NCERT Solutions for Class 9 Social science Chapter 6 Population are provided here with simple step-by-step explanations. These solutions for Population are extremely popular among Class 9 students for Social science Natural Vegetation and Wildlife Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the NCERT Book of Class 9 Social science Chapter 6 are provided here for you for free. All NCERT Solutions for class Class 9 Social science are prepared by experts and are 100% accurate.
Question 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
Ans:
(c) both the area of departure and arrival
(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
Ans:
(a) high birth rates
(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
Ans:
(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)
Ans:
(c) is 7 years old and can read and write any language with understanding.
Question 2.
Answer the following questions briefly.
(i) Why is the rate of population growth in India declining since 1981? Ans: Since 1981, the rate of population growth started declining gradually due to a reduction in the birth rates. This has been due to the efforts at birth control.
(ii) Discuss the major components of population growth. Ans: There are three main components of population growth are birth rates, death rates, and migration.
(iii) Define age structure, death rate and birth rate. Ans: 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 The number of live births per thousand persons in a year.
(iv) How is migration a determinant factor of population change? Ans: Because it changes the demographics of a country.
Question 3.
Distinguish between population growth and population change. Answer:
Population Growth
(i) Growth of population refers to change in the number of people of a country during a specific period of time. (ii) It tells the increase or decline of population in numbers.
Growth Population Change
(i) It refers to the change in population due to birth rate, death rate and migration. (ii) It tells the changes in the population in terms of age and sex composition and distribution.
Question 4.
What is the relation between occupational structure and development?
Answer:
The higher percentage of the population involved in a primary occupation like agriculture, animal husbandry, forestry and fishing implies – Less developed country.
We see more development in countries where people move into secondary occupations like manufacturing.
A high percentage of the population involved in a tertiary occupation like Banking, commerce, transport, and administration – implies a highly developed country.
Question 5.
What are the advantages of having a healthy population?
Answer:
The advantages of having a healthy population are as follows.
- A healthy population can provide welfare and well being of a society.
- A healthy population can boost up development process of a nation.
- A healthy population bear healthy mind to be responsible and contribute to develop resources.
Question 6.
What are the significant features of the National Population Policy 2000?
Answer: Recognising that the planning of families would improve individual health and welfare, the Government of India initiated a comprehensive Family Planning Programme in 1952. The Family Welfare Programme has sought to promote responsible and planned parenthood on a voluntary basis. The National Population Policy (NDP) 2000 is a culmination of years of planned efforts. The NPP 2000 provides a policy framework for imparting free and compulsory school education up to 14 years of age, reducing the infant mortality rate to below 30 per 1000 live births, achieving universal immunisation of children against all vaccine-preventable diseases, promoting delayed marriage for girls and making family welfare a people-centred programme.
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