Accumulation of national resources and saving is known as
Society betterment
National saving
National production
$(a)$ and $(c)$ both
In which one of the following the birth rate is high & death rate is normal
$ZIFT$ stands for
Match Column $-I$ with Column $- II$
Column $-I$ Method |
Column $-II$ Mode of Action |
$A.$ The pill | $I.$ Prevents sperms reaching cervix |
$B.$ Condom | $II.$ Prevents implantation |
$C.$ Vasectomy | $III.$ Prevents ovulation |
$D.$ Copper $T$ | $IV.$Semen contains no sperms |
Number of females is more than males in
The natural growth rate of population is checked by certain factors. These are known as