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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. Humans __________ plants when an an immediate use is not obvious for a plant.
(a) Destroy
(b) Test
(c) Eat
(d) Move

2. Herbicides can change the _________ of plants, making toxic plants more appealing to animals.
(a) Metabolism
(b) Color
(c) Taste
(d) Appearance

3. ____________ and animals were sprayed directly during the campaign against the gypsy moths.
(a) Building interiors
(b) Waterways
(c) People
(d) Buildings

4. _____________ is not the only source of chemical contamination in the world.
(a) Mass spraying
(b) Acid rain
(c) Nuclear power
(d) Trash

5. Plants growing in contaminated soil may carry the contaminants into their _____________.
(a) Neighbor plants
(b) Tissues
(c) Chlorophyll
(d) DNA

Short Answer Questions

1. All foods, according to Carson, contain some level of such poisonous chemicals as __________.

2. For almost every human being on the planet, synthetic pesticides are present in _______ and probably in bodily tissues from the beginning.

3. The Earth's soil is a ______________ of living creatures, all interdependent.

4. Fire ants' mounds actually serve to ________ the soil, which is a good thing.

5. Toxic substances work to stop the body's natural functions; some of them may cause __________ to begin growing.

(see the answer key)

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