Q. Stomatal apparatus consists of

A) Stomatal aperture
B) Guard cell
C) Subsidiary cells
D) All of these
Explanation

The stomatal aperture, guard cells and the surrounding subsidiary cells are together called stomatal apparatus

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.