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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. Who was intended to benefit from the removal of sagebrush from the American West?
(a) Birds
(b) Lizards
(c) Other plant species
(d) Livestock

2. Only _________ have gained the ability to reserve the roles and actually change the environment they live in.
(a) Plants
(b) Animals
(c) Insects
(d) Human beings

3. What is the toxin which is released through nuclear explosion?
(a) Arsenic
(b) Radiation
(c) Gamma rays
(d) Soot

4. What was the source of the contamination in the eagle population?
(a) Other birds
(b) Nests
(c) Trees
(d) Fish

5. Continued use of pesticides could very well damage soil ___________.
(a) In some areas
(b) Over time
(c) Illegally
(d) Beyond repair

6. What was infected with chemicals that led to the death of so many robins?
(a) Air
(b) Nest building material
(c) Water
(d) Earthworms

7. There is a disagreement among scientists about how much _______ can be safely stored in the body.
(a) Arsenic
(b) DDT
(c) Water
(d) Fat

8. The _________ of Wyoming which supported many animal species were unintentionally killed, leading to massive animal death.
(a) Sagebrush
(b) Weeds
(c) Willows
(d) Trees

9. In many cases, the spraying is killing wildflowers which attract ___________.
(a) Animals
(b) Insects
(c) Water
(d) Tourists

10. Chemical insecticides and herbicides are challenging because they are _____________.
(a) Ignored
(b) Difficult to detect
(c) Sometimes safe
(d) Hidden from view

11. Because synthetic pesticides are ______, they can easily poison intended and unintended targets.
(a) Organic
(b) Dangerous
(c) Widespread
(d) Lethal

12. _____________ hurts the soil on a virtually permanent basis, according to Carson.
(a) Corn crops
(b) Wild orange oil
(c) DDT
(d) Arsenic

13. Spring begins in the United States with the once-familiar ___________.
(a) Birdsong
(b) Heavy rains
(c) Storms
(d) Temperature changes

14. Wildlife is unlikely to bounce back after _________ that kill large numbers of their kind.
(a) Sprayings
(b) Weather patterns
(c) Temperatures
(d) Fires

15. All of the Earth's watersystems are _____________, so contamination of a part is contamination of the whole.
(a) Dirty
(b) At risk
(c) Separate
(d) Connected

Short Answer Questions

1. What is not usable for drinking, irrigation, or industry?

2. What becomes more numerous when the bird population goes down?

3. Without plants, there could be no _________ of any kind.

4. What is contaminated with DDT so that it ends up affecting a human consumer of eggs?

5. How long can chemicals remain in the soil to which they are applied?

(see the answer keys)

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