When had population explosion occurred in the developing world ?
Before 1950
Early to mid 1950s
1950 to 1960
Early to mid 1960s
The difference between which all factors is the net migration?
Immigration and death rate
Emigration and birth rate
Immigration and emigration
Birth rate and mortality rate
The ratio of which of the following is termed as sex ratio in a population?
Males per female
Males per 100 females
Females per male
Females per 100 males
The reason for higher number of male births ,recorded in 2002 at China, was mainly due to:
Famine
Flood
Increase in abortion of female foetuses
Increase in the pregnancy rate
Which nation has the highest birth rate in the world?
Morocco
Niger
Vietnam
India
Which country has the highest average life expectancy?
North America
South America
Africa
Which country has the lowest average life expectancy ?
Where is the locational evidence for Australopithecus confined to?
Asia
Australia
Antartica
When had the developing countries had their period of high population growth ?
Before 18th century
18th and early 19th century
19th and early 20th centuries
21st century
How many number of children per woman is termed as replacement level fertility?
1
2
1.2
2.1
