Question

Youngest layer of secondary xylem in wood of dicot stem is located just

• A. Outside the cambium
• B. Immediately below the cambium, on the inner/pith side
• C. Outside pith
• D. Inside the cortex

Answer 1

The correct option is B Immediately below the cambium, on the inner/pith side

In the stems of dicotyledonous trees are growing temperate regions. Further its secondary growth, vascular cambial ring produces secondary phloem towards the outer side and secondary xylem towards the inner side. When secondary growth is continuing, old secondary xylems pushed towards the centre. Young secondary xylems are present nearer to the just inner to the vascular cambial ring.

So, the correct option is ‘B.