MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Statement A: Osmotic pressure is negative. Statement B: Osmotic potential is also negative. |
| A. | Both the statements are true |
| B. | Both the statements are false |
| C. | Statement A is true but Statement B is false |
| D. | Statement B is true but Statement A is false |
| Answer» E. | |
| 2. |
Which of the following is not an important determinant of the movement of molecules in or out of the cell? |
| A. | Cell membrane |
| B. | Thickness of membrane |
| C. | Tonoplast |
| D. | Membrane of vacuole |
| Answer» C. Tonoplast | |
| 3. |
Imbibition is commonly seen in _____ |
| A. | liquids |
| B. | gases |
| C. | suspension |
| D. | colloids |
| Answer» E. | |
| 4. |
Seedlings emerge out of the soil into open surroundings due to imbibition. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following is a reversible phenomenon? |
| A. | Plasmolysis |
| B. | Turgidity |
| C. | Flaccidity |
| D. | Imbibition |
| Answer» B. Turgidity | |
| 6. |
The space between the cell wall and the shrunken protoplast in a plasmolysed cell is occupied by ________ |
| A. | hypotonic solution |
| B. | hypertonic solution |
| C. | isotonic solution |
| D. | water |
| Answer» C. isotonic solution | |
| 7. |
Pressure potential is ________ |
| A. | constant |
| B. | zero |
| C. | positive |
| D. | negative |
| Answer» D. negative | |
| 8. |
Affinity between the absorbent and the liquid is pre-requisite condition for imbibition. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
The pressure built up against the cell wall of a plant cell due to diffusion of water causes the cell to become _________ |
| A. | flaccid |
| B. | turgid |
| C. | plasmolysed |
| D. | imbibed |
| Answer» C. plasmolysed | |
| 10. |
At atmospheric pressure, the water potential is equal to_________ |
| A. | Gravitational potential |
| B. | Pressure potential |
| C. | Solute potential |
| D. | Matrix potential |
| Answer» D. Matrix potential | |