Vascular cambium is a meristematic layer that cuts off
Primary xylem and primary phloem
Xylem vessels and xylem tracheids
Primary xylem and secondary xylem
Secondary xylem, secondary phloem and medullary rays
The wood is, in fact a
Each of the following terms has some anatomical significance. What do these terms mean ? Explain with the help of line diagrams.
$(A)$ Plasmadesmoses / Plasmodesmata
$(B)$ Middle lamella
$(C)$ Secondary wall
Desert grasses often roll their leaves due to presence of
Lenticel develops through the activity of