KAPLAN SC200 UNIT 6 QUIZ (LATEST 2015)

Question

Question 1. Question : The ozone layer in the atmosphere is able to block

infrared radiation

ultraviolet radiation

gamma rays

ultrared radiation

infraviolet radiation

Question 2. Question : An increase in the concentration of carbon dioxide in the atmosphere is contributing to

the greenhouse effect

the ozone hole

a decrease in global temperature

an increase in animal extinction

acid rain

Question 3. Question : In a typical ecosystem, which percentage of energy in a plant becomes available to an animal that eats the plant?

10%

20%

50%

90%

100%

Question 4. Question : Energy and matter pass through different organisms in an ecosystem at different steps called

populations

communities

species

trophic levels

ecologic niches

Question 5. Question : The importance of the ozone layer to Earth's inhabitants is

protection from ultraviolet rays.

to neutralize the NOx molecules in acid rain.

to prevent acid rain.

to mediate temperatures in the stratosphere.

all of these are correct.

Question 6. Question : If the annual temperature of Washington DC warms two degrees Celsius, its climate would be most like

Minnesota.

California.

Georgia.

England.

Missouri.

Question 7. Question : Which of the following is NOT considered to be a component of air pollution?

sulfur dioxide

nitrogen dioxide

nitrogen monoxide

carbon monoxide

nitrogen

Question 8. Question : Which are products of burning fossil fuels in the atmosphere?

carbon dioxide and water vapor

nitrogen oxides and sulfur compounds

water vapor and sulfur compounds

carbon dioxide and hydrocarbons

all of these are correct.

Question 9. Question : What are some ideas proposed to decrease the emissions that lead to global warming?

limit the burning of fossil fuels

strict auto emissions limits

use scrubbers to clean up coal-burning

drive more hybrid cars

all of these are correct

Question 10. Question : Why do scientists think that global warming is occurring?

20 of the 25 warmest years in recorded history occurred since 1980

sea level is rising

glaciers are melting

1990s was the warmest decade on record

all of these are correct

Question 11. Question : According to the equilibrium hypothesis, introducing a new species to an isolated ecosystem will

cause another species to go extinct.

cause a depletion of oxygen.

make other species stronger by increasing competition.

add to the diversity of the ecosystem

have no impact on the ecosystem.

Question 12. Question : A food web consists of

all of the herbivores in an ecosystem

all of the carnivores in an ecosystem

all of the predators in an ecosystem

all of the prey in an ecosystem

all of the organisms in an ecosystem

Question 13. Question : The greenhouse effect is due to the buildup of __________ in the atmosphere.

ozone

smog

carbon dioxide

oxygen

nitrogen

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