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प्रश्न
Choose the correct answer:
Osmosis involves diffusion of ___________
पर्याय
suspended particles from lower concentration to higher concentration.
suspended particles from higher concentration to lower concentration.
Molecules or ions from the more concentrated solution to the less concentrated solution.
water from the less concentrated solution to the more concentrated solution.
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उत्तर
Molecules or ions from the more concentrated solution to the less concentrated solution.
APPEARS IN
संबंधित प्रश्न
The highest water potential (capacity to move out higher concentrated solution) is that of ______.
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with ______.
Explain how soaked seeds swell up and burst their seed coats.
Name the following:
Movement of molecules from a region of high concentration to a region of low concentration.
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A and B), the container A having water and the other (B) containing concentrated sugar solution. After 24 hours when the cubes were examined, those placed in water were found to be firm and had increased slightly in size and those placed in concentrated sugar solution were found to be soft and somewhat decreased in size. Use the above information to answer the questions that follow:
Account for the softness and decrease in size of the potato cubes which were placed in sugar solution.
Give Reasons for the following.
Freshwater fish cannot survive in seawater.
The beaker is divided into two chambers A and B. The big circle represents solute and the small circles solvent.
(i) What can you say about the size of the holes in the membrane, if it is to behave semi- permeably between these two?
(ii) Will the solvent molecules pass through the membrane from left to right, from right to left, in either direction or in both directions?
(iii) In which direction will there be a net movement of solvent molecules?
Give Technical Term for the following.
A solution whose concentration is equal to the cell sap.
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.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Cells that have lost their water content are said to be deplasmolysed.
