Questions in plant-water-relation

Select	Question
	Which of the following theory gives the latest explanation for the closure of stomata
	In the mechanism of opening of stomata, the important factor is the
	Basis of stomatal opening is
	Stomata open when guard cells are
	Which of the following shows physiological xerophytic characters
	Steward's theory of stomatal opening and closure assumes the presence in the guard cells, of the following enzymes
	Stomatal opening and closing is due to the permeability of the guard cell. This fact was revealed by
	A plant requires potassium for
	Stomatal mechanism operates in response to
	Opening and closing of stomata is controlled by