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Question : How do the guard cells regulate opening and closing of stomatal pore ? |
| Answer» Solution :OPENING and closing of stomata occursdue to turgor changes in GUARD cells. Moreover guardcells havedifferentially thickened walls i.e.,outer walls are thin and INNER walls are thick. Absorption of water causes guardcells to swellupand get curved out resultingin the openingof stomatalporewhereasduring flacidconditions, shrinking of guardcells TAKES places thatcausesclosureof stomatal pore . | |