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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.
संबंधित प्रश्न
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Hypotonic solution and Hypertonic solution [condition of a plant cell when placed in them]
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.
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypertonic salt solution
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:
Comment on the nature (tonicity) of the liquid surrounding the cell.
Give at least three uses of water to green plants
Give Reasons for the following.
We gargle with saline water in case of throat infection.
The apparatus arranged here signifies an important process.
(i) Name the process.
(ii) Where does this process occur in plants?
(iii) What solution is placed inside the dialysis tubing?
(iv) What happens to the level of the solution in the capillary tube?
(v) Define the process mentioned in Q. (i) above.
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.
Explain the Term: Exosmosis
DPD of a cell can be expressed as ______
