In stem, the xylem is |
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a) |
Exarch |
b) |
Mesarch |
c) |
Endarch |
d) |
All of these |
In stem, the xylem is |
|||||||
a) |
Exarch |
b) |
Mesarch |
c) |
Endarch |
d) |
All of these |
(d) When the xylem is differentiated from the point of origin towards outside (i.e., periphery of axis), it is known as centrifugal xylem. In such cases as represented by stems, the protoxylem is situated towards inside and the metaxylem towards outside. This type of condition of xylem is called endarch. |