Use the diagram below to answer this question.
The part labelled l is the
A.
spongy mesophyll
B.
upper epidemis
C.
cuticle
D.
vein
Correct answer is C
The plant cuticle is the outermost layer of plants. It covers leaves, fruits, flowers, and non-woody stems of higher plants.
It protects plants against drought, extreme temperatures, UV radiation, chemical attack, mechanical injuries, and pathogen/pest infections.