Outer boundary of the cell in a Plant cell

cell wall

Explanation:

Cell wall is the outermost boundary in plant cell whereas plasma membrane or cell membrane is the outermost boundary in animal cells. In a plant cell, cell membrane is found in the inner side of the cell wall.

Answer: The cytoplasm is the fluid interior of the cell, and the site of much of the cell's metabolism. The cell wall is the outer boundary of a plant cell.