Identify figure :

Which of the following statements are correct regarding female reproductive cycle?

$A$. In non-primate mammals cyclical changes during reproduction are called oestrus cycle.

$B$. First menstrual cycle begins at puberty and is called menopause.

$C$. Lack of menstruation may be indicative of pregnancy.

$D$. Cyclic menstruation extends between menarche and menopause.

Choose the most appropriate answer from the options given below.

Which is not bisexual animal ?

Select the incorrect pair.

Some organisms like $...A.., ...B..., ...C...$ and $...D...$ the female gamete undergoes development to form new organisms without fertilisation

$A - B - C - D$

$A-$ Events after the formation of zygote are called post fertilization events

$R -$ In viviparous animals a young one develops out side the mother body