PDF Notes: Pesticides Full Note

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    What is the definition of a pesticide?

    Substance used to prevent or control pests.

    What are the main types of pests targeted by pesticides?

    Includes bacteria, fungi, insects, weeds, and rodents.

    How do pesticides benefit agricultural producers?

    They improve food quality and prevent crop damage.

    What are the potential health risks associated with pesticides?

    Can cause poisoning, chronic diseases, and harm beneficial organisms.

    What is the significance of vapor pressure in pesticides?

    High vapor pressure increases the likelihood of atmospheric escape.

    What does persistence in pesticides refer to?

    Duration a pesticide remains active in the environment.

    What are active ingredients in pesticides?

    Components that have pesticidal activity.

    How are inert ingredients used in pesticide formulations?

    Facilitate application and enhance product stability.

    What distinguishes biopesticides from chemical pesticides?

    Biopesticides are derived from natural materials.

    What was a major consequence of DDT use?

    Banned in many countries due to health and environmental risks.

    What is the role of emulsifiers in pesticide formulations?

    Help distribute active ingredients evenly in solvents.

    What happens if pesticides persist in the environment?

    They can contaminate food, water, and soil.

    What is the ideal characteristic of a pesticide?

    Kills target pests without harming beneficial organisms.

    What is the first step in the pesticide manufacturing process?

    Synthesis of the active ingredient in a chemical factory.

    What is the purpose of pesticide risk assessments?

    Evaluate potential harm to health and the environment.