Q

When water enters the guard cells, the guard cells and stomata

RRB NTPC (Graduate Level) Stage-II; RRB Technicians Grade-III 13/10/2025 (Shift-I); 26/12/2024 (Shift-II) 2025; 2024
✓ Answer: C Swell; opens
Water entering guard cells increases their turgor pressure, causing them to swell and the stomatal pore to open.