Question

Which chemical layer is found to the upper layer epidermal layer of leaf?

Answer 1

The non cellular cuticle is found above the epidermal layer in plants.
It is a waxy coating on leaves.

Answer 2

The cuticle and upper epidermis provide protection for the plant. Below that is the palisade layer, which is the location of photosynthesis within the leaf. Below the palisade layer is the spongy layer, which contains cells that are more spread out, allowing for air pockets.