Plant Water Relations

In rainy seasons, the door gets swelled due to

What will be the direction of the movement of water when two solutions with ${\mathrm{\psi }}_{\mathrm{w}} = 0.2 \mathrm{MPa}$ and ${\mathrm{\psi }}_{\mathrm{w}} = 0.1 \mathrm{MPa}$ are separated by a selectively permeable membrane? 

What are the difference between guttation and imbibition?

What is a flaccid cell?

Consider the following statements:

A. Osmotic pressure of root is greater than leaf.

B. Halophytes if grow in normal soil condition will absorb less water.

Choose the correct option.

Human red blood cells when suspended in solution of varying osmolarities, change shape either by shrinking or swelling or do not change shape. Which of the following statements are true?

I. They will shrink in plasma while swell in tap water.
II. They will shrink in sea water but swell in tap water.
III. They will remain unchanged in plasma but shrink in tap water.
IV. They will remain unchanged in plasma but shrink in sea water.

Addition of more solutes in a given solution will:

Suppose an aquatic plant is placed in a test tube containing distilled water and the tube is stoppered. The tube is left outdoors for $24$ hours and the ${}_{\mathrm{p}}\mathrm{H}$ value of the water is then measured at regular intervals. Which of the following is the most probable result?

The pressure exerted by the swelling protoplast on the walls of the cells is

The water potential and osmotic potential of pure water are, respectively:

If a cell has sugar concentration of $0.5\mathrm{M}$ in the cell sap, in which of the following solution, will it shrink?

A perfect partition between osmotically active system and pure water in physical conditions can be formed by a

As a result of endosmosis, ${\mathrm{\Psi }}_{\mathrm{w}}$ of cell

Which of the following equation is wrong?

Correct expression for water potential of plasmolysed cell will be

A hypothetical arrangement of plant cells ($\mathrm{A}, \mathrm{B}, \mathrm{C},$and $\mathrm{D}$) is given below

Find the correct sequence of movement of water using the given values

Find the correct pathway of movement of water in given presentation of three cells A, B & C. 

Turgor pressure is defined as the

Find the correct relation between diffusion pressure deficit (DFD), Osmotic pressure (OP), and Turgor pressure (TP)

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