Among the 92 naturally occurring chemical elements, how many are classified as essential bio-elements?

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

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Subject
Biology Mcqsbiology-mcqs
Published
1 Aug 2024
Last updated
28 May 2026

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Explanation

Out of the 92 naturally occurring elements, only 6 are recognized as bio-elements essential for life processes.

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