WorksheetsQUIZTIE ( ROUND 2)
Total questions: 20
Worksheet time: 4mins
Which of the following is not the consequence of ozone layer depletion?
Increased ultraviolet rays
Malignant melanoma-Another form of skin cancer
Cyanobacteria are sensitive to UV radiation and would be affected by its increase
Tides
In which sphere Ozone layer depletion is found?
Ionosphere
Stratosphere
Lithosphere
None of these
In which year CFC's were banned in developing countries
2002
2004
1998
2000
In which year CFC's were banned in developing countries
Oxygen
Chlorine
Nitrogen
Arsenic
Which of the following can still legally be
produced in Australia?
Hydrofluorocarbons (HFCs)
Hydrochlorofluorocarbons (HCFCs)
Chlorofluorocarbons (CFCs)
Both a. and b.
How much ozone can one kilogram of
halon 1211 destroy?
1 kilogram
100 tonnes
50 kilograms
50 tonnes
What is the (approximate) global
warming potential (GWP) of
hydrofluorocarbon HFC-134a?
130
2200
1430
HFC-134a does not have a global warming potential
Which plant produce ozone at the time of photosynthesis?
Areca Palm
English Ivy
Aloe Vera
Tulsi
what is the name the international agreement committing parties to phasing out ozone depletion substances and phasing down hfcs?
The Kyoto Protocol
Montreal Protocol
Paris Agreement
WIPO Convention
What range of wave lengths of suns radiationbis absorbed by ozone layer?
200nm- 315nm
200nm- 415nm
100nm- 215nm
100nm- 315nm
who discovered formation of ozone from photochemical reactions?
Nikola Tesla
G.M.B Dobson
Ada Lovelace
Allen Bard
In which season is the ozone found at its maximum level in the northern hemisphere?
Spring
Autumn
Winter
Summer
CFCs (chlorofluorocarbons) are greenhouse gases that have caused a rise of 3 degree C in the global temperatures in the past century. Name the CFC that is used in refrigerators?
Carbon dioxide
Methane
Ammonia
Freon
Why UV radiation is higher in summer?
The Sun is closer to planet earth so UV rays have a shorter distance to travel to reach us
There is more ozone in the atmosphere during summer
The sun is particularly busy in summer
None of these
The concentration of ozone is measured in ___ units
Dobson
kg
Degree
Decibal
What is the correct equation for the breakdown of ozone?
O3 + UV ---> O3 + energy
O3 + UV ---> O2 + O
O2 + O + UV ---> O3
Ozone cannot be broken down
When was the first news of the ozone hole first published?
1965
1974
1985
1990
4.How many ozone atoms can a single chlorine atom break down?
5,000
10,000
50,000
100,000
Who discovered the formation of ozone from photochemical reactions?
Sydney Chapman
Carl Sagan
Henri Buisson
G.M.B Dobson
Which is the most dangerous polar stratospheric cloud?
Nacreous clouds
Cirrostratus Clouds
cumulus clouds
Cirrus Clouds
