Unit 4 · Plant Form and Function
Essential macronutrients and micronutrients and their roles, deficiency symptoms, how nutrient requirements are shown by solution culture (hydroponics), nitrogen supply and the nitrogen-fixing bacteria, and special nutrition such as carnivorous plants.
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.