Which is not a part of periderm ? a. Phellogen b. Cork c. Secondary cortex d. Wood
Option D. The multilayered structure shaped through extrastelar secondary growth in dicot stem is known as Periderm. it's far fashioned withinside the region of cortex. it's far shaped with the aid of using the ideas of a ring of meristamatic tissue fashioned with the aid of using the dedifferentiation of parenchyma present withinside the cortex. It is referred to as cork cambium or phellogen.