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JAIGOPAL GARODIA VIVEKANANDA VIDYALAYA, AVADI, CHENNAI 54, VII SOCIAL SCIENCE, , GEOGRAPHY — CHAPTER 6 - HUMAN RESOURCES, , ANSWER THE FOLLOWING QUESTIONS., , 1., , Write a short note on distribution of population in the world., , (a) More than 90 % of the world population lives in about 10 % of the land surface., , (b) The distribution of population in the world is extremely uneven. Some areas are very, crowded and some areas are sparsely populated., , (c) Very few people live an high latitude areas, tropical deserts, high mountains and areas of, equatorial forest., , (d) Many more people live north of the equator than south of the equator., , (e) Almost three quarters of the world’s people live in two continents Asia and Africa., , Discuss the role of any two factors influencing population change., , (a) Birth rate and death rate are the natural causes of population change., , (b) Birth rate is number of live Birth per 1000 people., , (c) Death rate is Number of deaths per 1000 people., , (d) When birth rate is more than death rate, population increases., , (e) When the birth rate and death rate are same, population stays the same., , (f) When the death rate is more than birth rate, population decreases. Thus birth rate and, death rate affect the balance of population., , What is meant by population composition?, , (a) Population composition refers to the structure of the population, , (b) The composition of population helps us to know how many are males or females, which, age group the belong to, how educated they are and what type of occupations they are, employed in, what their income levels and health conditions are., , Why are people considered as resource?, , (a) People are considered resources because they can produce new resources with their, demands and capabilities., , (b) Nature’s abundance is only valuable when people discover it and to good use., , (c) They gain abilities and aptitudes through education, good motivation, allowing them to, become more proficient in overcoming obstacles and hurdles and carrying out more duties, effectively., , (d) As aresult human resources are regarded as a valuable and potentially valuable resource, for society., , What are population Pyramids? How do they help in understanding about the population of, , a country?, , (a) A geographical presentation used to study the composition of a country’s population is, called the population pyramid., , (b) It shows the total population divided into various age groups, percentage of the total, population subdivided into males and females and the number of dependents ina, country., , (c) When the population of a country has high birth and death rates, the population pyramid, is broad at the base and narrow towards the top., , Ettiieett iter