Question

describe double fertilisation in angiosperm plant

Answer 1

Very simple.
One pollen grain contains two male nuclei.
When they reach in the embroyo sac.
then
1 male nuclei fuses with Secondary Nucleus
to PEN(Primary Endospermic Neucleus)
and
the other male nuclei fuses with the egg to form zygote.
This is double fertilization.


Hope u got that

Answer 2

double fertilization is the event when.in the ovule of the flower there are 2 synergids cell and one is egg cell present at the micropyle end...or 3 antipodal cell are present at the chalazal end ..,.when one pollen grain enter in the ovule the it fuse with the egg cell when it fuse with egg cell imigiatily the another pollen Cell Fuse with the....2 nuclei present centre cell in ovule in this the double fertilization and triple fusion take place..