NTA Abhyas NEET2020BotanyMineral NutritionPractice
In guard cells, presence of postassium is essential for
Options
- AMaintaining osmotic pressure
- BIn controlling cell division
- CIn enzymatic reactions
- DAll the above
Correct answer
A. Maintaining osmotic pressure
Step-by-step solution
The guard cells of stomata are involved in the process of transpiration and the turgidity of guard cells is controlled by potassium, chloride, and malate. This turgidity helps in maintaining the opening and closing of stomata.