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प्रश्न
Give Reasons for the following.
Plants begin to die when the excess of soluble fertilizers are added to the soil?
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उत्तर
Excess application of soluble fertilizers in soil makes the soil solution hypertonic than cell sap, hence exosmosis takes place and plants begin to die.
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संबंधित प्रश्न
Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement a separating membrane, is called
Define the following:
Osmosis
Explain why:
We gargle with saline solution in case of throat infection.
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:
Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
Give Technical Term for the following.
A solution whose concentration is greater than that of the cell sap.
Name the following:
The pressure through which water can rise upto some feet.
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
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.
Explain the term:
Diffusion
