Home Biology Ecosystem Energy Flow and Food Chain Which of the following statements about biog…
Biology Ecosystem Energy Flow and Food Chain Single Correct MCQ
Published on: August 13, 2026

Which of the following statements about biogeochemical cycles is false?

A
Caibon and nitrogen cycle faster than phosphorus.
B
All biogeochemical cycles include both organisms and nonliving components.
C
Most elements remain longest in the living portion of their cycle.
D
You may have atoms in your body that were once part of a dinosaur.

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The correct answer is:
C

In biogeochemical cycles, most elements stay for the longest time in nonliving reservoirs such as rocks, soil, oceans, and the atmosphere, not inside living organisms.

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