Question

(10)
How is migration a determinant factor of population change?
3. Distinguish between population growth and population change
4. What is the relation betw en occupational structure and develop class 9​

Answer 1

Answer:

10. Migration is the movement of people across regions and territories. It is a determinant factor of population change as it changes the demographics (size and composition) of both the areas of departure and arrival. Migration plays avery significant role in changing the composition and distribution of population.

3. Three differences between Population Growth and Population Change:

Population Growth:

(a) Population growth is the difference between birth rate and death rate plus migration per year.

(b) It is expressed in percentage.

(c) Growth rate was 2.14% per year as per census 1991. It has declined to 1.93% per year in 2001.

(d) Growth of population refers to the change in the number of inhabitants of a country/territory during a specific period of time, say during the last ten years.

Population Change:

(a) Population change is the number of people added to the total population in a year.

(b) It is expressed in the addition of number of people.

(c) Population was 84.64 crore in 1991. It increased to 102.87 crore in 2001, an addition of 18.2 crore in a decade.  

(d) Population change is about changes in population composition; like age structure, sex ratio, literacy rate, occupational structure, etc.

4. The Relation between Occupational Structure and Development are as follows: i. When majority of people are engaged in primary occupations, rate of development is slow because primary occupations provide livelihood to large number of people but do not contribute much too economic development.

Explanation:

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