Multiple choice

Starch-sugar conversion hypothesis of the stomatal opening was proposed by

  1. Levitt

  2. Sayre & Steward

  3. Sachs

  4. Emerson
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The starch-sugar interconversion theory, which explains stomatal movement based on the osmotic changes resulting from starch hydrolysis to glucose, was proposed by Sayre and later supported by Steward.

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