Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
In guard cells, presence of postassium is essential for
BiologyMineral NutritionNEET
Options:
  • A Maintaining osmotic pressure
  • B In controlling cell division
  • C In enzymatic reactions
  • D All the above
Solution:
1961 Upvotes Verified Answer
The correct answer is: Maintaining osmotic pressure
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.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.