2. Q5: What is meant by birth-rate and death-rate,
and how do they affect the population of a
country?
Birth-rate is no. of births per 1000
population. Death-rate is no. of deaths per
1000 population. Birth-rate and death-rate
affect a population in a way that if birth-rate
is higher than death-rate the population
increases at high rate, if it is lower than
death-rate there is decrease in population. If
both are equal the population remains same.
3. Q6 :What have public-health measures to do
with increase in population?
The Public health measures have increased
the population. As the different types of
vaccines has eliminated the mortal disease
from the countries and due to which the
death-rate has decreased and in result the
population is increasing.
4. Q7:Account for the high birth-rate in under-
developed countries ?
The under-developed countries have high
birth-rate. The under-developed countries
already have lack of essential resources. They
are too much poor countries and the
continuous increase in the population makes
the situation worse.
5. Q8: Why is birth-rate not so high in the more
advanced countries?
In the advanced countries the birth-rate is not
so high because people want to maintain high
standards of life .In order to maintain the high
standard, they need the financial resources ,
therefore they keep their population low so
that they can maintain the required standard
of life .
6. Q9: Give a brief account of the poor economic
conditions prevailing in under-developed
countries?
The under-developed countries are
characterized by high rate of poverty, they
don’t have their own factories , the roads and
other infrastructure is not enough , the
hospitals and schools are not sufficient. All of
these conditions affect an economy vey badly.