From the processes given below,how many are a | vedclass

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(D) Post-fertilisation events occur after the fusion of gametes (syngamy) to form a zygote.$1$. Embryogenesis: The process of development of an embryo

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Embryogenesis,$PEN$ formation

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(D) Post-fertilisation events occur after the fusion of gametes (syngamy) to form a zygote.$1$. Embryogenesis: The process of development of an embryo from the zygote.$2$. $PEN$ (Primary Endosperm Nucleus) formation: In angiosperms,the fusion of the male gamete with the two polar nuclei (triple fusion) results in the formation of the $PEN$.Both embryogenesis and $PEN$ formation are characteristic post-fertilisation events.

Column-$I$	Column-$II$
$P$. Pistil/Megasporophyll	$I$. Megasporophyll
$Q$. Ovule	$II$. Megasporangium
$R$. Embryo sac	$III$. Female gametophyte

From the processes given below,how many are associated with post-fertilisation events?

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