|Name: _________________________||Period: ___________________|
This test consists of 15 multiple choice questions and 5 short answer questions.
Multiple Choice Questions
1. Foods derived from and containing __________ contain the largest amounts of chemicals.
(d) Animal fats
2. The liver can become damaged by the poisons it filters, causing it to become ___________ effective.
(d) Much more
3. The limits the government has established regarding chemical levels in foods are __________.
4. Insecticides used against insects that feed on __________ have killed many fish in the South.
5. What can the chemical DDT cause in fish?
(d) Color changes
6. It may be impossible to tell what is __________ and what is effect because there may be years between the two.
7. The ___________ is strictly a forest insect, which is why people were outraged when residential areas were sprayed to control it.
(b) Gypsy moth
(c) Fire ant
(d) Dutch Elm
8. ________ are genetically adapting to the chemicals we use to control them.
9. Those who enjoy _________ also lose when the fish population goes down.
(a) Sport fishing
(b) Touring the waterways
(d) Scuba diving
10. ________________ are affected because poisoned fish are not a source of food to sell.
(a) Commercial fisheries
(c) Sushi bars
(d) Grocery stores
11. Our chemical attacks on insects have weakened entire ___________.
12. What organ works to filter out the chemicals that enter the human body?
13. _____________ is not the only source of chemical contamination in the world.
(b) Mass spraying
(c) Nuclear power
(d) Acid rain
14. Some substances can interact with each other in unpredictable ways, increasing their _____________.
15. Without functioning ____________, even our organs are useless.
(a) Blood streams
(c) Brain activity
Short Answer Questions
1. What is the name of the chemical that changes form once it enters the environment, becoming another more deadly chemical?
2. Chemicals that act upon our genes can cause sudden __________, producing new and undesirable changes in subsequent generations.
3. Individual sensitivity to the various toxic substances is extremely ___________.
4. What does the narrow window reveal when seen from far away?
5. The spraying of chemicals became more widespread because of new insecticides and a surplus of ___________.
This section contains 362 words
(approx. 2 pages at 300 words per page)