i. In 1999, the world population reached 6 billion.
ii. Sudan is a country that has experienced a loss in population numbers due to out-migration or emigration.
iii. People are a nation’s greatest resource.
iv. More than 90 per cent of the world’s population lives in about 10 per cent of the land surface.
v. Sixty per cent of the world’s people stay in just 10 countries.
vi. Ministry of Human Resource Development was created in 1985 with an aim to improve people’s skills.
i. In 1820, the world’s population reached one billion. True
ii. Many more people live north of the Equator than south of the Equator. True
iii. Almost two-quarters of the world’s people live in two continents Asia and Africa. False
iv. South Central Asia has the highest density of population followed by East and South East Asia. True
v. Both Bangladesh and Japan are very densely populated but Japan is far more economically developed than Bangladesh. True
Ans. Osaka city is located in Japan.
Ans. Immigrants are those who arrive in a country.
Ans. Emigrants are people who leave a country.
Ans. Average density of population in India is 324 persons per square km.
Ans. (c) The way in which people are spread across a given area.
Ans. (b) Births, deaths and migration
Ans. Life expectancy is the number of years that an average person can expect to live.
Ans. The average density of population in the whole world is 45 persons per square km.
Ans. The way in which people are spread across the earth surface is known as the pattern of population distribution.
Ans. Population pyramid is a graphical presentation of the age, sex composition of a population.
Ans. The difference between the birth rate and the death rate of a country is called the natural growth rate.
Ans. In United Kingdom, population growth is slowing because of both low death and low birth rates.
Ans. People vary greatly in their age, sex, literacy level, health condition, occupation and income level.
Ans. Population density is the number of people living in a unit area of the earth’s surface. It is normally expressed as per square km.
Ans. Within countries large number of people may move from the rural to urban areas in search of employment, education and health facilities.