Lignification is associated with
Xylem
Phloem
Parenchyma
Chlorenchyma
The chief water conducting elements of xylem in gymnosperms are
The interfibrillar material of the secondary wall is chiefly made up of
What is a permanent tissue ? It is a tissue
Protoxylem is the first formed xylem. If the protoxylem lies next to phloem what kind of arrangement of xylem would you call it?