Question

Demonstrartion of endosmosis &exosmosis .....plzzzzz answer fast ..buddies...❣️❣️❣️

Answer 1

Answer:

Endosmosis and Exosmosis:

Endosmosis :

‘Osmosis in which the direction of osmotic flow of water is into the cell”.

Endosmosis

Changes in the Cell Due To Endosmosis:

(i) Increase in the volume of the cell sap causing an increase in the internal pressure, (i.e. Turgor pressure).

(ii) Dilution of the cell sap due to the absorption of water.

(iii) Enlargement of the protoplast due to endosmosis. The enlarged protoplast is pressed against the cell wall due to the Internal pressure.

(iv) Cell wall is rigid. It resists increases in the volume and exerts a counter pressure on the enlarging protoplast. (Wall Pressure).

Exosmosis :

“When the osmotic flow of water is from the inside of the cell to the outer hypertonic medium through the cell membrane.”

Exosmosis

Changes in the Cell Due to Exosmosis:

(1) Loss of turgor and decrease in turgor pressure of the cell.

(2) Shrinking of the cell protoplast (plasmolysis).

(3) Cell wall become relaxed

(4) Decrease in W.P. corresponding to the decrease in T.R

(5) Concentration of the cell sap increases due to the loss of water.

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