Q. 2. What are the methods used by plants to get rid of excretory products?
The following methods are used by plants to get rid of excretory products:
(i) Gaseous wastes are released in the atmosphere through the stomata in leaves and lenticels in stems.
(ii) Solid and liquid wastes are excreted by leaves shedding, bark peeling off, and through fruits.
(iii) Waste products are excreted by releasing them through gums and resins.
(iv) Some waste products are directly released into the soil by the roots.