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Download Herbicides: O Level Biology App MCQs & e-Book PDF - 752

MCQ 752:

Over a period of time, mosquitoes have developed resistance to

  1. dichlorodiphenyl trichloroethane (DDT)
  2. biochemical oxygen demand (BOD)
  3. dioxins
  4. eutrophication

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Herbicides O Level Biology App (Android & iOS)

Herbicides O Level Biology App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

9th Grade Biology App (Android & iOS)

9th Grade Biology App (Android & iOS)

College Biology App (Android & iOS)

College Biology App (iOS & Android)