What is a benefit of synthetic pesticides?

Question

BlackTom AI · Accepted Answer

Let's evaluate each statement about synthetic pesticides in turn, considering both typical benefits and drawbacks.
Option 1: 'They seldom pollute the environment' — This is generally false. Synthetic pesticides can contaminate soil, water, and air, and may affect non-target organisms. Saying they seldom pollute ignores documented environmental impacts of many pesticides.
Option 2: 'They pose little threat to human health' — This is also not accurate. Depending on exposure and toxin, pesticides can pose health risks to humans, including acute poisoning and longer-term effects. Claiming they pose little threat overlooks these concerns and the need for safety practices.
Option 3: 'They accelerate the development of genetic resistance to pesticides in pests' — While this describes a real consequence of widespread use (pest resistance), it is not a benefit. It highlights a drawback that leads to more frequent or higher-dose applications or development of new products.
Option 4: 'They have saved human lives' — This reflects a historically documented benefit: by reducing crop losses from pests and controlling disease vectors (in some cases), synthetic pesticides have contributed to increased food security and reduced mortality associated with pest-borne diseases. It acknowledges a positive impact on public health and agriculture when used carefully.
Option 5: 'They pose little threat to wildlife' — In practice, many pesticides negatively affect wildlife, including beneficial insects, birds, and aquatic life. This claim underestimates ecological risks and is not accurate in general.
Overall, the statements present a mix of true and false ideas, with option 4 being the one that correctly describes a net historical benefit associated with synthetic pesticides, while the others contain common misconceptions or underestimate risks.

What is a benefit of synthetic pesticides?单项选择题

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