Download Practice Questions on Biodiversity

Practice Questions on Biodiversity
1. Which of the following correctly describes the process of clear-cutting?
A) Some mature trees are left to provide shade for younger trees.
B) Only trees with commercial value are cut down.
C) A few mature trees are left to reseed the land after cutting.
D) All commercially usable trees in an area are cut down.
E) Trees are planted between rows of other crops.
2. All of the following are problems CREATED by deforestation of rainforests EXCEPT
A) Increased erosion
B) Loss of biodiversity in the area
C) Changes in the local rainfall levels
D) An increase in the availability of grazing land
E) Loss of soil fertility
3. Which of the following is not a renewable resource?
A) Air
B) Soil
C) Copper ore
D) Water
E) Biodiversity
4. Nations have overfished international waters and have depleted many commercially important fish
species. This is a good example of which of the following?
A) International agreements
B) The Tragedy of the Commons
C) The Rule of 70
D) Trade barriers
E) Sustainability
5. The international trade of endangered species is regulated by which of the following?
A) The Endangered Species Act
B) Marine Mammal Protection Act
C) The National Environmental Policy Act
D) RCRA
E) CITES
6. Which factor does NOT significantly affect the amount of solar energy reaching the Earth’s surface?
A) Earth’s rotation every 24 hours
B) Earth’s revolution around the sun once per year
C) The tilt of the Earth’s axis
D) Atmospheric conditions
E) The distance between the Earth and the Sun
7. The agency responsible for the identification and listing of endangered species is the
A) Forest Service
B) Agricultural Department
C) National Park Service
D) Fish and Wildlife Service
E) Endangered Species Department of the Interior
Questions 7-10 refer to the various methods used to catch fish.
A) Drift net
B) Long line fishing
C) Aquaculture
D) Bottom trawling
8. A weighted net is dragged across the ocean floor D
9. Marine organisms are raised in a bay or confined area
C
10. This floats through the water indiscriminately catching everything in its path A
11. Bare hooks attached to lines are dropped off the side and then reeled back onboard
B
12. Which of the following government agencies is responsible for the management of federal
rangelands?
A) The U.S. Park Service
B) The U.S. Bureau of Land Management
C) The U.S. Bureau of Mines
D) The Environmental Protection Agency
E) The U.S. Commerce Department
13. Managing game species for sustained yields would be consistent with what conservation
approach?
A) Wildlife management approach
B) Species approach
C) Ecosystem approach
D) Sustainable yield approach
E) Holistic approach
14. The largest number of species are being exterminated per year in
A) Grasslands
B) Deserts
C) Forests
D) Tropical rain forests
E) The tundra
15. The introduction of an exotic species into a stable ecosystem can result in an unbalancing of the
system leading to
A) Species extinction
B) Niche alteration
C) Resource redistribution
D) Only A and B
E) All of the above
16. Humans are disrupting the carbon cycle in ways that have resulted in increased levels of carbon
dioxide in our atmosphere. Which of the following human activities are most directly responsible
for this increase?
A) Deforestation and the clearing of plants that absorb carbon dioxide through photosynthesis.
B) The addition of large amounts of CO2 to the atmosphere by burning fossil fuels and wood.
C) The use of fertilizers and pesticides.
D) A and B only
E) All of the above
17. All of the following are ways that humans are contributing to the extinction of organisms EXCEPT
through:
A) Introducing invasive species
B) Polluting land water and soil
C) Creating wildlife refuges
D) Altering the climate
E) Overharvesting resources
18. The Monteverde golden toad was in danger of extinction with minimal environmental change
because it was ________ to the Monteverde cloud forest
A) Foreign
B) Endemic
C) Related
D) Introduced
E) Extripated
19.