Question

What is the difference between parenchyma and collenchyma?

Answer 1

Parenchyma	Collenchyma
1. The tissue consists of thin-walled living cells.	1. The tissue consists of cells having localised thickening in their cell walls.
2. It is distributed in almost all the parts of the plant body.	2. It occurs mostly in the aerial parts of the plants and is restricted to the other layers.
3. The living cells of parenchyma assimilate and store food. They also store waste products	3. Collenchyma is the chief mechanical tissue in parts of a young plant particularly in the young dicotyledonous stems.