What does the filiform apparatus do at the entrance into ovule?
It brings about opening of the pollen tube.
It guides pollen tube from a synergid to egg.
It helps in the entry of pollen tube into a synergid.
It prevents entry of more than one pollen tube into the embryo sac.
Choose the odd one w.r.t. gynoecium.
Location and Function :
$1.$ Nucellus
$2.$ Filiform structures
Which of the following cells of embryo sac degenerate after fertilisation in angiosperms?
In majority of angiosperms
Megaspores are produced from the megaspore mother cells after