Concentration of DDT in small fishes is..... | vedclass

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(B) Biomagnification refers to the increase in concentration of a toxicant at successive trophic levels. In the aquatic food chain,the concentration o

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$0.5$

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(B) Biomagnification refers to the increase in concentration of a toxicant at successive trophic levels. In the aquatic food chain,the concentration of $DDT$ increases as it moves up the food chain. The concentration of $DDT$ in water is $0.003 \, ppb$. In zooplankton,it increases to $0.04 \, ppm$. In small fishes,the concentration of $DDT$ is $0.5 \, ppm$. In large fishes,it becomes $2.0 \, ppm$,and in fish-eating birds,it reaches $25 \, ppm$.

Concentration of $DDT$ in small fishes is..... (in $, ppm$)

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