Q. Closed vascular bundles lack
A) Pith
B) Ground tissue
C) Conjunctive tissue
D) Cambium
Explanation
[Solution from source] A closed vascular bundle has no cambium between xylem and phloem, so it cannot form secondary tissue (as in monocots). Pith, ground tissue and conjunctive tissue are not parts of the bundle itself. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.