Identify the gametes in figures $A, B$,and $C$.

Oestrus cycle is cyclic changes in the activities of ovaries and accessory duct during

Female gamete undergoes development to form new organisms without fertilization. This process is called parthenogenesis. It occurs in:

Select the correct option for the zygote.
$I -$ It is found only in organisms undergoing sexual reproduction.
$II -$ It is always diploid $(2n)$.
$III -$ It is also known as a fertilized egg.
$IV -$ It is always formed as a result of fertilization or syngamy.
$V -$ It is the link between two generations.

Identify the incorrect statement.

Which of the following organisms possess the power of regeneration?