Which of the following is not a pre-fertilisation event in flowering plants?

Formation of Secondary nucleus

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Porogamy

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Formation of megaspore dyad

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Divisions of PEN

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Solution

The correct option is D Divisions of PEN

Secondary nucleus is formed by the fusion of two polar nuclei before fertilisation.

Porogamy is entry of pollen tube through micropyle and it is a pre-fertilisation event.

Megaspore dyad is formed from megaspore mother cell or MMC before fertilisation.

PEN is primary endosperm nucleus and it is formed during triple fusion of double fertilisation.

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Which of the following is a pre fertilisation event?

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