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PESTICIDES POLLUTION

1. Pesticides can be sprayed onto date palms to kill pests. This can damage the environment.

(a) Outline the damage to the environment that may be done by spraying pesticides.

An alternative to using pesticides is biological control. The Senegalese grasshopper is a serious pest
in West Africa.…

Page 2

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(b) One field was not sprayed to see the condition of crops without fungal spores and pesticides, so
that it could be used to compare with the other two fields individually to see the change in the
condition of each of their crops and therefore deduce the better field.

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