The ploidy level of nucellus and female gametophyte respectively is
$n$, $n$
$n$, $2$$n$
$2$$n$, $n$
$2$$n$, $2$$n$
Nucellus -$2$$n$ $n -n$
In majority of angiosperms
Function of micropyle is
Identify the given figure :
$A$ : Eight cells of octant stage in dicot embryogeny are made by $2$ vertical and one transverse divisions in embryonal cell. $R$ : These cells are arranged in epibasal and hypobasal tier.
What does the filiform apparatus do at the entrance into ovule?
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