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

Multiple Choice Questions

1. What becomes more numerous when the bird population goes down?
(a) Earthworms
(b) Tree leaves
(c) Animals
(d) Insects

2. What are numerous in both kind and in sheer quantity according to Carson in the opening of the book?
(a) Lakes
(b) Birds
(c) Pebbles
(d) Cats

3. Toxic substances work to stop the body's natural functions; some of them may cause __________ to begin growing.
(a) Arms
(b) Poisonous reactions
(c) Cancer cells
(d) Resistance

4. There is a widespread, critical shortage of ____________ across the globe.
(a) Filters
(b) Fresh water
(c) Rain
(d) Water treatment

5. This kind of vegetable absorbs huge levels of poisons, which would have harmed humans if they had eaten the produce.
(a) Tomato
(b) Peppers
(c) Carrot
(d) Beans

6. What was one of the chemicals used in the massive spraying in #78?
(a) Bitter orange
(b) Melatonin
(c) DDT
(d) Aldrin

7. Because synthetic pesticides are ______, they can easily poison intended and unintended targets.
(a) Organic
(b) Widespread
(c) Lethal
(d) Dangerous

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

9. ______________ birds have also died as a result of the elm spraying.
(a) Blue
(b) Treetop
(c) Burrowing
(d) Black

10. Plants and animals specifically ________ to live in whatever their environments are.
(a) Adapted
(b) Killed
(c) Moved
(d) Used control

11. What is plentiful in the streams, providing good fishing spots since early settler times?
(a) Guppies
(b) Insects
(c) Trout
(d) Eels

12. How was the large population of sagebrush destroyed in the West?
(a) Suffocation
(b) Burning
(c) Physical removal
(d) Sprayings

13. What is contaminated with DDT so that it ends up affecting a human consumer of eggs?
(a) Water
(b) Farmers
(c) Chicken feed
(d) Hay in the barn

14. What happens to the people in the beginning description which puzzles doctors?
(a) They begin to hurt each other
(b) They have green spots on their faces
(c) They disappear
(d) They become ill

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

Short Answer Questions

1. The _________ of Wyoming which supported many animal species were unintentionally killed, leading to massive animal death.

2. Herbicides can change the _________ of plants, making toxic plants more appealing to animals.

3. Wildlife is unlikely to bounce back after _________ that kill large numbers of their kind.

4. What is the toxin which is released through nuclear explosion?

5. Humans __________ plants when an an immediate use is not obvious for a plant.

(see the answer keys)

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