Stratospheric Ozone - 无忧得胜-网上国际课程 (5edu.win)

1#

State which of the following is not an ozone-depleting subs1 b m)fn3mca,efo vc7e+nr39vtance (ODS).

A. Chlorine

B. CFCs

C. Bromine

D. $CO_2$

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

State which factor has not caused a mass exti- t-93avp( m41strbt-rcc)u(r 1 1aenkbkwwtnction in the past.

A. Plate tectonics

B. Ice ages

C. The ozone hole

D. Impact of a meteorite

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Identify which of the following is not true about stratospher0za:zb9,vmw rx-gy e- ic ozone.

A. Stratospheric ozone is in a state of dynamic equilibrium.

B. Ozone forms when an oxygen atom combines with an oxygen molecule.

C. Ozone mostly protects living systems from UV-A radiation.

D. Anthropogenic activities have impacted stratospheric ozone leading to the formation of a hole in the layer.

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Determine which of the following greenhouse gases is correctly paired cg zdktqt8s 2)k9tqm,oc+q01o7r rk 5with its sou 82)+ktoqk 1t rqdst0mo kcz5c gr,q97rce.

A. Greenhouse gas is Methane,Source is Melting of permafrost in frozen tundra

B. Greenhouse gas is Nitrous oxide,Source is Landfills

C. Greenhouse gas is Carbon dioxide,Source is Production of aluminium and magnesium

D. Greenhouse gas is Fluorinated gasesSource is Melting of permafrost in frozen tundra

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

State which is not true jd-9y c/t* xcb vl*)1zx/wnvn regarding greenhouse gases.

A. Heat is not trapped equally by all greenhouse gases.

B. The greenhouse effect resulting from naturally occurring greenhouse gases is needed for life on Earth.

C. Sulfur dioxide is a greenhouse gas.

D. Methane is more potent than carbon dioxide in trapping heat energy.

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

List the main greenhouse gz :9bkb,;)tg3qwygrc ases.

A. Example 1 is ozone,Example 2 is carbon dioxide Example 3 is methane

B. Example 1 is water vapour ,Example 2 is carbon dioxide Example 3 is methane

C. Example 1 is water vapour ,Example 2 is carbon dioxide Example 3 is nitrogen dioxide

D. Example 1 is ozone,Example 2 is carbon dioxide Example 3 is nitrogen dioxide

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Variations in ozor27t rzrj;nbiim1 1u,ne hole area since 1979

Describe the trends seen in the graph
I.
The mean and maximum ozone hole area start to increase from 1979.
II.
The mean ozone hole area reached a maximum somewhere between 2000 and 2010.
III.
There is a downward trend from 2015 to the present for the mean ozone hole area.
.

A. I and II only

B. I, II and III

C. III only

D. I and III only

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Variations in ozofmp7by.guph9 5 z c56l4pun7rne hole area since 1979

Deduce why is there a downward trend in the area of the ozone hole in recent years.

A. Errors due to measurements taken in recent years

B. An international agreement in the 1980s to eliminate the use of ozone-depleting substances (ODS)

C. An increase in the use of CFCs and methyl bromide

D. A decrease in tropospheric ozone

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Outline how the depletion of stratospheric oza1dh f vd gc,vnz3iljf8/.0 ,kone can impact living systems.

A. Impact on humans is Formation of cataracts,Impact on the environment is Increase photosynthesis in plants

B. Impact on humans is Development of respiratory issues,Impact on the environment is Decrease productivity of phytoplankton

C. Impact on humans is Formation of cataracts,Impact on the environment is Decrease photosynthesis in plants

D. Impact on humans is Development of respiratory issues,Impact on the environment is Increase productivity of phytoplankton

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Determine to which level of pollution management strategy each ccg1z)2m lb)i of the below strategies belongs. 1))bcim lzcg2
I.
Passing legislation that regulates the amount of ozone-depleting substances (ODS) that are released into the environment.
II.
Developing technologies that will allow for the elimination of ODS from the ozone layer.
III.
Passing legislation that prohibits the use of ODS and requires the use of their alternatives.

