NCERT Solutions Class 9 Social Science (Geography) Chapter 6 Population – Here are all the NCERT solutions for Class 9 Social Science (Geography) Chapter 6. This solution contains questions, answers, images, explanations of the complete Chapter 6 titled Population of Social Science (Geography) taught in class 9. If you are a student of class 9 who is using NCERT Textbook to study Social Science (Geography), then you must come across Chapter 6 Population. After you have studied lesson, you must be looking for answers of its questions. Here you can get complete NCERT Solutions for Class 9 Social Science (Geography) Chapter 6 Population in one place.
NCERT Solutions Class 9 Social Science Chapter 6 Population
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For a better understanding of this chapter, you should also see summary of Chapter 6 Population , Social Science, Class 9.
NCERT Solutions Class 9 Social Science chapter 6 Population
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Question & Answer
Q.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 departure and arrival (d) none of the above (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 (iii) The magnitude of population growth refers to (a) the total population of an 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 (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)
Ans : (i) (c) both the area of departure and arrival (ii) (a) high birth rates (iii) (b) the number of persons added each year (iv) (c) is 7 years old and can read and write any language with understanding
Q.2: Answer the following questions briefly. (i) Why is the rate of population growth in India declining since 1981? (ii) Discuss the major components of population growth. (iii) Define age structure, death rate and birth rate. (iv) How is migration a determinant factor of population change?
Ans : (i) Since 1981, the rate of growth started declining gradually, because of popularised. (a) Family planning measures were adopted, leading to decline in the birth rate. (b) Awareness about advantages of small family came to be recognised. (c) There was a growth of nuclear families occurred which adopted the small family norm. (d) Promotion of family planning programme by the government. (ii) The major components of population growth are birth rates, death rates and migration. The natural increase of population is the difference between birth rates and death rates. Birth Rate Birth rate is the number of live births per thousand person in a year. It is a major component of growth, because in India birth rates have always been higher than death rates. Death Rate Death rate is the number of deaths per thousand persons in a year. The main cause of the rate of growth of the Indian population has been the rapid decline in death rates. Migration Migration is the movement of people across regions and territories. Migration can be internal (within the country) or international (between the countries). Internal migration does not change the size of the population, but influences the distribution of population within the nation. (iii) Age Structure age structure means the number of people in different age groups in a given population. Death Rate Death rate is the number of deaths per thousand persons In a year. Birth Rate Birth rate is the number of live births per thousand persons in a year. (iv) Migration a Determinant Factor
- Migration is the movement’ of people across regions and territories.
- Migration can be internal (within the country) or international (between the countries).
- Migration is a determinant factor of population change as it changes its size and composition.
- Internal migration does not change the size of the population but influences the distribution of population within the nation.
- In India, most migrations have been from rural to urban areas because of the ‘push’ factors in rural areas. These push factors are adverse conditions of poverty and unemployment in the rural areas. The ‘pull’ factors of the city are In terms of increased employment opportunities and better living conditions.
- These ‘push’ and ‘pull’ factors have led to increased migration from rural to urban areas and rapid rise in the urban population.
- There has been a significant increase in the number of ‘million plus cities’ from 25 to 35 in just one decade i.e., 1991-2001.
Q.3: Distinguish between population growth and population change.
Ans : The differences between population growth and population change are given in the table below
Q.4: What is the relation between occupational structure and development?
Ans : 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.
Q.5: What are the advantages of having a healthy population?
Ans : Health is an important component of population composition which affects the process of development. So we need a healthy population. (a) The health of a person helps him/her to realise his/her potential and gives the ability to fight illness. (b) A healthy person is an asset to the country, is more productive and helps in the progress of the country. (c) A healthy person is able to earn more and Improve his standard of living. (d) A healthy population makes a healthy and strong nation economically and socially.
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