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प्रश्न
Give a diagrammatic representation of plasmolysis in a cell.
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उत्तर
(a) A cell in normal turgid condition
(b) - (d) Successive stages in shrinkage of protoplasm from the cell well after being placed in a hypertonic solution. Diagrammatic representation of plasmolysis in a cell
संबंधित प्रश्न
The bending movements of certain flowers towards the sun and the sleep movements of certain plants at night are examples of ______.
Distinguish between the following:
Hypotonic and Hypertonic solutions
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Explain why:
Bacteria and fungi do not grow in pickles, jams, jellies and squashes.
Define the cohesive force.
Give at least three uses of water to green plants
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
The diagram given below is of an experiment just at the start. Study the diagram carefully and answer the following questions :
(i) What does the experiment demonstrate?
(ii) Define, the process demonstrated in the experiment.
(iii) What changes are observed after a few hours?
(iv) Give two examples of a semi-permeable membrane.
(v) Which limb of the U-tube contains a more concentrated sucrose solution, A or B?
(vi) Why is the membrane separating the two solutions labeled as semi-permeable membrane?
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.
