Multiple choice Which of the following statements is not correct? In dicot roots, vascular bundles are radial. In monocotyledons, root cambium is absent. Cortex and pith are not distinct in monocot stem. Scattered vascular bundles are characteristic features of dicot stem. Phellogen is a lateral meristem. Reveal answer Fill a bubble to check yourself D Correct answer Explanation Correct answer. In dicot stem, vascular bundles are conjoint, collateral and open. Scattered vascular bundles are a characteristic feature of monocot stem.