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: Solute potential increases with dissolution of solutes. Statement B: The value of solute potential is always 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» B. Both the statements are false | |
| 2. |
The unit of water potential is_________ |
| A. | psi |
| B. | no unit |
| C. | pascal |
| D. | mmole per kg |
| Answer» D. mmole per kg | |
| 3. |
The greater concentration of water in a system leads to _________ |
| A. | increased transpiration |
| B. | increased solute potential |
| C. | hypertonic condition |
| D. | greater kinetic energy |
| Answer» E. | |
| 4. |
Concentration gradient is a mandatory condition for diffusion of substances irrespective of the process involved. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The value of water potential of pure water is ________ |
| A. | 1 |
| B. | -1 |
| C. | 0 |
| D. | -2 |
| Answer» D. -2 | |
| 6. |
Which potential is considered of negligible value? |
| A. | Water potential |
| B. | Matrix potential |
| C. | Solute potential |
| D. | Pressure potential |
| Answer» C. Solute potential | |
| 7. |
The amount of water lost by plants due to transpiration and guttation? |
| A. | 98% |
| B. | 12% |
| C. | 92% |
| D. | 50% |
| Answer» B. 12% | |
| 8. |
Statement A: Water is the limiting factor for plant growth and productivity. Statement B: A minute amount of water is lost to the environment by the leaves. |
| 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» D. Statement B is true but Statement A is false | |
| 9. |
Woody parts of plants contain relatively less water while soft parts contain more water. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Which part of the cell contains water-like substances with dissolved molecules and suspended in them? |
| A. | Protoplasm |
| B. | Cytoplasm |
| C. | Cytosol |
| D. | Matrix |
| Answer» B. Cytoplasm | |