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-(c) In Delhi, there is a heavy migrati, get jobs in the metropolis. Gener ha, stay back in their villages or hometowns. ei, leads to a very high number of males in Delhi., , (a) In Haryana, female foeticide is rampant becaus, people’s desire to have a male heir, due to :, patriarchal family system. This has led to the, , skewed sex ratio in Haryana., , Exercises, 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, , (ii?) The magnitude of population growth refers to, (a) the total population of an area, , (b) the number of persons added each year, , (c) the number of females per thousand males, , (d) the rate at which the population increases, (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 anyone language with understanding, (d) knows the 3'R’s (reading, writing, arithmetic), , Ans. (i) (c) (zz) (a) (ii2) (b), , 2 Answer the following questions briefly., , (i) Why is the rate of population growth in India, declining since 1981? Explain any three, reasons., , Ans. The rate of population growth in India is declining, since 1981 because the birth rates have declined, rapidly. This is due to, , (zv) (c), , to which they realised the need of a small family., , expectancy at birth. This help i i, a elp in lowering the, , (iit) The positive effect of birth control, easy availability of contraceptives., , (ii) Describe the factors that caus, size of population., , , , , , on of males who, ally, their families, , e of, , (b) high life expectancies, (c) high death rates (d) more married couples, , (7) Improvement in female education and literacy, due, , (27) Better healthcare facilities have improved the life, , measures and, , € changes in the, , : ee ee, or nepal het aoa coli aaa i, , —, , (iii, Ans., , (iv), , Ans., , 3, , Ans., , : Population growth, Population growth always, , results due to change in the, size of population., , Without a change in, Population, population ro, IS Not possible. a, , Internal migration d, oes not, lead to change in the, , Population growt, , country g h of the, Since, the nu, does not Change j, , wth, Population. At, , Jati ., _ The pope" rpirth rate, death rate and migra,, , ™, , on growth is influenced by er, , Stioy, lation h A, , onents of pop a £rowth are, , he number of live births ses, , t : re, It is a major Component of op att - ye aif 9%, , , , Major comp, , i ar., ‘our Rss in India birth rates have abaya tio koe ;, roe ‘bah death rates. Birth rates are affecte dh n . 3 oe, big ili cial values, the availahi. a, like nutrition, fertility, so i , the availability ¢¢ ve (eu, contraception and cultur eee . | ot :, th rate is also one of the major compon fo, « The ae growth and is the number of dei e f, peer i ar. The mai fer, doasand petsons 11 aN ee eS Pod U, the population has been the rapid decline in the death te oun, rate during the last 50 years due to better healthcare ; ae fi, nutrition, etc. cong, « Migration is the movement of people ACEOSS region, wo, , and territories. Migration within the COUNTY cause what, changes in the density of the population. 5 mu, Define age structure, death rate and birth rate f ee., Age structure It means the number ot people a0 Anse i TI, different age groups in a given population. of, Death rate It is the number of deaths per thousand ff a, persons in a year. ; @ Tl, Birth rate It is the number of live births per thousang ch, , persons in a year. ; ca, , How is migration a determinant factor of (ii) Le, population change? i, , Migration is the movement of people across regions, and territories. It is a determinant factor of, population change as it changes the demographies, (size and composition) of both the areas of departure, and arrival., , Distinguish between population growth, and population change., , The differences between population growth and, population change are given below, , , , a a y Population « change “w, Population change 's any ; q, change that may result due, migration, death rates, bit, rates and change in age, composition and sex-fallo._, Even where there is "0 a, population growth, there ', be a population chang —Internal migration bring in :, about a change in pop’, , of a country. 4, , =, , mber of persons, , “hele, i an ft, , In agiven population, " "i, fi this case, given pop x-ratio, , is‘a change in the s¢, will be considered 4, population change.