Amphivasal or leptocentric vascular bundles are found in

$A$ vascular bundle in which a group of xylem and a group of phloem are on the same radius with xylem near the pith and phloem near the cortex and both are not separated by the cambium,is called:

Generally,the cells of the cortex lack $.....$.

The rind of $Citrus$ fruit possesses:

In which type of vascular bundles are xylem and phloem present at the same radius?

The ground tissue system includes ................ .