Biology Cell PMC 2020
PMDC Verified Question 106 of 143
Which of the following organelles are involved in the synthesis of plant cell wall?
A
Peroxisomes
B
Endoplasmic reticulum
C
Golgi complex
D
Lysosomes
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Golgi complex
Concept: The cell wall is a complex extracellular matrix composed of cellulose, hemicellulose, and pectins, which require specialized secretory machinery for construction.

Solution: The Golgi complex (specifically its plant equivalent, dictyosomes) is responsible for synthesizing non-cellulosic matrix polysaccharides (like pectins and hemicellulose) and packaging them into vesicles. These vesicles are then secreted to the plasma membrane to build the plant cell wall.

Distractor Autopsy:
  • Endoplasmic reticulum: Synthesizes proteins and lipids but does not directly secrete cell wall polysaccharides.
  • Lysosomes/Peroxisomes: Involved in digestion and detoxification, not structural synthesis.

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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