Multiple Choice QuestionsDuramen is present in
inner region of secondary wood
part of sap wood
outer region of secondary wood
region of pericycle
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.
Most of the economically important fibre yielding plants belong to family
Malvaceae
Solanaceae
Cruciferae
Paceae
In cell cycle, during which phase chromosomes are arranged in equatorial plate?
Metaphase
Anaphase
Telophase
Prophase
Induction of flowering by low temperature treatment is
vernalization
cryobiology
photoperiodism
prunning
Switch
