Question

The LD50 of a pesticide tells you

A. The toxicity of the pesticide
B. The level of possibility for long-term exposure effects
C. The effectiveness as a pest control agent
D. The likelihood of it causing personal injury

Answer 1

The LD50 of a pesticide tells you about its toxicity. It is the dose that kills half (50%) of the animals tested. The lower the LD50 value, the more toxic the chemical.

Step-by-step explanation:

The LD50 of a pesticide tells you about its toxicity.

The LD50 is the dose that kills half (50%) of the animals tested. It is a standardized measure for expressing and comparing the toxicity of chemicals. The lower the LD50 value, the more toxic the chemical. The LD50 value is usually calculated in milligrams of chemical per kilogram of test animal (mg/kg or ppm).

For example, if the LD50 of a pesticide is 10 mg/kg, it means that it would be lethal to 50% of the test animals if they were exposed to a dose of 10 milligrams of the pesticide per kilogram of their body weight.