Cortex is the region found between

1.  epidermis and stele

2.  pericycle and endodermis

3.  endodermis and pith

4.  endodermis and vascular bundle

Read the different components from I to IV in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem.
I. Secondary Cortex 
II. Wood 
III. Secondary phloem 
IV. Phellem 
The correct order is

1. III,IV,II,I

2. I,II,IV,III

3. IV,I,III,II

4. IV,III,I,II

Anatomically, fairly old dicotyledonous root is distinguished from the dicotyledonous stem by

1. absence of secondary xylem

2. absence of secondary phloem

3. presence of cortex

4. position of protoxylem