1.
I. Primary tissues of plants add length to the roots and shoots
II. Secondary tissue of plants adds diameter to the roots and shoots
III. Cells of permanent tissue are specialised both structurally and functionally
Which of the above statement is/are true?
2.
The size of vascular bundles on the leaflet depends upon the
I. leaf margin     
II. leaf petiole
III. leaf size        
IV. leaf veination
Select the correct combination of options given below
3.
Interfascicular cambium is a
4.
Duramen is present in
5.
Diffused porous woods are characteristic of plants growing in