Question
Duramen is present in
inner region of secondary wood
part of sap wood
outer region of secondary wood
region of pericycle
Solution
A.
inner region of secondary wood
The xylem elements of the stems of a number of trees develop dark brown colour, especially in the central or innermost layers.
It comprises dead element with higly lignified walls and is called heart wood or duramen. It is present in inner region of secondary wood.
