The male gametophyte generation develops largely within pollen grains of angiosperms.

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Quizplus · Accepted Answer

This is true. The male gametophyte (or microgametophyte) of angiosperms develops within the pollen grains, which are ultimately released from the anthers of the flower. Once the pollen grain lands on a receptive stigma, it germinates and the male gametophyte develops further to produce two sperm cells, which are ultimately involved in fertilization.

The Male Gametophyte Generation Develops Largely Within Pollen Grains of Angiosperms