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O-LevelBiologyEcology & Environment5090/22 · Oct/Nov 2022 · Q910 Marks

Explain the advantages and disadvantages of the use of insecticides in agriculture.

(a)Explain the advantages and disadvantages of the use of insecticides in agriculture.[5]
(b)Describe the methods used to control the insect vector of malaria other than the use of insecticides. Explain the effect of each control method on the vector.[5]

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About this question

Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Structured question, 10 marks.
Source: O-Level Biology, Oct/Nov 2022 Paper 2 Variant 2, question 9.

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