Conversion of starch to organic
acid is essential for ?
(A) Stomatal closure
(B) Stomatal opening
(C) Turgidity of guard cell
(D) Both (B) and (C)
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Answer:
Starch is osmotically inactive and does not contribute to decrease in water potential. Conversion of starch to organic acids like malic acid promotes uptake of ions like Potassium. This decreases water potential and helps in uptake of water. Thus making guard cells turgid and opening of stomata.
So, the correct answer is 'Stomatal opening
Explanation:
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