Podcast
Questions and Answers
Ozone is a greenhouse gas.
Ozone is a greenhouse gas.
True
The ozone layer can be divided into three main parts: Tropospheric Ozone, Surface Ozone, and Upper Tropospheric Ozone.
The ozone layer can be divided into three main parts: Tropospheric Ozone, Surface Ozone, and Upper Tropospheric Ozone.
False
At the peak of the ozone layer, it is the most abundant gas compared to CO2, O2, and N2.
At the peak of the ozone layer, it is the most abundant gas compared to CO2, O2, and N2.
False
Columnar Ozone Measurement involves the use of Dobson Ozone Spectrophotometer and Brewer spectrophotometers.
Columnar Ozone Measurement involves the use of Dobson Ozone Spectrophotometer and Brewer spectrophotometers.
Signup and view all the answers
Stratospheric ozone is formed through chemical reactions involving ultraviolet sunlight and oxygen molecules.
Stratospheric ozone is formed through chemical reactions involving ultraviolet sunlight and oxygen molecules.
Signup and view all the answers
In the second step of stratospheric ozone production, each oxygen atom combines with a nitrogen molecule to produce an ozone molecule.
In the second step of stratospheric ozone production, each oxygen atom combines with a nitrogen molecule to produce an ozone molecule.
Signup and view all the answers
Joseph Farman, Brian Gardiner, and Jonathan Shanklin discovered the Antarctic Ozone Hole in 1985.
Joseph Farman, Brian Gardiner, and Jonathan Shanklin discovered the Antarctic Ozone Hole in 1985.
Signup and view all the answers
The Antarctic Ozone Hole was detected in 1986 by NASA.
The Antarctic Ozone Hole was detected in 1986 by NASA.
Signup and view all the answers
Chlorine is a natural component that contributes to the formation of the Ozone Hole.
Chlorine is a natural component that contributes to the formation of the Ozone Hole.
Signup and view all the answers
Thomas Midgley, Jr. developed Freon to be used as a hazardous refrigerant.
Thomas Midgley, Jr. developed Freon to be used as a hazardous refrigerant.
Signup and view all the answers
CFCs have been extensively used since the 1920s.
CFCs have been extensively used since the 1920s.
Signup and view all the answers
The concentration of CFCs in the atmosphere has decreased as their use increased.
The concentration of CFCs in the atmosphere has decreased as their use increased.
Signup and view all the answers
Approximately 90% of the total column amount of ozone in the atmosphere disappears during the Antarctic ozone hole.
Approximately 90% of the total column amount of ozone in the atmosphere disappears during the Antarctic ozone hole.
Signup and view all the answers
In spring, as temperatures begin to rise, the ozone layer starts to deplete.
In spring, as temperatures begin to rise, the ozone layer starts to deplete.
Signup and view all the answers
The first Ozone Observations were made in 1929 at Kodaikanal.
The first Ozone Observations were made in 1929 at Kodaikanal.
Signup and view all the answers
IMD acquired its first Dobson Spectrophotometer in 1950.
IMD acquired its first Dobson Spectrophotometer in 1950.
Signup and view all the answers
The Vienna Convention for the Protection of the Ozone Layer began the process in 1995.
The Vienna Convention for the Protection of the Ozone Layer began the process in 1995.
Signup and view all the answers
Observations at Bharati Antarctica are mentioned multiple times in the text.
Observations at Bharati Antarctica are mentioned multiple times in the text.
Signup and view all the answers
The Kigali Amendment aims to phase up the production and consumption of HFCs worldwide.
The Kigali Amendment aims to phase up the production and consumption of HFCs worldwide.
Signup and view all the answers
Countries committed to cut the production and consumption of HFCs by more than 80 percent over the next 20 years.
Countries committed to cut the production and consumption of HFCs by more than 80 percent over the next 20 years.
Signup and view all the answers
Developed countries will reduce HFC consumption later than developing countries according to the Kigali Amendment.
Developed countries will reduce HFC consumption later than developing countries according to the Kigali Amendment.
Signup and view all the answers
R-441A is one of the HFCs mentioned in the text.
R-441A is one of the HFCs mentioned in the text.
Signup and view all the answers
The Government of India has set up an Ozone Cell to implement the Montreal Protocol in India.
The Government of India has set up an Ozone Cell to implement the Montreal Protocol in India.
Signup and view all the answers
The continued production of CFCs globally would have led to higher ozone levels.
The continued production of CFCs globally would have led to higher ozone levels.
Signup and view all the answers
Ozone is continually being created in the stratosphere by the combination of molecular oxygen and moonlight.
Ozone is continually being created in the stratosphere by the combination of molecular oxygen and moonlight.
Signup and view all the answers
Ozone is destroyed naturally in the stratosphere by ultraviolet radiation.
Ozone is destroyed naturally in the stratosphere by ultraviolet radiation.
Signup and view all the answers
The rate of ozone formation is greater than the rate of its removal in the stratosphere.
The rate of ozone formation is greater than the rate of its removal in the stratosphere.
Signup and view all the answers
Stratospheric ozone production is limited by the availability of molecular oxygen on the bottom side of the layer.
Stratospheric ozone production is limited by the availability of molecular oxygen on the bottom side of the layer.
Signup and view all the answers
The two main ingredients for stratospheric ozone production are nitrogen and sunlight.
The two main ingredients for stratospheric ozone production are nitrogen and sunlight.
Signup and view all the answers
UV sunlight is rapidly absorbed by ozone itself at the top side of the ozone layer.
UV sunlight is rapidly absorbed by ozone itself at the top side of the ozone layer.
Signup and view all the answers