Q. Which of the following is made up of dead cells ?
A) Xylem parenchyma
B) Collenchyma
C) Phellem
D) Phloem
Explanation
[Solution] Phellem (cork) cells are dead at maturity, with suberised walls. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.