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Food Chain

5 PYQ across 3 exams · 1997–2024 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1997 → CISF 2023 → CAPF 2024
19971 PYQ
CSEQ14
Which one of the following organisms is likely to show the highest concentration of DDT, once it has been introduced into the ecosystem?…
20141 PYQ
CSEQ80
Which one of the following is the correct sequence of a food chain?…
20171 PYQ
CSEQ21
Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences …
20231 PYQ
CISFQ65
Which one of the following groups of organisms correctly makes a food chain?…
20241 PYQ
CAPFQ29
In an ecosystem why is the number of trophic levels of a food chain usually limited?…
Related concepts — explore their timelines too
Trophic LevelsEnergy FlowPollinationBiomagnification
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