Q. Companion cells in plants are associated with
A) Vessels
B) Sperms
C) Sieve elements
D) Guard cells
Explanation
Companion cell is a thin-walled elongated cell, which is associated with sieve tube. The sieve tube elements lack nucleus, they remain living being dependents upon the adjacent companion cell nucleus.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.