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DDT residues are rapidly passed through food chain causing biomagnification because DDT is:

1. moderately toxic
2. non-toxic to aquatic animals
3. water soluble
4. liposoluble

Correct answer: liposoluble

Solution

DDT is liposoluble, so it dissolves in fats and accumulates in body tissues rather than being quickly eliminated. This makes its concentration increase at higher trophic levels, causing biomagnification.

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