The region of a plant stem in which cells divide to increase its diameter is? by Sunday | Dec 23 | Biology WAEC | 0 comments A. cambium B. phloem C. xylem D. collenchyma Correct Answer: Option A – cambium Users Also Read These:If a sound wave goes from a cold air region to a hot…In a fixed volume of a gas, an increase in…Which of the following instruments is most suitable…"It shall be neither mine nor yours; divide it" what…The stem of a typical aquatic plant usually has many?