Question

    In a comprehensive study assessing the impact of

    chemicals on organisms, which term refers to the concentration of a toxicant in the surrounding environment, causing mortality in half the percentage of a genetically homogeneous test population?
    A Lethal Dose 50 (LD50) Correct Answer Incorrect Answer
    B Lethal Concentration 50 (LC50) Correct Answer Incorrect Answer
    C Toxicity Threshold Level (TTL) Correct Answer Incorrect Answer
    D Concentrated Lethal Exposure (CLE) Correct Answer Incorrect Answer

    Solution

    LC50 signifies the concentration of a chemical causing 50% mortality in the test population.

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