NCERT Solutions Class 9 Social Science (Geography – Contemporary India – I)
The NCERT Solutions in English Language for Class 9 Social Science (Geography – Contemporary India – I) Chapter – 6 (Population) has been provided here to help the students in solving the questions from this exercise.
Chapter – 6 (Population)
1. Choose the right answer from the four alternatives given below.
(i) Migrations change the number, distribution and composition of the population in
(a) the area of departure
(b) the area of arrival
(c) both the area of arrival and departure
(d) None of the above
Answer – (c) Both the area of arrival and departure.
(ii) A large proportion of children in a population is a result of
(a) high birth rates
(b) high life expectancies
(c) high death rates
(d) more married couples
Answer – (c) High birth rates.
(iii) The magnitude of population growth refers to
(a) the total population of area
(b) the number of persons added each year
(c) the rate at which the population increases
(d) the number of females per thousand males
Answer – (b) the number of persons added each year
(iv) According to the Census, a “literate” person is one who
(a) can read and write his/her name
(b) can read and write any language
(c) is 7 years old and can read and write any language with understanding
(d) knows the 3 ‘R’s (reading, writing, arithmetic)
Answer – (c) Is 7 years old and can read and write any language with understanding.
2. Answer the following questions briefly.
(i) Why is the rate of population growth in India declining since 1981?
Answer – The decline is due to greater awareness and usage of birth control measures.
(ii) Discuss the major components of population growth.
Answer – The major components of population growth are Birth Rate, Death Rate and Migration. The difference between birth rate and death rate accounts for natural increase in population. Immigration refers to the inflow of people into a region from other regions.
(iii) Define age structure, death rate and birth rate.
Answer – Age structure: Refers to the number of people in different age groups in that population.
Death Rate: The number of deaths per thousand persons in a year.
Birth Rate: The number of live births per thousand persons in a year.
(iv) How is migration a determinant factor of population change?
Answer – 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.
3. Distinguish between population growth and population change.
Answer – Distinction between population growth and population change:
| Population growth | Population change |
| Population growth is the difference between birth rate and death rate plus migration per year. | Population change is the number of people added to the total population in a year. |
| It is expressed in percentage. |
It is expressed in the addition of number of people. |
| Population growth does not alter the population composition. | Can alter the population composition. |
| Population growth is when population increases. | Population change can be increase and decrease |
4. What is the relation between occupational structure and development?
Answer – The distribution of the population according to the different types of occupations is referred to as the occupational structure.
- Occupations are generally classified as primary, secondary and tertiary.
- Primary activities include agriculture, animal husbandry, forestry, fishing, mining and quarrying, etc.
- Secondary activities include manufacturing industry, building and construction work, etc.
- Tertiary activities Include transport. communications, etc.
- The proportion of people working in different activities varies in developed and developing countries.
- Developed nations have a high proportion of people in secondary and tertiary activities.
- In India about 64% of the population Is engaged only in agriculture.
- The proportion of the population dependent on secondary and tertiary sectors is about 13 and 20% respectively.
- There has been an occupational shift in favour of secondary and tertiary sectors because of growing industrialisation and urbanisation in recent times.
5. What are the advantages of having a healthy population?
Answer – The advantages of having a healthy population are:
- It will make the nation strong in all spheres
- It will help in creating a developed and prosperous nation
- It will help in economic growth.
- The nation can compete globally with all other nations in any sphere of requirement.
6. What are the significant features of the National Population Policy 2000?
Answer – The National Population Policy 2000 provides a policy framework for:
- Imparting free and compulsory school education up to 14 years of age.
- Reducing infant mortality rate to below 30 per 1000 live births.
- Achieving universal immunisation of children against all vaccine-preventable diseases.
- Promoting delayed marriage and child bearing.
- Making family welfare a people-centred programme.
- Providing nutritional services and food supplements to adolescents.
- Protecting adolescents from unwanted pregnancies and sexually-transmitted diseases, and educating them about the risks of unprotected sex.
- Making contraceptive services accessible and affordable.
