Q. In the following, how the sapwood is converted into heartwood?
A) By degeneration of protoplast of living cells
B) Tylosis formation
C) By deposition of resins, oils, gums, etc
D) All of the above
Explanation
By the deposition of resins, oils, gums, etc, in the xylem cell wall, ‘formation of tylosis’ in xylem vessels and by degeneration of protoplast of living cell ‘sapwood’ is converted into ‘heartwood’.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.