Unit 4 · Plant Form and Function
Transpiration through stomata, the cuticle and lenticels, the factors that change its rate, measuring it with a potometer, how guard cells open and close stomata (potassium ion mechanism, ABA), guttation, wilting and xerophytic adaptations.
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.