Biology Cell UHS 2022
PMDC Verified Question 67 of 143
Cell wall may be absent in which of the following?
A
Bacteria and archaea
B
Algae and fungi
C
Fungi and archaea
D
Plant and algae
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: Bacteria and archaea
Concept: While most prokaryotes have cell walls, there are notable evolutionary exceptions that lack them entirely.

Solution: Plants, algae, and fungi universally possess cell walls. However, certain bacteria (like genus Mycoplasma) and some archaea (like Thermoplasma) naturally lack a cell wall.

Distractor Autopsy: Any pairing containing plants, algae, or fungi is incorrect because those kingdoms are defined by the obligatory presence of a cell wall.

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.

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