Question

11. Plants, like trees, require special tissues to maintain their rigidity so they can grow upwards and branch out. Which of the following cell structures is most important in maintaining the rigidity of plants?

* A. 
Cell wall
* B. 
Cytoplasm
* C. 
Chloroplasts
* D. 
Cell membrane

Answer 1

Cell wall is right option.

Step-by-step explanation:

Answer 2

the cell wall is the most important structure in plants for maintaining shape and staying upright and rigid.