Pollen tablets are available in the market for

Choose the correct option from the following statements.
$I$. During embryogenesis,the zygote undergoes mitotic cell division.
$II$. In organisms with a diplontic life cycle,the zygote divides by meiotic cell division.
$III$. The pericarp (fruit wall) develops from the ovary wall after fertilization.
$IV$. In brinjal,sepals remain attached to the fruit even after fertilization.

In the gametophytic phase -

An angiospermic plant has $24$ chromosomes in its leaf cells. The number of chromosomes present in the synergid,pollen grain,nucellus,and endosperm will be respectively:

Which of the following indicates the correct names of $A, B, C$ and $D$ regions in the given diagram?

What is the ploidy of $MMC$,antipodal cell,central cell,and egg cell,respectively?