Toxicity Practice

Toxicity Practice

AP Environmental Science

Multiple Choice

Which is considered more toxic: a substance with a lethal dose of 47.2mg/kg or one with an lethal dose of 0.8mg/kg?

• 47.2mg/kg

• 0.8mg/kg

Multiple Choice

Which is not a factor in considering the toxicity of a substance?

• Dose

• Frequency of Exposure

• Origin of Substance

• Genetics of Organism

Multiple Choice

What is the LD50?

• 50

• 75

• 100

• 125

Multiple Choice

What is the LD50?

• 75

• 125

• 250

• 500

Multiple Choice

What is the LD50?

• 20

• 23

• 30

• 35

Multiple Choice

What is the LD50?

• 1

• 10

• 0.1

• 1000

Multiple Choice

What is the LD50?

• -7

• -5

• -4

• -3