Which stage is $NOT$ observed during embryogeny in dicots?

The single cotyledon in monocots is known as:

Identify $X$ and $Y$ from the given figure.

What do 'e','f',and 'g' represent in the given figure?

Match the embryonal cell in Column-$I$ with their origin given in Column-$II$ and choose the correct options given below.

Column-$I$	Column-$II$
$a$. Suspensor initial	$i$. Large basal cell of the $2$-celled pro-embryo
$b$. Embryonal initial	$ii$. First cell of the suspensor towards micropylar end
$c$. Haustorium	$iii$. Lowermost cell of the suspensor
$d$. Hypophysis	$iv$. Small terminal cell of $2$-celled pro-embryo

The diagram below shows a fertilised ovule and carpel. Which numbers represent the structures which will become:
$(i)$ The future embryo
$(ii)$ The future testa
$(iii)$ The future micropyle of the seeds
$(i), (ii), (iii)$ respectively?