____________ is an all embracing term which includes both migration and circulation.
Migration
Mobility
Voluntary
None of these
___________ is the number of people that will produce the highest per capital economic return given the resources available and their full utilization.
Over population
Under population
Optimum population
____________ are those who contract AIDS are mainly in the economically active population.
Dependency ratio
Labour supply
Poverty
The importance of labour related migration and international student mobility,migration has become __________ in temperary and circular in nature.
Increase
Decrease
Both 1 & 2
____________ is a condition where an organism's numbers exceed the carrying capacity of its habitat.
HIV/AIDS prevents development and increases the impact of ___________.
Education
The factors affecting population change can be group into _____________ categories.
Two
Three
Four
The ____________ measures the relationship between the number of working and retired people.
Current ratio
Support ratio
Quick ratio
The structure or composition of a population is the product of the process of fertility,morality and ________.
Immigration
The _____________ is the number of deaths per thousand population in a year.
Birth rate
Death rate
Immigration rate
