Collenchymatous hypodermis is a characteristic of:

Collenchymatous hypodermis is a characteristic feature of .........

Conjoint,collateral and closed vascular bundle is found in

$A$ transverse section of a plant part shows the following characteristics:
$(a)$ Numerous,scattered vascular bundles,each surrounded by a bundle sheath.
$(b)$ $A$ large,conspicuous parenchymatous ground tissue.
$(c)$ Conjoint and closed vascular bundles.
$(d)$ Absence of phloem parenchyma.
Identify the type of plant and the part:

In the stem of barley $(Hordeum \text{ } vulgare)$, the vascular bundles are .......

The transverse section of a plant material shows the following anatomical features under microscope $:-$
$(a)$ Collenchymatous hypodermis
$(b)$ Sclerenchymatous pericycle located just above phloem bundles in semi-lunar patches.
$(c)$ Vascular bundles are arranged in a ring.
$(d)$ Vascular bundles are conjoint & open.
Plant material should be :