Write a short and clear response to the question:
 
What function do leaves perform in getting rid of plant wastes?
 
a. The part of a plant cell that acts as a storage chamber for wastes is the.
 
b. Oxalic acid , which is stored in the vacuoles of mesophyll and epidermal cells, crystallises as _______.
 
c. The formation ofin plants helps in the disposal of excess nitrogenous wastes.
 
d. Tannins in plants are formed from.