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.

Match the following by using the codes provided:

$A$. Vernalization	$1$. Camerarius
$B$. Double fertilization	$2$. Hofmeister
$C$. Pollination	$3$. Lysenko
$D$. Alternation of Generations	$4$. Nawaschin

Reproductive parts of an angiospermic plant are

$A$: Formation of a mature male gametophyte requires one meiotic and two mitotic divisions in $60\%$ of angiosperms.
$R$: Pollination occurs in a two-celled condition in the majority of angiosperms.

Which of the following plant parts consist of two generations - one within the other?