World population day is:
June 5th
July 11th
October 2nd
March 21st
What is amniocentesis?
Post natal diagnostic technique
Pre natal diagnostic technique
Check up of one pregnant women for any deficiency
Check up of pregnant women for any reaction
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
Exponential growth occurs when:
Biotic potential is high
Death rate is low
Environmental resistance is little
Population is large
Endemic hunger and chronic undernourishment are found in:
Europe
South Asia and part of Africa
South Asia and Latin America
South Asia, Latin America and some parts of Africa
Environmental resistance comprises of:
Limitation of food
Diseases
Predation
All the above
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
In 1980 human population was:
1 billion
2 billion
3 billion
4 billion
What is meant by zero population growth?
No new births
No emigration
Gain and loss are equal
No immigration
Which of the following is a correct statement about test tube baby?
Fertilization inside female genital tract and growth in test tube
Rearing of prematurely born baby in incubator
Fertilization outside and gestation inside womb of mother
Both fertilization and development are effected outside the female genital tract