Question

what are the methods used by plants to get rid of excretory products

Answer 1

by forming gum like product on their wood, giving fruits and vegetables.

Answer 2

The method used by the Plants to get rid of excretory products are Transpiration, Waste materials may be stored in the cell vacuoles or as gum and resin, especially in old xylem. It is also stored in the leaves that later fall off.