What characteristic prevents diatoms from decomposing quickly compared to other algae?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Biology Mcqsbiology-mcqs
Published
9 Jun 2018
Last updated
28 May 2026

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Explanation

Diatoms have cell walls composed of silica, known as siliceous walls, which make them more resistant to decay than other algae with different cell wall compositions.

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