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
$1$ and $3$
$1$ and $4$
$2$ and $3$
$3$ and $4$
In water hyacinth and water lily, pollination takes place by
Pick out wrong statement.
Branched type of pollen tube is formed in
The megaspore mother cell is differentiated from one of the cells of the
A typical angiosperm embryo Sac, at maturity ...... nucleate and ....... celled.