At the current rate of growth, human population doubles every:
20 years
35 years
45 years
60 years
When does population becomes stable?
At the end of exponential growth
Around carrying capacity
When environmental resistance is high
When environmental resistance is low
Study of human population is known as:
Demography
Chronology
Population science
Census
Human population was 1 billion in:
1000 A.D
1650 A.D
1850 A.D
1250 A.D
In 1980 human population was:
1 billion
2 billion
3 billion
4 billion
World population day is:
June 5th
July 11th
October 2nd
March 21st
Life expectancy has increased due to
a) Greater availability of food
b) Better public health care
c) Greater medical care
a only
a and b only
b and c only
c only
Which of the following is a contraceptive technique?
a) Condom
b) Cervical cap
c) Pill
d) Intrauterine device
a and c only
b and d only
All a,b,c and d
Which of the following is a drawback of amniocentesis?
It may injure the foetus
It may rupture protective membranes
It is wrong in 50% cases
It is misused in termination of female pregnancies
Which is the country whose annual growth of population is equal to population of Australia?
U.S.A
Russia
Bangladesh
India
