Plant Water Relations

Osmosis is the diffusion of _____.

In rainy seasons, the door gets swelled due to

a. Requires ATP energy.

b. Movement through the transport protein.

c. Response to protein inhibitor.

Above given statements are true for:

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 will be the direction of flow of water when a plant cell is placed in a hypotonic solution? 

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.

How would you describe the swelling of piece of wood when placed in water?

Addition of more solutes in a given solution will:

The movement of water from one cell of the cortex to the adjacent one in roots is due to

Why water potential of pure water is zero ?

Which of the following is correct about imbibition?

The best example of imbibition is

Imbibition is characterized by

Imbibition is

When plant cell is put in hypotonic solution,

During plasmolysis,

If the external solution is more dilute than cytoplasm, then the external solution is said to be