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

Multiple Choice Questions

1. ____________ can eliminate only the unwanted plants and give the beneficial plants a chance to thrive.
(a) Selective spraying
(b) Herbicides
(c) Dangerous chemicals
(d) Targeted extermination

2. Other crops show signs of damage or ______ when planted in contaminated soil.
(a) Stunted growth
(b) Better taste
(c) Unnatural height
(d) Death

3. What group of substances includes insecticides and pesticides?
(a) Organic cleaners
(b) Toxic chemicals
(c) Necessary evils
(d) Helpful mixtures

4. What are so popular that tourists come to see them every year?
(a) Fish population
(b) Migratory birds
(c) Waves
(d) Changing leaves

5. Humans hold a narrow view of _________, using them when they are immediately useful only.
(a) Pests
(b) Plants
(c) Animals
(d) Trees

6. What is plentiful in the streams, providing good fishing spots since early settler times?
(a) Eels
(b) Guppies
(c) Insects
(d) Trout

7. The Earth's soil is a ______________ of living creatures, all interdependent.
(a) Bed
(b) Nest
(c) City
(d) Community

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

9. Spraying for the ________ began in the 1950s and resulted in the death of robins.
(a) Fire ants
(b) Dutch Elm Disease
(c) French beetles
(d) Gypsy moth

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

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

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

13. What is the name of the naturally occurring mineral that is toxic to humans and most creatures but is still used as a pesticide?
(a) Arsenic
(b) Carbon
(c) Boron
(d) Lead

14. Due to pollution in its environment, this kind of bird has suffered from extensive population reduction and sterility issues.
(a) Hawk
(b) Buzzard
(c) Eagle
(d) Hummingbird

15. ______________ birds have also died as a result of the elm spraying.
(a) Treetop
(b) Black
(c) Blue
(d) Burrowing

Short Answer Questions

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

2. Where was the population of Japanese Beetles effectively controlled?

3. Throughout earth's history, living things have __________ with their environment but not changed it.

4. In 1960, in the Klamath/Tule Lake region, agricultural pesticides were collected in the water bodies of a _____________.

5. Life is able to adapt to environmental change over _____________, according to Carson.

(see the answer keys)

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