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प्रश्न
Give Technical Term for the following.
A solution whose concentration is greater than that of the cell sap.
उत्तर
Hypertonic
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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?
Osmosis and diffusion are the same except that osmosis there is:
The bending movements of certain flowers towards the sun and the sleep movements of certain plants at night are examples of ______.
Name the following:
Two solutions having same concentrations.
Name the following:
Movement of molecules from a region of high concentration to a region of low concentration.
Give Reasons for the following.
Salt and sugar are used in preserving food.
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The plasma membrane permits the passage of all solutes and water.
Multiple Choice Question:
Osmosis involves:
DPD of a cell can be expressed as ______
