HORTICULTURE

Detailed explanation-1: -Mature sclerenchyma cells are mostly dead cells and contain heavily thickened secondary walls having deposits of lignin. This is a non-living cell.

Detailed explanation-2: -Mature sclerenchyma cells are usually dead cells that have heavily thickened secondary walls containing lignin. The cells are rigid and nonstretchable and are usually found in nongrowing regions of plant bodies, such as the bark or mature stems.

Detailed explanation-3: -As a matter of fact, when sclerenchyma cells are fully mature, they die.

Detailed explanation-4: -Sclerenchyma are long, narrow cells with thick, lignified cell walls. They are usually dead and without protoplasts.

Detailed explanation-5: -Xylem cells are dead and empty of cell contents at maturity and essentially form tubes for water transport.