In vascular plants, the sieve tubes and companion cells are present in the? by Sunday | Sep 6 | Biology JAMB | 0 comments A. cambium B. cortex C. xylem D. phloem Correct Answer: Option D – phloem Users Also Read These:The organelles present in cells that are actively…A necessary companion of the Rule of Law is?The vascular tissues in higher plants are responsible for?In the root vascular system, the stele is directly…The sulphide that is commonly used in coating…