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(a) With the help of well-labelled diagrams, describe the process of plasmolysis in plants, giving appropriate examples.
(b) Explain what will happen to a plant cell if it is kept in a solution having higher water potential.
(b) Explain what will happen to a plant cell if it is kept in a solution having higher water potential.
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(a) Plasmolysis is shrinkage of protoplast of a cell from its cell wall under the influence of a hypertonic solution (solution of higher concentration).
(b) The process of plasmolysis is usually reversible. When the cells are placed in hypotonic solution (solution with low concentration), water diffuses into the cell causing the cytoplasm swelling up. Swelling of shrunken protoplast is called as deplasmolysis.
(b) The process of plasmolysis is usually reversible. When the cells are placed in hypotonic solution (solution with low concentration), water diffuses into the cell causing the cytoplasm swelling up. Swelling of shrunken protoplast is called as deplasmolysis.
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