Which of the following statements about pesticides is true?

The statement that some pesticides inhibit growth or hormonal function is accurate and reflects a key aspect of how certain pesticides operate. Specifically, these types of pesticides can disrupt the normal development of target organisms, such as insects, by affecting their hormonal systems or inhibiting growth processes. For instance, certain insect growth regulators (IGRs) are designed to prevent insects from maturing properly into adulthood, thereby controlling their populations more effectively.

Understanding this aspect of pesticides is crucial because it highlights the different mechanisms by which pesticides can exert their effects, beyond merely killing pests. It also sheds light on the complexity of pest management strategies, as not all pesticides function through lethal means.

In contrast, the other statements do not accurately encapsulate the diverse nature of pesticides. While some pesticides can indeed harm various living organisms, not all pesticides are inherently harmful to all forms of life, as many are specifically designed to target particular pests with minimal impact on beneficial organisms. Additionally, not all pesticides are biodegradable; some can persist in the environment for extended periods. Finally, while it's a common misconception, not all pesticides are solely designed to kill; they can also function by inhibiting growth or altering developmental processes.