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Question #46796
The Question
Which of the following statements regarding cellular membrane dynamics and turgor regulation is INCORRECT?
Options
- A.
Bulliform cells on the adaxial epidermis of isobilateral leaves regulate leaf rolling via turgor fluctuations driven by vacuolar ion transport.
- B.
The loss of turgor in bulliform cells during water stress is an osmotic process involving potassium efflux and cytosolic calcium signaling.
- C.
Prokaryotic mesosomes regulate cellular turgor by acting as compartmentalized osmotic oscillators similar to the sap vacuoles of bulliform cells.
- D.
While eukaryotic plant cells utilize tonoplast-bound vacuoles for osmoregulation, prokaryotic membrane invaginations primarily increase the surface area for respiratory enzymes.
Check Your Answer
Correct Answer
Step-by-Step Solution
Explanation
How the Examiner Thinks
Comparative_Analysis
Sharpen your ability to evaluate multiple scenarios and distinguish between competing potential answers.
Concepts Behind This Question
Bulliform Cell Function|Calcium Dynamics|Prokaryotic Mesosome Geometry
Why This Question Is Tricky
Common Mistakes
Conceptual Pivot: The trap relies on distinguishing between eukaryotic vacuolar osmoregulation (tonoplast-mediated) and prokaryotic membrane invaginations (mesosomes).
Students often equate any specialized membrane structure with generalized 'cellular regulation', failing to recognize that prokaryotes strictly lack the compartmentalized vacuolar systems required for turgor-driven mechanical movements like leaf rolling.
Quick Facts About This Question
Question Information
| Subject | Biology |
| Chapter | Anatomy of Flowering Plants - Class 11 |
| Concept | Bulliform Cell Function |
| Difficulty | 8 |
| Cognitive Load | 5 |
| Target Solve Time | 120 sec |
| Access | Free |