Question at position 17 Is systemic pesticide exposure particularly concerning for pollinators?No: systemic pesticides are neutralized in the soil therefore those pesticides are safe for non-target speciesYes: systemic pesticides stay in pollen and nectar for long durationsNo: systemic pesticides actually only affect fungi and bacterial pathogens单项选择题
A
No: systemic pesticides are neutralized in the soil therefore those pesticides are safe for non-target species
B
Yes: systemic pesticides stay in pollen and nectar for long durations
C
No: systemic pesticides actually only affect fungi and bacterial pathogens
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Question at position 12 Is systemic pesticide exposure particularly concerning for pollinators?No: systemic pesticides are neutralized in the soil therefore those pesticides are safe for non-target speciesNo: systemic pesticides actually only affect fungi and bacterial pathogensYes: systemic pesticides stay in pollen and nectar for long durations
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Is the following statement true or false? In the products of methylation-hydrolysis, every -OH group corresponds to the position of a glycosidic bond in the starting polysaccharide.
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