GyanGramQuestion
In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of release of nutrient to enter the cycle?
PRELIMS 2021 · ENVIRONMENT
In case of which one of the following biogeochemical cycles, the weathering of rocks is t…
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• Correct Answer: C
• Phosphorus cycle is a sedimentary cycle with lithosphere as primary reservoir; it lacks a significant atmospheric phase.
• Weathering of phosphate-bearing rocks releases phosphate ions into soil and water for biological uptake.
• Carbon and nitrogen cycles are gaseous; sulphur is hybrid, not purely lithosphere-dependent.
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