Find the statement that is $\text{NOT}$ correct with regard to the structure of monocot stem.

The $T.S.$ of the stem of $Cucurbita$ can be identified from the $T.S.$ of a sunflower stem by the presence of:

The transverse section of a plant shows the following anatomical features:
$(a)$ Large number of scattered vascular bundles surrounded by bundle sheath.
$(b)$ Large conspicuous parenchymatous ground tissue.
$(c)$ Vascular bundles conjoint and closed.
$(d)$ Phloem parenchyma absent.
Identify the category of plant and its part.

If the protoxylem is towards the center and the metaxylem is towards the periphery,the arrangement of xylem is called $.........$.

Monocot stem differs from dicot stem in having

Select the correct option$(s)$ from the following statements:
$(i)$ Fibers are thin-walled,elongated,and pointed cells.
$(ii)$ Water-containing cavities (lysigenous cavities) are found in the vascular bundles of monocot stems.