Question

What are the various methods used by plants to get rid of excretory products?

Answer 1

Plants can get rid of excess of water by 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.

Answer 2

♤ Plants get rid of CO2 and O2 through diffusion. Old branches and leaves are shed off when they become useless.

♤ Plants have a mechanism to release some waste products through roots also.

♤ Some waste products are deposited near bark as raisin or gums.