Q. A protoplast is a cell:

 1596  173 NTA AbhyasNTA Abhyas 2020Cell : The Unit of Life Report Error

Solution:

Plant cell - cell wall = Protoplast
Protoplast is a biological term proposed by Hanstein in 1880 to refer to the entire cell, excluding the cell wall, but currently has several definitions: a plant, bacterial or fungal cell that had its cell wall completely or partially removed using either mechanical or enzymatic means.