If i were to answer this I'd select true because this is basically what a thesis statement does. In some structures you can do this by selecting the type of elements such as mood and tone you'd use to create the discussion<span />
There are a few bad effects, depending on the pesticide, it could cause anyone who eats the crop to get severally ill. That in turn would cause a recall. That could then be bad for the farmer that sprayed the pesticide, as it could get him into legal trouble.