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प्रश्न
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.
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उत्तर
Osmosis in the diffusion of Water molecules from the region of higher water-water potential to that of lower potential across a S.P.M.
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संबंधित प्रश्न
The highest water potential (capacity to move out higher concentrated solution) is that of ______.
Complete the following statements:
Hypotonic solution is one in which the solution kept outside the cell has lower solute concentration than ……………… the cell.
The bending movements of certain flowers towards the sun and the sleep movements of certain plants at night are examples of ______.
The following diagram represents a plant cell after being placed in a strong sugar solution.
Guidelines 1 to 5 indicate the following
(1)Cell wall, (2) Strong sugar solution, (3) Protoplasm (4) Large vacuole, (5) Nucleus
(1)What is the state of the cell shown in the cell shown in the diagram?
(2)Name the structure which acts as a selectively permeable membrane.
(3)If the cell had been placed in distilled water instead of strong sugar solution, which feature would not have been seen?
(4)Name any one feature of this plant cell which is not present in an animal cell.
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypertonic salt solution
Distinguish between the following:
Filtration and diffusion
Name the following:
Movement of molecules from a region of high concentration to a region of low concentration.
Explain why:
Bacteria and fungi do not grow in pickles, jams, jellies and squashes.
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
During a practical exam, a plant cell in a particular solution was placed under a compound microscope. Students were told to observe the cell and name the tonicity of the solution and mention the process that occurred in the cell.
