The waxy material deposited in the casparian strip of the endosperm is
Lignin
Pectin
Hemicellulose
Cellulose
Suberin
Suberin is a water-impermeable waxy material which deposits in the cell walls of the endodermal cells.
Most cells of endodermis have thickened strips due to deposition of suberin and lignin. They are called as __