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

Multiple Choice Questions

1. _______________ has been largely controlled through improved living conditions and sanitation.
(a) Infectious disease
(b) Cancer
(c) Population
(d) Chemical exposure

2. What can the chemical DDT cause in fish?
(a) Color changes
(b) Blindness
(c) Depression
(d) Starvation

3. What are printed in tiny type and largely ignored by consumers?
(a) Names of products
(b) Package warnings
(c) Instructions
(d) Ingredient lists

4. ________ are genetically adapting to the chemicals we use to control them.
(a) Mosquitoes
(b) Insects
(c) DNA
(d) Plants

5. Foods derived from and containing __________ contain the largest amounts of chemicals.
(a) Animal fats
(b) Dairy
(c) Sugar
(d) Water

6. ___________ health problems used to be caused by diseases like smallpox, cholera, and the plague.
(a) Upper class
(b) Rural
(c) Public
(d) Poverty

7. Without functioning ____________, even our organs are useless.
(a) Cells
(b) Lungs
(c) Blood streams
(d) Brain activity

8. ______ ponds are particularly susceptible to poisoning because of their proximity to chemically treated fields.
(a) Organic
(b) Industrial
(c) Rural
(d) Farm

9. What is also destroyed when the target insects are sprayed by chemicals, damaging and changing the ecosystem?
(a) Trees
(b) Their natural enemies
(c) Humans
(d) Water sources

10. What kinds of insects are becoming resistant to the chemical sprayings?
(a) Weaker
(b) Stronger
(c) All
(d) None

11. Most state laws regarding chemical contamination are grossly ___________.
(a) Inadequate
(b) Enforced
(c) Overmeasured
(d) Out numbered

12. ______________ is the basic process of life creation for everything from amoebae to humans.
(a) Cell respiration
(b) Cell division
(c) Cell mutation
(d) Cell ligation

13. Insecticides used against insects that feed on __________ have killed many fish in the South.
(a) Cotton
(b) Corn
(c) Tobacco
(d) Grain

14. The narrow ___________ is the tiniest structure in the human body.
(a) Window
(b) Cut
(c) Capillary
(d) Artery

15. What organ works to filter out the chemicals that enter the human body?
(a) Gallbladder
(b) Liver
(c) Lungs
(d) Stomach

Short Answer Questions

1. More American children now die from __________ than from any other disease.

2. ________________ are affected because poisoned fish are not a source of food to sell.

3. Most people's chemical exposure comes ___________ rather than in mass sprayings.

4. What was the widespread Canadian spraying program designed to control the population of?

5. What is the name of the chemical that changes form once it enters the environment, becoming another more deadly chemical?

(see the answer keys)

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