Moderate

Conversion of starch to organic acids is required for:

Correct answer: B. Stomatal closing

  • A. Stomatal opening
  • B. Stomatal closing
  • C. Stomatal formation
  • D. Stomatal activity

Explanation

There is evidence to believe that besides organic acids the turgidity of guard cells is usually controlled by K + , Cl - and H + . The opening of stomata is initiated by exertion of H + by guard cells, intake if K + and Cl disappearance of starch and appearance of organic acids like malic acid. So correct option is A.

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