Which of the following statement is true?

Options

A. The collenchyma occurs in layers below the epidermis in monocotyledonous plants.
B. Sclerencyma cells are usually dead and without protoplasts.
C. Xylem parenchyma cells are living and thin walled and their cell walls are made up of lignin.
D. The companion cells are specialized sclerenchymatous cells.

Answer

B