Q3 of 38 Page 175

What is the idea behind the phrase "population explosion"?

The phrase population explosion implies the sudden and rapid increase in human population beyond normal limits. Population explosion refers to an uncontrolled increase in population because of increased birth rate, better life expectancy and decreased infant mortality rate. It is more threatening in under-developed and developing countries.


More from this chapter

All 38 →
15

List the advantages of having small families.

 1

Our resources cannot keep pace with the rising population. Give three examples in support of this statement.

 2

How can the knowledge of processes of reproduction help people in limiting the size of their families? Give two concrete examples.

 1

Given below are hypothetical figures in regard to population (in crores) of two countries A and B during the last three decades.





















Country



1971



1981



1991



A



6.4



9.6



10.6



B



15.7



15.7



15.3



Fill in the blanks:


(a) The rate of growth of population of country …………..has declined between years……………and .........................


(b) The country ................... shows negative population growth between years ................ and ....................


(c) The country ............. shows zero population growth between years ........... and ...............