Identify the incorrect statements out of the following:
(i) Epidermal tissue system forms the outermost covering of various plant organs.
(ii) Ground tissue synthesizes organic compounds and controls photosynthesis with the help of collenchyma cells.
(iii) Epidermal tissue of leaves is called mesophyll which is made up of two types of cells- palisade and spongy.
(iv) Ground tissue system forms interior of plant organs with exclusion of dermal and vascular systems.