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Environmental Impact of Pesticides

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Questions and Answers

What can happen to pesticides applied to crops if it rains soon after application?

They are consumed by beneficial insects

They are washed off the crops (correct)

They are broken down by sunlight

They are absorbed into the soil

How can pesticides enter groundwater?

Through spray drift

By being applied to crops in excess

Through accidental spillages

By seepage and leaching through the soil (correct)

What is a consequence of extensive pesticide use on soil quality and fertility?

Reduced soil pH

Increased soil aeration

Damaged communities of invertebrates and microorganisms (correct)

Improved soil water-holding capacity

Which organisms are affected by pesticides in addition to the target pests?

Birds, mammals, fish, and beneficial insects Signup and view all the answers

How can pesticides be transported long distances in water?

Through drainage and runoff Signup and view all the answers

Why is water contamination by pesticides a serious concern?

Because it can affect many people who rely on the water for drinking, fishing, or irrigation Signup and view all the answers

What is a potential consequence of pesticides entering waterways?

Poisoning of fish and other aquatic organisms Signup and view all the answers

How can mammals, birds, and other animals be harmed indirectly by pesticides?

By losing their habitat and food source Signup and view all the answers

What is a potential effect of pesticide residues accumulating in living organisms?

Harm to birds and other animals through the food chain Signup and view all the answers

Why has the European Union banned the use of neonicotinoid pesticides?

Because of their role in pollinator decline Signup and view all the answers

What is the primary mechanism by which pest populations develop resistance to pesticides?

Via natural selection over generations Signup and view all the answers

What is the purpose of the pollinator precautionary pictogram developed by CropLife International?

To warn against spraying pesticides when pollinators are active Signup and view all the answers