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प्रश्न
The highest water potential (capacity to move out higher concentrated solution) is that of ______.
The highest water potential is that of ______
पर्याय
Pure water
10% salt solution
Honey
50% sugar solution
10% sugar solution
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उत्तर
Pure water
Explanation:
Water potential is the ability of water to migrate towards a more concentrated solution. It is the highest for pure water.
APPEARS IN
संबंधित प्रश्न
Give the appropriate biological or technical term for the following.
Movement of molecules of a substance from their higher concentration to lower concentration when they are in direct contact.
Name the following:
The condition of a cell placed in a hypotonic solution.
Complete the following statements:
Hypotonic solution is one in which the solution kept outside the cell has lower solute concentration than ……………… the cell.
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A&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 had somewhat decreased in size. Use the above information to answer the questions that follow:
Account for the firmness and increase in the size of the potato cubes placed in water.
Distinguish between the following:
Filtration and diffusion
Name the following:
Movement of molecules from a region of high concentration to a region of low concentration.
Give at least three uses of water to green plants
A plant cell kept in a drop of water was examined under the low power magnification of a microscope, as shown:
(i) What would you do to bring this cell back to its original condition?
(ii) What scientific term is used for such condition?
(iii) Draw the same cell if it is kept in a strong sugar solution.
Fill in the Blanks
Osmosis in the diffusion of _______ molecules from the region of higher _____ potential to that of lower potential across a S.P.M.
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.
