6. Pollution and Human Health

Soil Contamination — Quiz

Test your understanding of soil contamination with 5 practice questions.

Practice Questions

Question 1

Which of the following remediation techniques involves injecting a liquid solution into the soil to extract contaminants, which are then collected and treated?

Question 2

A soil sample is found to contain high levels of a persistent organic pollutant (POP) that is highly hydrophobic. Which of the following factors would most significantly influence its long-term persistence and bioavailability in the soil?

Question 3

Which of the following best describes the primary mechanism by which heavy metals, once absorbed by plants, can become toxic to the plant itself?

Question 4

A former agricultural field is contaminated with a pesticide that has a high octanol-water partition coefficient ($K_{ow}$). Which of the following is the most significant implication of this characteristic for the environmental fate of the pesticide?

Question 5

Which of the following remediation techniques is most suitable for treating soil contaminated with petroleum hydrocarbons in situ, by enhancing the activity of naturally occurring microorganisms through the addition of nutrients and oxygen?