describe triple fusion in plants. where does it occur? draw a labeled diagram to support your answer.

Dear Student,

Triple Fusion occurs in the Ovule that is present inside the Ovary of Flower.
In this process, the Two sperms nucleus that is formed after Double fertilization , only one of it takes part in the fusion with the egg nucleus to form an embryo ( a process called Syngamy) and the other sperm nucleus fuses with polar nuclei to form endosperm ( process known as Triple Fusion)
It is a process in which one male nuclei fuses with one egg cell and 2 polar nuclei in Ovary and hence the name triple Fusion.

For Diagram you can refer to study materials or the following figure.


Regards.

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Please refer the link below for your answer. I hope it's helful.
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 Triple fusion refers to the process by which male nucleus fuses with the two polar nulcei. It takes place inside the embryo sac of an angiosperm. 
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