Biology Biomolecules UHS 2022
PMDC Verified Question 80 of 142
Butyric acid is a ____ carbon fatty acid.
A
6
B
8
C
4
D
2
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: 4
Concept:

Fatty acids are categorized by their specific aliphatic chain lengths.

Solution:

  • Acetic acid: 2 carbons.


  • Butyric acid: 4 carbons. It is famously found in rancid butter (from Latin butyrum = butter).


  • Caproic acid: 6 carbons.


  • Octanoic acid: 8 carbons.


Why other options are incorrect:

  • Options 2, 6, and 8 correspond to entirely different fatty acids.

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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