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In the life cycle of angiosperms , which of the following stages is diplod ?
Option: 1
Megaspore
Option: 2
Polar nuclei of embryo sac
Option: 3
Microsporocyte
Option: 4
both megaspore and polar nuclei
Answers (1)
Reproduction in Angiosperms -
Male gametophyte (pollen grain) or microspores reach megasporophyte and through pollen tube reach ovule where one male gamete fuses with egg of embryo sac and another with secondary nucleus.
- wherein
Fusion of one male gamete with secondary nucleus results in formation of endosperms which provide nourishment to developing embryo.
Microsporocytes are diploids cells which are capable of undergoing meiosis to form a tetrad of haploid microspores
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