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:Animal cells are different from plant cells because…In which of the test tubes will glucose be detected…The vascular tissues in higher plants are responsible for?Which of the following structures is not present in…In the transverse of a dicot sperm, the region lying…