Plant Water Relations
Plant Water Relations: Overview
This topic covers concepts such as Hypertonic Solutions, Hypotonic Solutions, Isotonic Solutions, Turgidity, Flaccidity, Pressure Gradient, Concentration Gradient, and Physical Properties of Water.
Important Questions on Plant Water Relations
In rainy seasons, the door gets swelled due to

Plant seeds when sown in soil, germinate and come out of it; due to


What would be of cell sap in cell and cell respectively?

When a cell is placed in a solution whose osmotic concentration is equal to cell sap then,

The hydrostatic pressure which develops due to entry of water into a plant cell is

When solute potential increases then water potential would


Concentration of water molecules in a system determines

Select the incorrect statement w.r.t. imbibition

Doors made up of wood, swell up in rainy season due to

A plant cell if placed in distilled water will

A cell is placed in solution of sugar and no change in volume of cell is found. What is the concentration of the cell sap?

A cell when immersed in a solution, increases in volume, so the external solution is

All given factors promote absorption of water by roots, except:

Match the following list with list- and select the option with correct matching.
List -I | List - II | ||
A. | Water potential of salt solution | I. | Positive |
B. | Pressure potential in a normal cell | II. | Negative |
C. | Pressure potential in a plasmolysed cell | III. | Positive |
D. | Matric potential on the surface of the wood | IV. | Negative |
V. | Zero |

Which transport process is independent of concentration gradient?

Based on the figure given below which of the following statements is not correct?

Which of the following is required for the 'uphill transport' of substances through a membrane?

