The opening of the stomata is related to the influx of the K+ions into the guard cells. The K+ions are obtained from the nearby subsidiary and epidermal cells. Due to this influx, the concentration of the K+ions in the guard cells. The presence of high energy ATP molecules triggers the entry of K+ions into the guard cells. Further, the presence of ATP also triggers the H+uptake by guard cell chloroplasts or mitochondria.
Stomata of a plant open due to:
NEET UG 2003 — Botany Photosynthesis in Higher Plants
2003mcqeasy
Stomata of a plant open due to:
Official previous-year question
Held on 30 Apr 2003 · Verified 9 Jul 2026.
Options
- A
influx of potassium ions
- B
efflux of potassium ions
- C
influx of hydrogen ions
- D
influx of calcium ions
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NEET UG Photosynthesis in Higher Plants in other years
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