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
Environmental resistance comprises of:
Limitation of food
Diseases
Predation
All the above
What is meant by zero population growth?
No new births
No emigration
Gain and loss are equal
No immigration
Human population was 1 billion in:
1000 A.D
1650 A.D
1850 A.D
1250 A.D
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 is the country whose annual growth of population is equal to population of Australia?
U.S.A
Russia
Bangladesh
India
World population day is:
June 5th
July 11th
October 2nd
March 21st
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
At the current rate of growth, human population doubles every:
20 years
35 years
45 years
60 years
Study of human population is known as:
Demography
Chronology
Population science
Census
