Author: Padmini Garud

Osmosis

Osmosis Osmosis is the movement of solvent from a region of its higher concentration to a region of its lower concentration when the two are separated by a semipermeable …

Imbibition

Imbibition : Plant-Water Relations Imbibition is the absorption of water by the solid particles of an adsorbant without forming a solution . The particles which absorb water are the …

Plasmolysis in plant cell

 Plasmolysis Plasmolysis is the shrinkage of the protoplast of a cell from its cell wall under the influence of a hypertonic solution. If a plant is placed in highly …

Role of k+ in Stomatal Movement

 Role of k+ in stomatal movement: Imamura and M. Fujino (1959) found a direct correlation between stomatal movement and K+ ion concentration of guard cells. Fujino proposed that stomatal …

Opening and Closing of Stomata

Mechanism of opening and closing of stomata  Stomatal transpiration occurs when stomata are fully open.  The opening and closing of stomata is a direct response to increase or decrease …

Transpiration

Transpiration  Transpiration is the process of loss of water in the form of vapours from the aerial portions of the  plant.  Less than 5% of total water absorbed by …