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प्रश्न
Name the following:
Name the process by which water enters the root hair cell.
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उत्तर
Osmosis
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संबंधित प्रश्न
A candidate in order to study the process of osmosis has taken 3 potato cubes and put them in 3 different beakers containing 3 different solutions. After 24 hours, in the first beaker the potato cube increased in size, in the second beaker the potato cube decreased in size and in the third beaker there was no change in the size of the potato cube. The following diagram shows the result of the same experiment:
(i) Give the technical terms of the solutions used in beakers, 1, 2 and 3.
(ii) In beaker 3, the size of the potato cube remains the same. Explain the reason in brief.
(iii) Write the specific feature of the cell sap of root hairs which helps in absorption of water.
(iv) What is osmosis?
(v) How does a cell wall and a cell membrane differ in their permeability?
A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?
(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
Define the term:
Plasmolysis
Explain why:
Bacteria and fungi do not grow in pickles, jams, jellies and squashes.
Define the cohesive force.
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
Give Reasons for the following.
Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered. Why?
Name the following:
Condition of cell in which the cell content are shrunken.
