Which of the following plant families has $polysiphonous$ pollen grains?

$Statement\; 1$: Zygote is a single cell.
$Statement\; 2$: Two haploid cells fuse to form two diploid cells.

The condition in which male and female reproductive parts are present on different plants is called:

Read the following statements regarding gynoecium in angiosperms.
$i$. Embryo sac is located towards the micropylar end of the ovule.
$ii$. Placenta is present inside the ovary locules.
$iii$. Stigma serves as the receptive organ for pollen grains.
$iv$. Cells of the nucellus are haploid with abundant food.
$v$. Ovules generally have more haploid cells than diploid cells.
Identify the correct set of statements from the following.

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

In which of the following plants is 'dioecy' observed?