Skip to content

Course home

x
Sign up
x

Physical plant defences

Physical plant defences

Physical defences prevent pathogens from entering living plant tissue. The waxy cuticle covers the leaf epidermis, while bark forms a thick barrier of dead cells around older stems.

5.2 Plant and body defences Lesson

  1. GCSE
  2. /Biology
  3. /5.2 Plant and body defences

Step-by-step lessons on Edexcel GCSE Biology 5.2 Plant and body defences, covering 5.2.1 Physical plant defences, 5.2.2 Chemical plant defences, 5.2.3 Detecting plant diseases, and 5.2.4 Human physical and chemical defences. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons