A dose of a toxicant that kills 50% of the exposed organism is called_________________?
Correct answer: C. LD50
- A. LC50
- B. None of the Above
- C. LD50
- D. LD75
Explanation
LD50 is the median lethal dose, meaning the dose that kills 50% of a test population. LC50 refers instead to a lethal concentration in air, water or another exposure medium.
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