Question

where middle lamella is present

Answer 1

middle lamella is third layer of the cell wall it is present above the secondary layer of cell wall.

Answer 2

The middle lamella is a pectin layer which cements the cell walls of two adjoining plant cells together. It is the first formed layer which is deposited at the time of cytokinesis. The cell plate that is formed during cell division itself develops into middle lamella or lamellum.