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Biomagnification and DDT Effects

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Multiple Choice

The range of biomagnification of DDT in an aquatic food chain, if starting from 0.003 ppb level in water may go at fish-eating bird level upto:

  1. 0.3 ppm
  2. 3.0 ppm
  3. 30.0 ppm
  4. 0.003 ppm
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