Question

A conjoint and open vascular bundle will be observed in the transverse section of

• A. monocot root
• B. monocot stem
• C. dicot root
• D. dicot stem

Answer 1

Answer: (D)

dicot stem

Open vascular bundle: If the cambium is present in the vascular bundle; it is called open. It exhibit secondary growth.

Closed vascular bundle: If the cambium is absent, the vascular bundle is called closed. IT do not exhibit secondary growth.

In moncot stem, vascular bundles are conjoint, collateral or concentric, endarch and closed.

In dicot stem, vascular bundles are conjoint, collateral or bicollateral, endarch and open.

So, the correct answer is 'Dicot stem'.