Question
Biology Question on Transport in Plants
Conversion of starch to organic acids is required for
A
stomatal opening
B
stomatal closing
C
stomatal formation
D
stomatal activity.
Answer
stomatal opening
Explanation
Solution
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.