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Biogeochemical cycles

2 PYQ across 2 exams · 2021–2025 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 2021 → GEO 2025
20211 PYQ
CSEQ27
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 …
20251 PYQ
GEOQ105
Which one of the following biogeochemical cycles is sedimentary in nature?…
Related concepts — explore their timelines too
Nutrient cycling
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