In TS of dicot stem ________ is present on the inner side of the endodermis and above the phloem in the form of semilunar patches of sclerenchyma.

1.	Pericycle	2.	Casparian strip
3.	Pith	4.	Protoxylem

___________ arrangement of vascular bundle is a characteristic of dicot stem.

A large number of rounded, parenchymatous cells with large intracellular spaces which occupy the central position of stem constitute the __________.

Phloem parenchyma is absent in

In dicot leaves the ________ epidermis generally bears more stomata than the _________ epidermis.

The tissue between the upper and lower epidermis is called

Mesophyll in dicot leaves has two type of cell namely_________.

Vascular bundles are surrounded by a layer of thick walled ________.

In monocot leaf

In grasses certain adaxial epidermal cells along the vein modify themselves into large, empty, colourless cells called ________.