Biology Homeostasis PMDC Conceptual Practice
PMDC Verified Question 95 of 99
The hydrostatic pressure required to completely prevent the inward osmotic flow of pure water across a semipermeable membrane into a solution is defined as:
A
Solute potential
B
Osmotic Pressure
C
Soil potential
D
Turgor deficit
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Osmotic Pressure
Concept: Definition of osmotic pressure.

Solution: Osmotic pressure is the exact hydrostatic pressure needed to oppose and stop inward osmotic water movement across a selective membrane.

Why other options are incorrect:
  • Option A (Solute potential): The negative contribution of dissolved solutes to total water potential.

  • Option C & Option D: Specific ecological or plant physiological terms describing soil moisture or turgor loss.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

Want to solve full-length papers under timed exam conditions?

Practice with zero-scroll lockdown sprints, dynamic latency zone timers, live peer selection telemetry, and the automated Amber mistake recovery loop.