Biology Biomolecules BUMHS 2022
PMDC Verified Question 101 of 142
Which statement is wrong about saturated fats?
A
They have multiple double bonds in the carbon chains of their fatty acids
B
They are more common in animals than in plants
C
They contain more hydrogen than unsaturated fats having the same number of carbon atoms
D
They generally solidify at room temperature
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: They have multiple double bonds in the carbon chains of their fatty acids
Concept:

The term "saturated" refers to the maximum possible amount of hydrogen atoms bonded to the carbon skeleton.

Solution:

  • To be completely "saturated" with hydrogen, every single carbon atom in the chain must be bonded to its neighbors via single covalent bonds only.


  • Therefore, the statement claiming they have multiple double bonds is completely factually wrong.


  • (Fatty acids with double bonds are specifically classified as unsaturated).


Why other options are incorrect (they are true statements):

  • Common in animals: True (e.g., lard, butter, tallow).


  • Solidify at room temp: True, because the straight single-bond chains pack tightly together.


  • Contain more hydrogen: True, because replacing a double bond with single bonds requires adding two hydrogen atoms.

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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