Which of the following is a contraceptive technique?
a) Condom
b) Cervical cap
c) Pill
d) Intrauterine device
a and b only
a and c only
b and d only
All a,b,c and d
MTP refers to:
Multi trade practices
Malthusian treatise on population
Multiple temporary frequency
Medical termination of pregnancy
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
Human population was 1 billion in:
1000 A.D
1650 A.D
1850 A.D
1250 A.D
Life expectancy has increased due to
a) Greater availability of food
b) Better public health care
c) Greater medical care
a only
b and c only
c only
What is biotic potential?
Number of offsprings added to the population
Number of offsprings borne in a given time per unit of population
Maximum birth rate under ideal conditions
Maximum birth rate under existing conditions
Environmental resistance comprises of:
Limitation of food
Diseases
Predation
All the above
When does population becomes stable?
At the end of exponential growth
Around carrying capacity
When environmental resistance is high
When environmental resistance is low
Population size can decrease due to:
Emigration
Environmental resistance
Immigration
Limitation of carrying capacity
