Wall Pressure

Q. Why DPD is equal to negetive of osmotic pressure. DPD = -OP?

Q.

A plant cell may burst when

1. Turgor pressure equalises wall pressure

2. Turgor pressure exceeds wall pressure

3. Wall pressure exceeds turgor pressure.

4. None of the above.

Q. Go through the following diagram of four plant cells.


Wall pressure would be less in cells:

1. P and Q
2. Q and S
3. R and S
4. P and R

Q. State whether the following statements are true or false .
In a fully turgid cell, the wall pressure would be zero.

1. True
2. False

Q. The pressure exerted by the wall of the cell on the protoplasm in a fully turgid cell is

1. WP
2. TP
3. DP
4. OP

Q. Why DPD is equal to negetive of osmotic pressure. DPD = -OP?

Q.

A plant cell may burst when

1. Turgor pressure equalizes wall pressure

2. Turgor pressure exceeds wall pressure

3. Wall pressure exceeds turgor pressure

4. None of the above

Q.

Why does turgor pressure increase?

Q. Differentiate between Turgidity and Flaccidity.

Q. When water enters into a cell what happens to its OP, TP and DPD?

1. OP and DPD decrease and TP increase
2. OP and DPD decrease and OP increase
3. OP and TP increase and its DPD increase
4. OP and DPD increase and TP decrease

Q.

Compare the statements A and B.

Statement A: To counteract the increase in turgor pressure in plant cells, the cell wall produces an equal and opposite pressure, i.e. wall pressure.

Statement B: When plant cells undergo endosmosis, they swell but do not burst.

1. Statement A is wrong and B is correct.

2. Both statements A and B are correct, and A is not the reason for B.

3. Both statements A and B are correct, and A is the reason for B.

4. Statement A is correct and B is wrong.

Q.

Where can lower turgor pressure in cells be seen?

Q. The pressure exerted by the wall of the cell on the protoplasm in a fully turgid cell is

1. WP
2. TP
3. DP
4. OP

Q. Assertion :Osmotic pressure is essential for high turgor pressure maintenance. Reason: High turgor helps in increase of number of cells.

1. Both assertion and reason are correct and reason is the correct explanation for assertion.
2. Both assertion and reason are correct but reason is not the correct explanation for assertion.
3. Assertion is correct but reason is incorrect.
4. Assertion is incorrect but reason is correct.

Q. Which of the following is incorrectly match :-

1. For fully turgid cell $\Rightarrow$ DPD $=0$
2. DPD of solution is vessel $\Rightarrow$ $OP-TP=0$
3. For full turgid cell $\Rightarrow OP=TP$
4. DPD for a flaccid cell $\Rightarrow DPD=OP$

Q. In a plasmolysed cell the DPD is

1. Equal to OP
2. Zero
3. Equal to wall pressure
4. Less than OP

Q. Go through the following diagram of four plant cells.


Wall pressure would be less in cells:

1. P and Q
2. Q and S
3. P and R
4. R and S

Q. The pressure exerted by the wall of the cell on the protoplasm in a fully turgid cell is

1. WP
2. TP
3. DP
4. OP

Q. Go through the following diagram of four plant cells.


Wall pressure would be less in cells:

1. P and Q
2. Q and S
3. P and R
4. R and S

Q. In a plant cell, the diffusion pressure deficit (DPD) is zero when it is

1. Plasmolysed
2. Turgid
3. Flaccid
4. Incipient

Q. When a plasmolysed cell is placed in a hypotonic solution, then water will move inside the cell. Which of the following force is responsible for this?

1. DPD
2. OP
3. None of the above
4. WP

Q. The pressure exerted by the wall of the cell on the protoplasm in a fully turgid cell is

1. WP
2. TP
3. DP
4. OP

Q. In a plant cell the diffusion pressure deficit is zero when it is

1. Turgid.
2. Incipient.
3. Flaccid.
4. Plasmolysed.