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?

    <p>Birds, mammals, fish, and beneficial insects</p> Signup and view all the answers

    How can pesticides be transported long distances in water?

    <p>Through drainage and runoff</p> Signup and view all the answers

    Why is water contamination by pesticides a serious concern?

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

    What is a potential consequence of pesticides entering waterways?

    <p>Poisoning of fish and other aquatic organisms</p> Signup and view all the answers

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

    <p>By losing their habitat and food source</p> Signup and view all the answers

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

    <p>Harm to birds and other animals through the food chain</p> Signup and view all the answers

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

    <p>Because of their role in pollinator decline</p> Signup and view all the answers

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

    <p>Via natural selection over generations</p> Signup and view all the answers

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

    <p>To warn against spraying pesticides when pollinators are active</p> Signup and view all the answers

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