Multiple choice

The vascular bundle of cycas stem are ____________.

  1. conjoint

  2. radial

  3. collateral and closed

  4. conjoint, collateral and open

  5. conjoint, collateral and closed

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Gymnosperm stem usually contains conjoint,  collateral and open vascular bundles, i.e.,  cambium is present between xylem and phloem and is responsible for the secondary growth.