Water cavity is found in -

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.

Bicollateral vascular bundles are found in .......

Vascular bundles in monocotyledons are considered closed because:

Vascular bundles in dicot stem are

In dicot stem,vascular bundles are