measured by the number of persons added each year, the total population of an area, or the rate at which the population increases.
- The number of females per thousand males is not a measure of population growth but rather a measure of sex ratio.
The magnitude of population growth can be measured in different ways:
1. The number of persons added each year: This refers to the actual increase in the population size over a specific time period. It is calculated by subtracting the initial population from the final population.
2. The total population of an area: This refers to the overall size of the population in a given area at a particular point in time. It represents the sum of all individuals living in that area.
3. The rate at which the population increases: This refers to the speed or pace at which the population is growing. It is typically expressed as a percentage or a rate per unit of time, such as the annual population growth rate.
4. The number of females per thousand males: This is not directly related to the magnitude of population growth. It is a measure of sex ratio, which indicates the number of females per thousand males in a population.
In summary:
- The magnitude of population growth is a measure of the increase or decrease in population size.
- It can be measured by the number of persons added each year, the total population of an area, or the rate at which the population increases.
- The number of females per thousand males is not a measure of population growth but rather a measure of sex ratio.
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The magnitude of population growth refers to :a)The number of persons ...
Understanding Magnitude of Population Growth
Population growth is a critical concept in demographics and refers to the change in the number of individuals in a population over time. The magnitude of population growth specifically emphasizes the numerical aspect of this change.
Why Option A is Correct
- Definition of Magnitude: The term "magnitude" refers to the size or extent of something. In the context of population growth, it pertains to the number of individuals added to a population over a specific period, typically measured annually.
- Number of Persons Added Each Year:
- Option A specifies "the number of persons added each year," which directly correlates to how we quantify growth. For example, if a city’s population increases from 100,000 to 101,000 in a year, the magnitude of growth is 1,000 persons.
- Importance of This Measure:
- This measure helps in planning for infrastructure, resources, and services needed to support the growing population.
Why Other Options are Incorrect
- Option B (Total Population of an Area): This refers to the current size of the population, not the change or growth.
- Option C (Rate at Which the Population Increases): This is a percentage that expresses growth rate, but does not provide the actual numerical change, which is what "magnitude" indicates.
- Option D (Number of Females per Thousand Males): This reflects a demographic ratio, not population growth.
Conclusion
In summary, the magnitude of population growth is best defined by the absolute number of individuals added each year, making option A the correct choice. Understanding this concept is vital for effective demographic analysis and planning.
Population growth is a critical concept in demographics and refers to the change in the number of individuals in a population over time. The magnitude of population growth specifically emphasizes the numerical aspect of this change.
Why Option A is Correct
- Definition of Magnitude: The term "magnitude" refers to the size or extent of something. In the context of population growth, it pertains to the number of individuals added to a population over a specific period, typically measured annually.
- Number of Persons Added Each Year:
- Option A specifies "the number of persons added each year," which directly correlates to how we quantify growth. For example, if a city’s population increases from 100,000 to 101,000 in a year, the magnitude of growth is 1,000 persons.
- Importance of This Measure:
- This measure helps in planning for infrastructure, resources, and services needed to support the growing population.
Why Other Options are Incorrect
- Option B (Total Population of an Area): This refers to the current size of the population, not the change or growth.
- Option C (Rate at Which the Population Increases): This is a percentage that expresses growth rate, but does not provide the actual numerical change, which is what "magnitude" indicates.
- Option D (Number of Females per Thousand Males): This reflects a demographic ratio, not population growth.
Conclusion
In summary, the magnitude of population growth is best defined by the absolute number of individuals added each year, making option A the correct choice. Understanding this concept is vital for effective demographic analysis and planning.
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