NEET Biology question

If a pond food chain gets polluted by DDT, the tissue concentration of DDT would be highest in

(A)Aquatic weed
(B)Herbivorous fish
(C)Carnivorous fish
(D)Bird feeding on fishCorrect

Answer: (D)

Solution

DDT cannot be metabolised or excreted, so it accumulates in tissues and is passed on, in increasing concentration, to successively higher trophic levels. In the sequence aquatic weed (producer) → herbivorous fish → carnivorous

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Question ID VK-130065