New organisms produced through reproduction .......

Which of the following is correctly matched?

In $P$ type of plants,vegetative,reproductive,and senescent phases are clearly visible,whereas in $Q$ type of plants,it is difficult to clearly define these phases.
$\quad\quad\quad\quad P \quad\quad\quad\quad Q$
$(A)$ Annual $\quad$ Biennial,Perennial
$(B)$ Annual,Biennial $\quad$ Perennial
$(C)$ Perennial $\quad$ Annual,Biennial
$(D)$ Biennial,Perennial $\quad$ Annual

$A-$ Events after the formation of zygote are called post-fertilization events.
$R -$ In viviparous animals,a young one develops outside the mother's body.

In a practical test, a student has to identify the organisms in which syngamy does not occur. In those organisms, the female gamete undergoes development to form new organisms without fertilization. This phenomenon is called "$X$". Identify the organisms and the phenomenon "$X$".

In which of the following is external fertilization observed?