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Sexual Reproduction in Flowering Plants — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYSexual Reproduction in Flowering Plants3 Marks
Question
Write the differences between male and female gametophyte.
✓

Answer

Differences between male and female gametophytes are:
S. No.
Male gametophyte
Female gametophyte
1.
It is derived from a microspore, which is produced inside the pollen chamber of anther.
It is derived from a megaspore, which is formed inside the nucellus of an ovule.
2.
The microspores are shed at maturity and transferred from anthers to stigma by the process called pollination
The megaspores do not shed from the ovule. They develop to form embryo sac within the ovule.
3.
The mature male gametophyte is 3-celled.
The mature female gametophyte is 7-celled.

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