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:Which of the following phenomena causes capillary of…In the transverse of a dicot sperm, the region lying…The organelles present in cells that are actively…A necessary companion of the Rule of Law is?A significant companion of the rule of law is the?