Question:medium

Opening and closing of stomata is regulated by:

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Think of guard cells like a pair of balloons. When you "fill" them with water, they curve outward and create a gap (the stoma) in the middle.
Updated On: Mar 30, 2026
  • Guard cells
  • Epidermal cells
  • Xylem
  • Phloem
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The Correct Option is A

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