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

$A - B - C - D$

In organisms, further developments of the zygote depends on.

What is the chromosome number in meiocyte of potato ?

$(a)$ In both plants and animal, have three phases during their life cycle.

$(b)$ In plant and animal, hormones are responsible for the transitions between the three phase.

Which is correct sentence ?

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.