The importance of labour related migration and international student mobility,migration has become __________ in temperary and circular in nature.
Increase
Decrease
Both 1 & 2
None of these
____________ is a condition where an organism's numbers exceed the carrying capacity of its habitat.
Over population
Under population
Optimum population
__________ are positive conditions at the point of destination which encourage people to migrate.
Push factors
Pull factors
Mobility
_____________ are negative conditions at the point of origin which encourage or force people to move.
The factors affecting population change can be group into _____________ categories.
Two
Three
Four
___________ is the number of people that will produce the highest per capital economic return given the resources available and their full utilization.
Pyramids can be used to portray either absolute data or __________.
Population
Poverty
Relative data
____________ are those who contract AIDS are mainly in the economically active population.
Dependency ratio
Labour supply
____________ is an all embracing term which includes both migration and circulation.
Migration
Voluntary
____________ is usually when a countries population has declined too much to support its current economic system.
