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O Level Biology App's Tests

O Level Biology e-Book's MCQs - Complete

Herbicides: O Level Biology MCQ App Download & e-Book - 1183

MCQ:

Physical, mental abnormalities and risks of cancer are increased due to

  1. dichlorophenyl trichloroethane (DDT)
  2. biochemical oxygen demand (BOD)
  3. dioxins
  4. greenhouse effect

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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)

Phylum App (Android & iOS)

Phylum App (Android & iOS)

Cell Biology App (Android & iOS)

Cell Biology App (iOS & Android)