Correct Answer :
D. A III, B I, C V, D II, E IV
A - Bulliform cells: They are large, bubble-shaped, empty colourless epidermal cells that occur in groups on the upper surface of the leaves of many grasses.
B - Pericycle: It is a thin layer of plant tissue between the endodermis and the phloem. Initiation of lateral roots and vascular cambium during the secondary growth takes place in these cells.
C - Endarch xylem: When protoxylem lies towards the centre (pith) and metaxylem lies towards the periphery of the organ, it is called endarch xylem. This type of xylem occurs in stems.
D - Exarch xylem: When protoxylem lies towards the periphery and metaxylem lies towards the centre, it is called exarch xylem. This type of xylem occurs in roots.
E - Bundle sheath cells: They are layer of cells in plant leaves and stems that forms a sheath surrounding the vascular bundles. These cells are found in dicot leaf.