1. A pesticide identical to DDT was sprayed on a lake to control mosquitoes. After a period of a few months, the maximum concentration of this pesticide was found in the:

a) water.
b) mosquitoes.
c) algae.
d) fish that ate the mosquitoes.
e) osprey and hawks that ate the fish.

2. Which of the given BEST describes the practice of Integrated Pest Management (IPM)?

a) Remove the use of any chemical pesticide.
b) Remove the use of synthetic pesticides.
c) Replace synthetic pesticides with natural pesticides.
d) Use a combination of methods and agricultural chemicals to manage pests.
e) Replace chemical control with biological control.

3. Most collection and disposal of municipal solid waste is the responsibility of the:

a) federal government.
b) EPA.
c) state.
d) local government.
e) individual homeowner.

4. The federal law which sets standards for safe drinking water is:

a) Clean Water Act.
b) Toxic Substances Control Act.
c) Safe Drinking Water Act.
d) Resource Conservation and Recovery Act. (RCRA).
e) Comprehensive Environmental Response, Compensation and Liability Act (CERCLA).

5. Brownfield's are:

a) areas which will no longer support plant growth.
b) unused industrial sites which are contaminated with hazardous wastes.
c) former grassy areas turned brown by leaking underground storage tanks.
d) dried up waste impoundments.
e) hazardous waste landfills.