The class of anthropogenic compounds responsible for the breakdown of stratospheric ozone are
A. VOCs
B. CFCs
C. VFCs
D. COX
E. FCCs - ANSWER-B
The protective layer of oxygen and stratospheric ozone absorbs over 99 percent of incoming
A. solar radiation
B. UV radiation
C. UV-A and UV-...
The class of anthropogenic compounds responsible for the breakdown of stratospheric
ozone are
A. VOCs
B. CFCs
C. VFCs
D. COX
E. FCCs - ANSWER-B
The protective layer of oxygen and stratospheric ozone absorbs over 99 percent of
incoming
A. solar radiation
B. UV radiation
C. UV-A and UV-B radiation
D. UV-B and UV-C radiation
E. UV-A and UV-C radiation - ANSWER-D
Which does NOT describe the production of stratospheric ozone?
A> It is a closed loop cycle
B. It is formed from the reaction O with O2 in the presence of ultraviolet radiation
C. It is formed from the reaction of C with O2 in presence of NOX
D. Without interference, there is a balance of ozone being created and destroyed
E. Ozone absorbs UV-B and decomposes into O2 and O - ANSWER-C
How do CFCs affect ozone production?
A. UV radiation frees a chlorine atom, which breaks down ozone
, B. Infrared radiation frees a chlorine atom, which breaks down ozone
C. UV radiation frees a fluorine atom, which breaks down ozone
D. Infrared radiation frees a chlorine atom, which breaks down ozone
E. UV radiation frees a carbon atom, which breaks down ozone - ANSWER-A
Beneficial ozone is _______ and the dangerous ozone is ________.
A. O2, O3
B. O3, O2
C. O3, CFC
D. tropospheric, stratospheric
E. stratospheric, tropospheric - ANSWER-E
The depletion of ozone over Antartica is greatest during
A. August through November
B. December through February
C. February through May
D. June through August
E. December and June - ANSWER-A
Which is NOT associated with the thinning ozone layer?
A. Increased incidences of asthma
B. Increased incidences of skin cancer
C. Increased incidences of cataracts
D. Reduction in photosynthetic activity in plants
E. Suppressed immune system - ANSWER-A
Which agreement allowed for a reduction, and eventual elimination, of CFC production
and use?
A. The Montreal Protocol
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