The set belonging to gametophytic generation of Pinus is

Ovuliferous scale, bract scale and embryo

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Endosperm; sperms; megaspores

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Pollen; embryo; endosperm

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Integument, prothallial cells of pollen; bract scales

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Solution

The correct option is B Endosperm; sperms; megaspores
Gametophytic generation are haploid cells.
Microspores or pollen grains produce male gametophyte, the single megaspore with in megasporangium (nucellus), develops into a female gametophyte and endosperm, which develops before fertilization are all haploid (n).

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