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प्रश्न
How is human population checked at present?
उत्तर
At present human population is checked by disease, death due to old age, wars, epidemics, natural calamities such as earthquakes and floods and also by family planning methods.
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संबंधित प्रश्न
Define the following:
Birth control
Give the appropriate term for the following:
The number of persons per square kilometre (km2) at any given time.
Fill in the blank:
Primitive man began existence about ______ million years back.
Choose the correct answer:
Birth rate in developing countries is __________
Give Reasons: Medical discoveries such as antibiotics and vaccinations have indirectly contributed to the sharp rise in human population in the present century.
True or False:
Growth rate of a population is the difference between the birth rate and death rate.
Give the technical terms for the following:
Number of deaths per 1000 people per year.
Given below is a set of paired terms. The first pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Death rate : Mortality :: Birth rate : ______.
Define the following term:
Demography
Distinguish between the following pair:
Natality and Mortality.
