Name three groups of plants that bear archegonia. Briefly describe the life cycle of any one of them.
Which of the following statements correctly describes the characteristic features of gymnosperms in comparison to other plant groups mentioned? S1: Gymnosperms are distinguished by their naked seeds, as their ovules are not enclosed within an ovary wall at any stage. S2: The female gametophyte of gymnosperms is multicellular and bears archegonia, which is also a feature found in bryophytes and pteridophytes. S3: Unlike angiosperms, gymnosperms lack true flowers and do not undergo fruit formation following fertilisation. S4: In gymnosperms, the endosperm develops after fertilisation and is triploid, providing nourishment to the embryo. S5: The male and female gametophytes in gymnosperms are highly reduced and are retained within the sporangia on the sporophyte, lacking an independent free-living existence.
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