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Highest DDT deposition shall occur in

1. Phytoplankton
2. Sea Gull/Birds
3. Crab
4. Eel

Correct answer: Sea Gull/Birds

Solution

DDT undergoes biomagnification, where its concentration increases at each trophic level of the food chain. Sea gulls/birds, being at the top of the food chain, accumulate the highest levels of DDT.

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