Question

How are the xylem and phloem arranged in a conjoint vascular tissue system?

Answer 1

Conjoint vascular tissue system:

1. When the xylem and phloem of a vascular bundle lie on the same radius, it is called the conjoint vascular bundle.
2. The conjoint collateral vascular bundle has two types on the basis of cambium- Open & Closed.

1. Open- In this, the xylem is towards the inner side and the phloem is towards the outer side. There is cambium in between them.
2. Closed- In this, xylem towards the inner side and phloem towards the outer side and there is no cambium between them.