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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 14 "One in Every Four".

Multiple Choice Questions

1. Because animals are affected by chemicals, scientists are having a hard time finding uncontaminated animals to serve as _________ in experiments.
(a) Helpers
(b) Examples
(c) Controls
(d) Subjects

2. The temporary elimination of some ___________ will continue to result in horrific and permanent physical trauma.
(a) Humans
(b) Animals
(c) Insects
(d) Plants

3. There is evidence that chemicals travel via ____________.
(a) The air
(b) Groundwater
(c) Crops
(d) Animals

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

5. Radiation and arsenic are naturally occurring substances that cause _________.
(a) Fatigue
(b) Fertilization
(c) Cancer
(d) Protection

Short Answer Questions

1. DDT seems to be able to be stored in the __________ tissues of the body.

2. The business of chemical _______ is booming because people approach plant life without thinking about any perspective but their own immediate desires.

3. _______________ has been largely controlled through improved living conditions and sanitation.

4. Because synthetic pesticides are ______, they can easily poison intended and unintended targets.

5. The limits the government has established regarding chemical levels in foods are __________.

(see the answer key)

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