Answer :
Double fertilization means that the flowers must be pollinated twice to yield fruits and seeds.
Angiosperm plants exhibit double fertilization. Triple fusion is another name for this procedure. Double fertilization involves the use of two sperm.
Syngamy is the union of one of the two sperm that enter through the micropyle with the egg cell. Double fertilization is a sophisticated method of fertilization used by flowering plants. A female gametophyte (megagametophyte, also known as the embryo sac) and two male gametes are joined during this process (sperm). The process starts when a pollen grain clings to the stigma of the carpel, a flower's female reproductive organ. The pollen grain then absorbs moisture and starts to germinate, creating a pollen tube that passes through the style and descends toward the ovary.
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