Module 47 Book-Based AP Practice MCQs

Which location in the diagram best represents a nonpoint source of water pollution?

• location B, wastewater from a city

• location A, sewage from a town

• location D, agricultural runoff

• location C, algae growth in a stream

Which of the following is the best description of a pollutant originating from location A?

• pesticide runoff from lawns and parks

• mercury pollution from storm water

• industrial waste released into the stream

• animal waste from a dairy farm

Which of the following is a point source of water pollution?

• a suburban community

• stormwater runoff

• discharge from a sewage treatment plant

• agricultural runoff

Mercury:

• is most concentrated in herbivores.

• is harmless once converted into methylmercury.

• can be safely trapped during the production of concrete.

• exposure often occurs through shellfish.

This can run off from agricultural land; many are endocrine disruptors.

• pesticides

• lead

• arsenic

• PCBs

This is a drinking water contaminant from plumbing; it can cause nervous system damage.

• PCBs

• arsenic

• pesticides

• lead

These are industrial compounds once used to manufacture plastics; they are persistent in the environment as a known human carcinogen.

• arsenic

• pesticides

• PCBs

• lead