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प्रश्न
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उत्तर
Plants begin to die when concentrated solution of a fertilizer is given to potted plants because fertilizer along with soil water act as a hypertonic solution resulting in exosmosis.
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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?
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypotonic salt solution
Name the following:
Condition of cell in which the cell contents are shrunken.
Explain why:
Bacteria and fungi do not grow in pickles, jams, jellies and squashes.
Choose the correct answer:
If a marine plant is transferred to fresh water, it bursts due to ___________
Give Reasons for the following.
The raisins swell up in the water.
Give Reasons for the following.
Freshwater fish cannot survive in seawater.
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
Fill in the Blank
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.
Multiple Choice Question:
Osmosis involves:
