Plant Water Relations
Plant Water Relations: Overview
This Topic covers sub-topics such as Osmosis, Osmotic Pressure, Isotonic Solutions, Hypotonic Solutions, Hypertonic Solutions, Flaccidity, Pressure Potential, Water Potential, Solute Potential, Plant Water Relation, Turgor Pressure and, Endosmosis
Important Questions on Plant Water Relations
Name the process takes place when a plasmolysed cell is kept in water, whether it is exosmosis or deplasmolysis.
Name the centrifugal pressure on the cell wall created by the pushing of the cell membrane, whether it is wall pressure or turgor pressure.
The protoplasm shrinks, when a cell is kept in a hypotonic solution
Addition of salt to pickles prevents growth of bacteria because they turn turgid.
Name the following:
The condition in which the cell contents are shrunken.
Identify the correct statements regarding the hypotonic solution from the given options below.
Choose the correct statements.
A. Concentration gradient must already present for molecules to diffuse even if facilitated by proteins.
B. A seed may appear dry as it has litres of water.
C. The absorbance of water by composite plant is litres in a day.
D. Numerically osmotic pressure is equal to osmotic potential with change in sign.
E. Transpiration is affected by root shoot ratio.
A cell placed in hypotonic solution will
Select the match of the terminologies given in Column with the proper meaning in Column .
A red blood cell was kept in a certain solution for a few minutes, and it burst. The said solution was:
Plant cells with deposition of suberin on cell wall do not burst in distilled water because the cell wall
Amount by which water potential is reduced due to presence of solute is called
O.P. of solution can be measured by
A solution containing lesser concentration than inside a cell.
Explain the osmotic potential, pressure potential and water potential and their interpersonal relationships.
Explain diffusion pressure deficit.
Differentiate between endosmosis and exosmosis.
