Question:
Which structure protects the plant body against the invasion of parasites?
Solution:
Epidermis is the outer protective layer of plant body which does not allow the parasites to gain entry into the internal tissues due to
1. Absence of intercellular spaces
2. Thick outer walls
3. Deposition of cutin and wax in the cuticle covering the epidermis
4. Silica and other deposidons.