Q. The chief component of the middle lamella in plant cell is

 1941  215 Delhi UMET/DPMTDelhi UMET/DPMT 2009 Report Error

Solution:

Middle lamella is the outermost region of cell wall which acts as a cementing layer between two cells. Calcium pectate is a major constituent of middle lamella, however, some amount of magnesium pectate is also present in it.