Which of the following statements about cork cambium is incorrect?

The heartwood cannot conduct water because of

The vascular cambium cuts off more cells towards the .........

From the plants given below,select the monocots having secondary growth in their stem.

Select the correct statement$(s)$:
$(1)$ Lenticels are absent in woody climbers.
$(2)$ Lenticels are found in most woody trees.
$(3)$ Spring wood is lighter in color and has a lower density.
$(4)$ Sapwood is also known as duramen (heartwood).

Tissue present in an annual ring is