Root pressure exceeds over transpiration pull during

The principal transpiring organ of a plant is:

Arrange the events of opening stomata in correct sequence and choose the correct option accordingly.
$I.$ Lowering of osmotic potential of guard cells
$II.$ Decline in guard cell solute
$III.$ Rise of potassium ion level in guard cells
$IV.$ Guard cells absorb water from neighbouring epidermal cells
$V.$ Guard cells become flaccid
$VI.$ Guard cells swell and create a pore between them

The difference between apple and mulberry type of stomatal distribution is:

The amount of water transpired by a beech tree in summer is:

The theory of starch-glucose interconversion for stomatal opening and closing was proposed by: