Q. The osmotic expansion of a cell kept in water is chiefly regulated by :
A) Mitochondria
B) Vacuoles
C) Plastids
D) Ribosomes
Explanation
[Solution] The vacuole (tonoplast) regulates osmotic water uptake and turgor. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.