Answer: Xylem.
- A Phloem
- B Xylem
- C Cortex
- D Pith
Correct answer: B. Xylem
Explanation: Wood is accumulated secondary xylem laid down year after year by the vascular cambium.
Concept context
Internal tissue organisation: meristems, permanent tissues (xylem, phloem, parenchyma), and secondary growth. Frequently tested in NEET.