Wyoming Pesticide Applicator Certification Practice Test 2025 - Free Pesticide Applicator Certification Practice Questions and Study Guide

Question: 1 / 605

What is persistence in relation to pesticides?

The breakdown of chemicals by soil microorganisms

The ability of a pesticide to turn into a gas or vapor

The ability of a pesticide to remain present and active for an extended period before breaking down

Persistence in relation to pesticides refers to the ability of a pesticide to remain present and active in the environment for an extended period before breaking down. Options A, B, and D are incorrect because they do not fully capture the concept of persistence. Option A only mentions the breakdown of chemicals by soil microorganisms, while persistence also includes the breakdown of chemicals by other environmental factors such as sunlight and water. Option B only talks about the pesticide turning into a gas or vapor, but does not consider its effectiveness in remaining active. Option D only mentions the movement of pesticides through water, but does not address how long they can remain active in the water. Therefore, option C is the most accurate explanation for persistence in relation to pesticides.

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The movement of pesticides through water

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