What is the number of carbon atoms needed to construct a furan ring, such as in ribofuranose?

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
11 May 2018
Last updated
28 May 2026

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Explanation

The furan ring structure, like that found in ribofuranose, consists of four carbon atoms and one oxygen atom, making option B the correct choice.

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