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

Multiple Choice Questions

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

2. A chemically weakened environment opens the door to explosive insect ____________.
(a) Waste buildup
(b) Death
(c) Repopulation
(d) Extinction

3. _______________ can be much more effective at controlling budworm.
(a) Natural parasites
(b) Other chemicals
(c) Organic herbs
(d) Targeted spraying

4. The ___________ is strictly a forest insect, which is why people were outraged when residential areas were sprayed to control it.
(a) Fire ant
(b) Dutch Elm
(c) Gypsy moth
(d) Tick

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

Short Answer Questions

1. The ____________ systems of all creatures are adversely affected by DDT and other chemicals, so that this drastic disruption of the unversal currency of life affects the capacity of all living things.

2. Chemical residues in _______ are another source of gradual buildup of chemicals in the body.

3. Chemicals that act upon our genes can cause sudden __________, producing new and undesirable changes in subsequent generations.

4. The long term effects of chemical exposure, per Carson, are easy to ignore as long as they are ___________.

5. Scientists believe that human __________ is unrealistic.

(see the answer keys)

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