What is the surgical procedure of the fallopian tube in females for population control called?

Why does bread mould grow profusely on a moist slice of bread rather than on a dry slice of bread?

Which of the following is the correct match between List-$I$ and List-$II$?

List-$I$	List-$II$
$1$. Condom	$a$. Female contraceptive device
$2$. Copper-$T$	$b$. Sex determination
$3$. Tubectomy	$c$. Male contraceptive device
$4$. Sonography	$d$. Female surgical procedure for population control

List four points of significance of reproductive health in a society. Name any two areas related to reproductive health which have improved over the past $50$ years in our country.

Why is the temperature of the scrotal sac $2\,^{\circ}C$ less than the body temperature?

Define the term 'double fertilization in plants'. After fertilization,name the part in each case which develops into $(i)$ the fruit,(ii) the seeds.