MCQOPTIONS
Saved Bookmarks
| 1. |
Stomata of a plant open due to: |
| A. | Influx of calcium ions |
| B. | Influx of potassium ions |
| C. | Efflux of potassium ions |
| D. | Influx of hydrogen ions |
| Answer» C. Efflux of potassium ions | |