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प्रश्न
Explain why:
The leaves of wilted lettuce, if kept in cold water, become crisp.
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उत्तर
The leaves of the wilted lettuce become crisp when kept in cold water because they take up water due to endosmosis in hypotonic solution.
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संबंधित प्रश्न
(a) Mention whether the following statement is true (True) or false (False)
(b) Correct the false statement by altering the last word only.
A plant cell placed in hypotonic solution gets Plasmolysed.
Define the following:
Osmosis
Explain why:
We gargle with saline solution in case of throat infection.
Choose the correct answer:
Osmosis involves diffusion of ___________
Fill in the Blank
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.
Fill in the Blank
When there is no movement of water in the cell from the outside medium, the medium is considered to be ______ to cell sap.
Fill in the Blanks
Osmosis in the diffusion of _______ molecules from the region of higher _____ potential to that of lower potential across a S.P.M.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Cells that have lost their water content are said to be deplasmolysed.
Name the two organelles in a plant cell that contain their own genetic material and ribosomes.
