Q. Damaged sieve tubes are sealed by deposition of
A) Pectin
B) Callose
C) Suberin
D) Lignin
Explanation
Damaged sieve tubes are sealed by the deposition of calloses across the sieve plates blocking the sieve pores.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.