Question

Which part of the plant cell premits it to with stand very dilute external medium without bursting

Answer 1

cell wall.hope it will help you. I don't know exact answer but I know that it will help you.

Answer 2

Here is your answer =)

~Cell Wall as...
*When the cell becomes turgid by placing in a hypotonic solution, it exerts pressure and the cell wall exerts equal pressure on it and prevents bursting of the cell... 

Hope it Helps You Out...!!!
Thanks (^^)