If an unfertilized egg is pricked with a micro-needle,it will

The most common method of asexual reproduction is by

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

Which of the following statements is incorrect?
$(i)$ Bamboo species flower only once in their lifetime,generally after $50-100$ years,produce a large number of fruits,and die.
$(ii)$ In animals,the juvenile phase is followed by morphological and physiological changes prior to active reproductive behaviour.
$(iii)$ The reproductive phase is of the same duration in all organisms.
$(iv)$ The juvenile phase is the period of growth between the birth of an individual until it reaches reproductive maturity.

Identify the organisms shown in the following diagrams $A$, $B$, and $C$.

Why is reproduction essential for organisms?