Florida International University
Department of Earth Sciences
OCE 3014: Oceanography
Practice Quiz (Not for credit)

1. After Nitrogen and Oxygen, which is the most abundant gas in the atmosphere?
A. Hydrogen
B. Carbon Di-Oxide
C. Argon
D. Ozone

2. Presently, the Carbon Di-Oxide concentration in the atmosphere is approximately
A. 280 ppm
B. 360 ppm
C. 0.9%
D. 10%

3. Addition of water vapor makes an air mass
A. lighter
B. heavier
C. makes no difference to the density of the airmass
D. lighter near the tropics and heavier near the polar regions

4. What is the name for the transition zone between the Stratosphere and the Troposphere
A. Stratopause
B. Stratocline
C. Tropopause
D. Tropocline

5. At what altitude does the stratosphere occur?
A. 0-11km
B. 11-20km
C. 11-45km
D. >45km

6. As one goes up from the earth's surface to mesosphere the temperature
A. increases
B. decreases
C. remains constant
D. first decreases then increases

7. What is the average amount of solar radiation received by the earth
A. 7 million cal/cm2/min
B. 2 cal/cm2/min
C. 1 cal/cm2/min
D. 0.5 cal/cm2/min

8. Of all the incident solar radiation what percentage is absorbed by the earth and the atmosphere?
A. 70%
B. 51%
C. 30%
D. 19%

9. The circular wind pattern in the hurricanes of the southern hemisphere are
A. CCW (Counter Clockwise)
C. First CW then CCW
D. First CCW then CW

10. Hurricanes form mostly
A. near Polar Fronts
B. in Horse Latitudes
C. At the Equator
D. between 15 and 20 latitudes

11. Because of the tilt of earth's axis of rotation
A. the Northern Hemisphere gets more heat in the summer
B. the Southern Hemisphere gets more heat during the summer
C. Both hemispheres get equal heat
D. the hemispheres get more heat every alternate year

12. Kyoto Protocol requires US to reduce it's greenhose gas emission by ___% by 2012
A. 50%
B. 25%
C. 10%
D. 7%


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