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O Level Biology Placement Tests: Certification Test 1710

Pesticides: O Level Biology MCQs App Download & PDF e-Book - 1710

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MCQ: 1710

Substances which can remain in the soil for many years are known as

  1. microorganisms
  2. insecticides
  3. dichloro-triphenyl dichloroethane
  4. dichloro-diphenyl trichloroethane

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Pesticides O Level Biology MCQs App (iOS & Android)

Pesticides O Level Biology MCQs App

O Level Biology MCQs App (Android & iOS)

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