In vascular plants, the sieve tubes and companion cells are present in the? By: Sunday|Published on: Sep 6|Categories: 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…One of the differences between plant and animal…In which of the test tubes will glucose be detected…Flourescent tubes produces light by the?The opening of the guard cells of the epidermis in…SEE ALSO The genes affecting the same trait and are located at the same position on the homologous chromosomes are called?