A. Tier one: I ; Tier two: II ; Tier three: III

B. Tier one: III ; Tier two: II ; Tier three: I

C. Tier one: III ; Tier two: I ; Tier three: II

D. Tier one: III ; Tier two: I ; Tier three: II

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Describe ozone-depleting substances (ODS) and their effectse qdd:se2 9pq( f jq/v36sdy;o.
I.
Ozone-depleting substances include halogenated gases like CFCs, used as propellants in aerosols and coolants for refrigerators.
II.
The ODS reach the stratosphere and release the halogens they carry. This disrupts the normal equilibrium of ozone formation and destruction, causing a decline in ozone.
III.
The stratosphere can no longer absorb enough of the UV radiation, causing the rays to reach the surface of the Earth, harming the organisms, causing eye problems and skin cancer.

A. I and II only

B. I and III only

C. I, II and III only

D. III only

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Identify the most successful action in combatting the decreaser *.o-wgx. kkn in the concentration of str- onk .*xgw.kratospheric ozone.

A. The Kyoto Protocol, 1997

B. The Paris Agreement, 2015

C. The Montreal Protocol, 1987

D. Rachel Carson’s book ‘Silent Spring’, 1962

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13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Depletion of stratospheric ozone has affected life on Earth inpbe: vh(87qyw many ways.
Identify which of the following is not the result of depletion of stratospheric ozone.

A. Cataracts

B. Skin cancer

C. Premature ageing of skin

D. Increase in phytoplankton production

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14#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: ODS Emissions from 190* pvel;dgr x;61 to 2014

Outline whether the Montreal Protocol has been successful in achieving its aims.

A. The Montreal Protocol is considered very successful in achieving its aims of phasing out ODS and restoring stratospheric ozone levels.

B. The Montreal Protocol is considered successful in achieving its aims of phasing out ODS and restoring stratospheric ozone levels. However, an illegal market for ODS still exists, which can delay the desired goal for ozone levels.

C. The Montreal Protocol is not considered successful in achieving its aims of phasing out CFCs and restoring stratospheric ozone levels. Illegal markets still exist to sell ODS and harm the ozone layer.

D. The Montreal Protocol is not considered successful in achieving its aims of phasing out CFCs and restoring stratospheric ozone levels. This is because very few countries agreed to it and actually adhered to its guidelines. Markscheme

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15#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Ozone concentration /jv,bl2k))qk1 eiorhc dzwy9 +bxu,7 at different altitudes

Identify the option that does not correctly describe stratospheric and tropospheric ozone.

A. Stratospheric ozone is Located at A, in the figure shown above,Tropospheric ozone is Located at B, in the figure shown above

B. Stratospheric ozone is Secondary pollutant from industrial processes and vehicle exhaust,Tropospheric ozone is Ozone that is decreasing in concentration in the atmosphere since the 1970s

C. Stratospheric ozone is Absorbs 90% of incoming UV-B radiation from the sun,Tropospheric ozone is Air pollutant and acts as a greenhouse gas

D. Stratospheric ozone is Protects life on Earth’s surface from exposure to harmful levels of UV radiation, which can damage DNA,Tropospheric ozone is Breathing this ozone is harmful to the young, elderly and people with respiratory problems.

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16#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Stratospheric ozone concentration from 1960 to xra/le5ltn hx,j0wf te f 966,2100

Explain the reason behind the delayed effect in ozone reformation seen in the Figure, considering that the Montreal Protocol took effect in 1989.

A. ODS are very persistent and can remain in the stratosphere for decades.

B. Release of greenhouse gases has made the ozone hole larger and led to a delay in the restoration.

C. ODS are still widely produced and used globally; thus the ozone layer continues to be destroyed.

D. Ozone concentration has increased in the troposphere due to anthropogenic impact, making the quantity of ozone less readily available in the stratosphere.

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