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| Name: _________________________ | Period: ___________________ |
This test consists of 15 multiple choice questions and 5 short answer questions.
Multiple Choice Questions
1. DDT is passed long through the ___________ during the course of nearly everyone's life.
(a) Food chain
(b) Packaged foods
(c) Air
(d) Exhaust fumes
2. Chemicals can travel down ___________ or in underground aquifers to the bodies of water.
(a) Watersheds
(b) Mountains
(c) Streets
(d) Sewers
3. There is a disagreement among scientists about how much _______ can be safely stored in the body.
(a) Water
(b) DDT
(c) Fat
(d) Arsenic
4. Wildlife biologists and forestry experts __________ the mass killings of so much life.
(a) Assist in
(b) Are guilty of
(c) Support
(d) Decry
5. Attempts to control a particular ________ in Clear Lake, California resulted in massive bird death.
(a) Fish
(b) Spider
(c) Gnat
(d) Bird
6. There is evidence that chemicals travel via ____________.
(a) Groundwater
(b) Animals
(c) Crops
(d) The air
7. What was the source of the contamination in the eagle population?
(a) Other birds
(b) Fish
(c) Trees
(d) Nests
8. Humankind is producing new ________ in the laboratory, though these used to be limited only to nature's actions.
(a) Wastes
(b) Chemicals
(c) DNA
(d) Plants
9. Studies on the __________ in areas previously sprayed with DDT have confirmed that DDT remains in the birds at least one generation after the spraying.
(a) Hawks
(b) Eagles
(c) Robins
(d) Buzzards
10. In England, the treatment of _______ with chemicals resulted in widespread bird deaths.
(a) Seeds
(b) Soil
(c) Trees
(d) Water
11. Herbicides can change the _________ of plants, making toxic plants more appealing to animals.
(a) Metabolism
(b) Color
(c) Taste
(d) Appearance
12. In 1960, in the Klamath/Tule Lake region, agricultural pesticides were collected in the water bodies of a _____________.
(a) Swimming pool
(b) Toilet
(c) Wildlife refuge
(d) Library
13. How long can chemicals remain in the soil to which they are applied?
(a) 1 year
(b) 12 years
(c) 1 month
(d) A few days
14. Toxic substances work to stop the body's natural functions; some of them may cause __________ to begin growing.
(a) Resistance
(b) Cancer cells
(c) Arms
(d) Poisonous reactions
15. Without the Earth's ________, there could be no plants.
(a) Soil
(b) Light
(c) Water
(d) Human help
Short Answer Questions
1. In the modern world, life does not have the luxury of ________.
2. What are so popular that tourists come to see them every year?
3. The population of Japanese Beetles in sprayed areas is ______________ .
4. If a robin did not die, it often suffered from __________ as a result of being exposed to DDT.
5. What is not one of the animal species which are bolstered by the inclusion of sagebrush in the West?
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This section contains 382 words (approx. 2 pages at 300 words per page) |
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