Vegetative propagation in Pistia occurs by
stolon
offset
runner
sucker.
Xenia and metaxenia terms are related with
A typical angiosperm embryo sac at maturity has
Transmission tissue is characteristic feature of
$A$ : Complete radicle is not produced by hypo-basal tier of octant embryo during Cruciferad development.
$R$ : Hypophysis cell of suspensor contributes the tip of radicle in this type of development.
The diagram below is a longitudinal section of an ovule of an angiospermWith which of the following structures do the contents of one pollen tube fuse with