Class XI: BIO Digest: This article covers high yield facts of the given topic.

The article introduces the taxonomy of the Plant Kingdom, dividing it into Cryptogamae and Phanerogamae, which further branch into algae, bryophytes, and pteridophytes, alongside gymnosperms and angiosperms. Topics include the characteristics, reproductive modes, and ecological significance of algae, bryophytes, and their classification within plant biology.