Which of these is/are responsible for an increase in the thickness of a plant?
I. Apical meristem
II. Vascular cambium
III. Cork cambium
1
I only
2
II only
3
III only
4
II and III
Which of these is/are responsible for an increase in the thickness of a plant?
I. Apical meristem
II. Vascular cambium
III. Cork cambium