Question

Tree stem is flexible due to?

Answer 1

collenchyma cell is present in it

Answer 2

Here's your answer!!

______________________________

=>Tree stem if flexible due to presence of "Collenchyma Tissue".

=>It is a type of Parmanent tissue.

=> It allows easy bending in various parts of plants like stem, leaves .

=>It also provide Mechanical strength to the plants.

=>The cells of this tissue are living, elongated and thick at the corners. 

______________________________

Hope it helps you!! :)