1.

How do plants get rid of their excretory products?

Answer»
  • Excretion is a simpler process in plants. There is no special organ or system for excretion in plants. 
  • Gases are given out by diffusion. 
  • Most of the waste substances of plants are stored in vacuoles of leaf-cells and in flowers, fruits and the bark of the stem. 
  • After some time these parts fall off. 
  • Some other waste materials are stored in old and worn out xylem in the form of resin and gum. 
  • Some waste materials are also given out through roots in the surrounding soil.


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