Double fertilization is fusion of
In angiospermic fertilisation, one male gamete fuses with egg to form ...$A$... , this event is called ...$B$....
Identify $A$ and $B$ and choose the correct option
In angiosperm, triple fusion is necessary for the formation of
$A$ : More than one pollen tubes can enter an embryo sac.
$R$ : Double fertilization can occur by contribution of gametes from different pollen
The diploid and triploid product of double fertilization respectively are