Word there be any different than the weight of the potato cylindrical in beaker after 48 hours give reason .
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(i) (1) Hypotonic solution. (2) Hypertonic solution. (3) Isotonic solution.
(ii) In beaker 3, the concentration of solute in potato and the medium is the same. So there is no osmosis taking place, therefore, the size of the potato remains the same.
(iii) The concentration of cell sap is higher in the root hair as compared to soil. water due to endosmosis is taken place facilitating the absorption of water.
(iv) Osmosis is a process of flow of solvent molecules from lower concentration to higher concentration through a semipermeable membrane.
(v) The cell wall is freely permeable and the cell membrane is selectively permeable.
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