Biology · ANATOMY OF FLOWERING PLANTS

In dicotyledonous stems, the vascular bundles are described as open because:

1. A
   Xylem and phloem are arranged radially on alternate radii
2. B
   Cambium is present between phloem and xylem
3. C
   They lack any bundle sheath
4. D
   Phloem is located only on the outer side of xylem