NATS-101 Sect. 51, 52
Fanciful Quiz 5 [Note: Quiz 5 will be all M/C]
FOR M/C SELECT SINGLE
BEST ANSWER AMONG CHOICES
The quiz will cover lecture material from April 4 through
April 13 and associated readings (3/25-4/6)
___1. “Carrying capacity”
(max. population that can be sustained) is NOT dependent on which ONE of the
following?
A. raw materials C. energy availability E. food availability
B. male:female ratio D. removal of wastes
___2. A surge (increase)
of world population was not associated with which of the following events?
A. the tool-making revolution C.
the Industrial Revolution
B. the agricultural revolution D.
the Bubonic Plague
___3.
Which of the following is not
a serious reason for tropical rainforest deforestation?
A. new pastures for milk/meat C. resettlement E. search for tropical medicine
B. fuelwood D. international logging
4. Which of the following terms would you use to
designate human-related activities such as mining or fossil-fuel
burning?
A. anthropomorphic B.
homomorphic C.
anthropogenic D. eutrophic E.
refugia
___5. Tropical rainforests tend to have most of their carbon
and nutrients in (1)____, whereas temperate forests
have most carbon and nutrients in
(2)____.
A.(1) litter, (2) canopy B.(1)
soils, (2) plants C. (1) plants, (2) soils D. (1) insects, (2) plants
___6. Most of the tropical wood being harvested around the
world goes to ______
A. furniture B. fuelwood C.
plywood D. sawnwood
___7. Inputs of CO2 to the atmosphere from
volcanoes are _______ CO2 emissions from fossil fuels.
A. about the same as B. much greater than C. much less than
___8. Which of the
following is NOT a mechanism whereby humans input the greenhouse gas, CO2,
to the atmosphere?
A. calcining (cement manufacture) B.
fossil-fuel burning C. land-use
changes D. nuclear power plants
9. Deforestation not only takes place in tropical rain forests, but it
has taken place in non-tropical forests as well, of which deforestation of in the 1800s is a good example.
A. Florida and the
B. Indonesia D.
___10. The highest
atmospheric CO2 levels over the last 600 million years occur or occurred ________.
A. 500 million years ago B. 20,000 years ago C. now D.
1965 during above-ground nuclear testing
___11. The largest
reserves of oil on our planet are located in _________________.
A. China B. North
___12. Which of the
following would be the best example of a renewable energy resource (in
terms of the perspective of human lifetimes)?
A. coal B. oil C.
natural gas D. ethanol/alcohol E. uranium
____13. Although it would be really nice to turn the
switch and immediately being using renewable energy resources, unfortunately
currently around ______ of commercial energy in the U.S. is still provided by
fossil fuels.
A. 10-15% B.
25-30% C. 50-55% D.
70-75% E. 85-90%
____14. What is the "missing sink" problem?
A. Unknown source of carbon emissions
B. Unknown process of carbon released into Earth's
atmosphere
C. Unknown mechanism that removes 1.3-2.3 GtC of carbon from atmosphere
D. Unknown mechanism that removes water vapor from the
atmosphere
____15. Which factor does not determine carrying
capacity?
A. natural resources B.
energy C. interactions
D. mating habits
____16. How are the nitrogen and sulfur cycles
related to the carbon cycle?
A. plant productivity (photosynthesis) uses CO2
but also requires nitrogen and sulfur
B. fossil-fuel burning not only inputs CO2
into the atmosphere, but inputs N and S oxides
C. SO2 and NOx
are released into Earth's atmosphere during wildfires along with CO2
D. All of the above
____17. Which of these does not contribute to
deforestation in the present?
A. Recent chemical changes in the atmosphere C.
Resettlement
B. Conversion of forest to pasture D. Debt
Repayment
____18. What is Thomas Malthus' hypothesis of world
population rates dating back to the early 1800s?
A. Nuclear war will eventually destroy the population
B. Plant productivity will overpower and decimate human
population
C. Population will increase exponentially unless affected
by war, disease, and famine
D. Population will always be fluctuate, but its long-term
trend will remain constant
___19. Which of the following is NOT a
natural event impacting soils?
A- landslides B- drought C- agriculture D-
glaciers
___20. Which of the following events/activities
influencing soils does NOT necessarily have an anthropogenic cause?
A-subsidence B-logging C-well pumping D-mining
___21. Estimated costs of
soil erosion in the U.S.A. are about _______ per year.
A. $4 million B. $40
million C. $4 billion D. $40 billion E. $400 billion F.
$4 trillion
___22. A gigaton of carbon is _______.
A. 1000 tons B. 1 million tons C. 1 billion tons D. 1 trillion tons
23.
Explain the “missing sink” problem (ca. 1990s) using the following
numbers: uptake by oceans= 2.4 GtC, increase in atmospheric CO2 concentrations=
3.3 GtC, fossil-fuel input= 6.3 GtC,
and input from tropical land-use change= 2.2 GtC.
24. Explain an example of how
the nitrogen cycle might be linked to the carbon cycle.
25. Before recent
deforestation, is it fair to say that the distribution of forests (locations
and species) in
26. Are CO2 fluxes
from fossil fuels to the atmosphere really pretty small compared to fluxes to
the atmosphere from natural sources?
Explain.
27. How is the population
profile (i.e., age distribution or “population pyramid”) of the United States
different than Mexico?
28. Why are
tropical/equatorial rain forests important?
29. Give 2 examples of
“land-use change”.
30. What factors determine the
rate of increase (or decrease) of population?
31. If a country has a
population of 100 million, and its population is increasing at a rate of 3.5%
per year, how long will it take to double to 200 million people?
32. What is “Peak Oil”?