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[3] (a) Organic farmers perfer biological control of diseases and pests to the use of chemicals for the same purpose. Justify. (b) Give an example of a bacterium, a fungus and an insect that are used as biocontrol agents. |
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Answer» [3] (a) Organic farmers perfer biological control of diseases and pests to the use of chemicals for the same purpose. Justify. (b) Give an example of a bacterium, a fungus and an insect that are used as biocontrol agents. |
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