Which of the following influence/s the size of a population?
a) fertility
b) mortality
c) migration
d) all of these
Removing natural resources and adding to environmental problems
through pollution are major factors in a process called………….
a) the green revolution
b) environmental degradation
c) the biotechnological revolution
d) the greenhouse effect
Greenhouse effect is responsible for:
NTS PST –P-2----2015
a) melting of glaciers
b) rising sea level
c) dramatic climate change
d) all of these
The changes in population take place primarily due to the change in:
a) births
b) migration
c) death
d) all of the above
Crude death rate is:
a) total death in a specific year/total population in that year multiplied by 1000
b) total population in that year – total death in a specific year
c) total population in that year + total death in a specific year
d) total death in specific in a specific year / total population in that multiplied by 100 year
Crude death rate is also known as:
a) Mortality rates
b) infant mortality rate
c) life span
d) none of these
