Question
Why it is important to evaluate LD50 and LC50 while assessing the toxicity of pesticides?
Answer :
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Evaluation of LD50 (lethal dose for 50% of test organisms) and LC50 (lethal concentration for 50% of test organisms) is crucial in insect physiology and toxicology because these parameters provide a quantitative measure of the toxicity of pesticides. LD50 indicates the dose required to kill half of a population when a pesticide is administered through direct contact or ingestion, while LC50 reflects the concentration in the environment, such as water or air, that causes mortality in 50% of exposed insects. These values help in comparing the relative toxicity of different chemicals and selecting safer alternatives for pest control. Assessing
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