When is World Ozone Day?
September 16
From which year did the United Nations (UN) observe September 16 as World Ozone Day?
September 16, 1994
Ozone Day is celebrated by which UN agency?
UNEP (United Nations Environment Program)
Ozone Day message for 2021?
Montreal Protocol – Keeping us, our food and vaccines cool
What is the message of Ozone Day 2020?
Ozone for life: 35 Years of ozone layer protection
In which year was September 16 declared as the Ozone Layer Protection Day by the United Nations General Assembly?
1988
Ozone Day is celebrated in Kerala under the auspices of which organization?
State Science and Technology Environment Committee (STEC Thiruvananthapuram)
Which atmospheric zone contains the ozone layer?
Stratosphere
Which layer of the atmosphere is known as the ‘House of Mankind’?
Stratosphere
How high is the ozone layer above the earth?
20 to 35 km
Which German scientist discovered ozone gas in 1839 and named it ozone?
Christine Frederick Shawn Bain
Christine Frederick Sean Bain was a professor at which university?
University of Basel in Switzerland
The word ozone is derived from which Greek word?
Ocean
What is the meaning of the Greek word ocean?
Fragrant
What is the color of ozone?
Light blue
Who were the French physicists who discovered the ozone layer in 1913?
Charles Fabry, Henry Bison
In which part of the earth was the ozone hole first discovered?
In the Antarctic region
At what point in the Antarctic is the ozone layer most visible?
In the summer
Who were the first scientists to discover the ozone layer?
Joy Farman, Bean Gardiner, Jonathan Shanklin
How long can an ozone molecule last?
An hour
How do plants absorb ozone?
Through the leaves
What is known as ‘tri – oxygen’?
Ozone
Ozone is mainly made up of which substance?
Nitrogen dioxide
Ozone is formed from which substance?
3 oxygen atoms
Who Discovered Oxygen?
Joseph Priestley
Who gave the name ‘Oxygen’?
Anton Laurent Laosier
What is the atomic number of oxygen?
8 (eight)
What is the amount of oxygen in the atmosphere?
21%
What is the disease that causes ozone depletion in humans?
Asthma
Which instrument is used to record ozone levels?
Spectrometer
Who Invented the Spectrometer?
GMB Dobson
In which unit is the amount of ozone in the atmosphere recorded?
Dobson unit
Who was the British scientist who pioneered the establishment of the World Ozone Observatory chain between 1928 and 1958?
GMB Dobson
Which of the following countries has signed an agreement for the protection of the ozone layer?
Montreal Protocol
In which year was the Montreal Protocol signed?
September 16, 1987
When did the Montreal Protocol come into being?
January 1, 1989
How many countries have so far signed the Montreal Protocol?
197
How many countries were the first to sign the Montreal Protocol?
24
Montreal is in which country?
Canada
When did India sign the Montreal Protocol?
September 17, 1992
In which country was the Montreal Protocol signed on September 16, 1987?
Canada
Which is known as the most successful environmental agreement?
Montreal Protocol
What is used to disinfect mineral water?
Ultraviolet rays and ozone
What is found in photochemical smog?
Ozone
Who is the scientist who discovered how the ozone molecule is formed?
Sidney Chapman
Another name for the ozone cycle?
Chapman wheel
How does ozone depletion affect plants?
Stunting the growth of plants
When is the ozone concentration highest?
Summer
Why is there an increase in ultraviolet radiation in summer?
As the earth gets closer to the sun
What is the so-called blanket of the earth?
Ozone layer
Which satellite is constantly monitoring the ozone hole?
TOMS (Total Ozone Mapping Spectrometer)
Which ultraviolet light causes sunburn and cancer?
UV-B
Which deadly radiation in the ozone layer is blocked by the ozone layer?
Ultraviolet radiation
How are the ultraviolet rays of sunlight classified?
UV- A, UV-B, UV-C
Which clouds cause damage to the ozone layer?
Necrosis clouds
Which spacecraft was launched to detect ozone?
Nimbus7
When was the first hole in the ozone layer discovered?
1985
Which year recorded the largest depletion of the ozone layer?
2006
Which is the main chemical that causes pores in the ozone layer?
Chlorofluorocarbons
By what name are the substances that cause the breakdown of the ozone layer known?
ODS (OZONE DEPLETION SUBSTANCE)
Where was the harmful effect of ozone on plants first reported?
Los Angeles (1944)
Which plant releases ozone during photosynthesis?
Tulsi
Which compound causes ozone depletion?
CFC (Chlorofluorocarbon)
What is the full form of CFC?
Chlorofluorocarbons
Who Invented Chlorofluorocarbons (CFCs)?
Thomas Midgley
What is the trade name for CFC (Chlorofluorocarbon)?
Freon
Which element in chlorofluorocarbons (CFCs) harms the ozone layer?
Chlorine
Which country was the first to impose a carbon tax on chlorofluorocarbons emitting cracks in the ozone layer?
New Zealand
What is the chemical name of ozone?
O3
What is the natural phenomenon of ozone production in the atmosphere?
Lightning
Where was the harmful action of ozone in humans first reported?
Los Angeles (1950)
What is the so-called ‘umbrella of the earth’?
Ozone layer
What is the phenomenon that scientists have recently discovered that causes the ozone layer to close?
Polar vertex
Which EU atmospheric monitoring system?
CAMS (Copernicus Atmosphere Monitoring Service)
When was the Vienna Convention held?
1985
Which shield protects the earth from ultraviolet rays?
Ozone layer
What is the full form of ODP?
Ozone Depleting Potential
Ozone is an allotropy of which?
Oxygen
How many oxygen atoms are there in an ozone molecule?
3 oxygen atoms
Which crop suffers from excessive exposure to ultraviolet rays?
Paddy
At what age is ozone most affected in humans?
Childhood
International conference on the protection of the ozone layer was first discussed by?
Vienna Conference (1985)
Who was the first Dutch scientist to identify ozone gas?
Martinez Vanmaram
Ozone molecules combine to form ozone molecules, and when ultraviolet light strikes, ozone decomposes and turns back into oxygen. What is this known as?
Ozone- Oxygen cycle
Which was the first amendment to the Montreal Protocol?
London Amendment
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