How Do Organisms Reproduce ?

Which among the following diseases is not sexually
transmitted ?

During adolescence, several changes occur in the human
body. Mark one change associated with sexual maturation
in boys.

In human females, an event that reflects onset of
reproductive phase is

In human males, the testes lie in the scrotum, because it helps in the

Which among the following is not the function of testes at
puberty ?
(i) formation of germ cells
(ii) secretion of testosterone
(iii) development of placenta
(iv) secretion of estrogen

The correct sequence of organs in the male reproductive
system for transport of sperms is