Class 11 · Biomolecules

Chemical Composition of Living Organisms — NEET Biology

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In summary if we represent the chemical composition of living tissue from abundance point of view and arrange them class-wise, we observe that water is the most abundant chemical in living organisms (Table 9.4).

NCERT Biology · Class 11 · Chapter 9 · Paragraph 17
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Adjacent to a frequently-asked paragraph in the same chapter.

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While analysing biomass and earth’s crust, the same elements qualitatively but different relative abundances; in living tissue the relative abundance of C and H is higher. Which further observation aligns and extends this analysis?

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