NCERT Class 9 Solutions: Population (Contemporary India-I) Chapter 6– Part 1

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Q-1. Choose the correct 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) Both the area of departure and arrival

(c) The area of arrival

(d) None of the above

Answer: (b)


  • Migration is the movement of people from one place to another. Such migrants may either settle temporarily or permanently in the new location. Contrast this with nomads, who have no fixed home and move around seasonally in search of food, water and grazing etc. It might be over long distances and even from one country to another (internal migration).

  • Migration can be of individuals, family units or in large groups.

  • Not only humans but also animals like birds migrate from place to place. For example, birds can migrate due to climate.




(ii) A large proportion of children in a population is a result of

(a) High birth rates

(b) High death rates

(c) High life expectancies

(d) More married couples

Answer: (a)


If birth rate is high than number of children will increase.

  • The birth rate is counted as total number of live births per 1,000 of a population in a year and they are used to calculate population growth.

  • For accurate counting of birth rate and births, there must be a universal registration system for births, deaths, and marriages. Census data will then use such a system and then augment it with population counts.

Birth rates by race in the US polulation

Birth Rates by Race in the US Polulation

Birth rates by race in the US polulation

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