Biology Biomolecules DUHS 2022
PMDC Verified Question 102 of 142
This lipid is most common abundant richest source of energy in plant, and animal body:
A
Phospholipid
B
Carotenoids
C
Terpenoids
D
Acylglycerol
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option D: Acylglycerol
Concept:

Organisms require an extremely dense, lightweight storage molecule for long-term energy reservoirs.

Solution:

  • Acylglycerols (specifically, Triacylglycerols or neutral fats/oils) are dedicated entirely to massive energy storage.


  • Because they are completely non-polar, they can be stored in massive anhydrous droplets within adipose cells (in animals) or seeds (in plants) without dragging heavy water weight along.


  • They pack more than double the caloric energy of carbohydrates, making them unequivocally the richest and most abundant energy source.


Why other options are incorrect:

  • Phospholipids: Highly structural, dedicated to building membranes, not bulk energy storage.


  • Carotenoids & Terpenoids: Minor lipid pigments and signaling molecules, existing in tiny quantities.

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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