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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5 "Realms of the Soil".

Multiple Choice Questions

1. Much of the world's water is polluted by ________ from many sources.
(a) Dirt
(b) Waste
(c) Nuclear plants
(d) Animals

2. What is not usable for drinking, irrigation, or industry?
(a) Stream water
(b) Lake water
(c) Seawater
(d) Frozen water

3. What group of substances includes insecticides and pesticides?
(a) Toxic chemicals
(b) Necessary evils
(c) Organic cleaners
(d) Helpful mixtures

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

5. Who has poisoned the entire environment, according to Carson as she will prove in this book?
(a) Insects
(b) Animals
(c) People
(d) Plants

Short Answer Questions

1. The organic ____________ insecticides like Malathion and parathion are in wide use in 1962, when the book was written.

2. The majority of the Earth's surface is covered with __________.

3. What is the name of the naturally occurring mineral that is toxic to humans and most creatures but is still used as a pesticide?

4. In 1960, in the Klamath/Tule Lake region, agricultural pesticides were collected in the water bodies of a _____________.

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

(see the answer key)

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