Question

Which of the following layer of cells are present just outside the vascular cambium?

• A. Oldest secondary xylem
• B. Youngest secondary phloem
• C. Primary phloem
• D. Youngest secondary xylem

Answer 1

Answer: (B)

Youngest secondary phloem

Vascular cambium divides during secondary growth of the plant and produces secondary xylem towards the central axis of the stem and phloem add up towards the outside and is known as the cambial zone.

So the correct option is 'Youngest secondary phloem'.