$A$ plant with both male and female flowers borne on it is called:

Identify '$P$','$Q$','$R$','$S$',and '$T$' in the given figure.

The male and female reproductive organs of several pteridophytes and gymnosperms are comparable to floral structures of angiosperms. Make an attempt to compare the various reproductive parts of pteridophytes and gymnosperms with reproductive structures of angiosperms.

Which of the following pairs of families possess pollinia?

Choose the odd one with respect to the medium through which male gametes are transferred.

$A$ - In plants,the end of the juvenile phase marks the beginning of the reproductive phase.
$R$ - In plants,the juvenile phase is also known as the vegetative phase.