Unit 4 · Plant Form and Function
The primary structure of dicot and monocot stems in transverse section, the arrangement and structure of vascular bundles (open and closed, collateral), and a comparison of stems with roots.
Deshapriya Senevirathne. B.Sc. (Hons) Biology Special, University of Peradeniya — graduated with a class pass. All the content and lessons in A/L Biology on Paadama are reviewed by Deshapriya Senevirathne, and the lessons are taught by him.