Among the following, the only secondary pollutant is: Sulphur peroxide Sulphur dioxide (SOâ‚‚) Ozone None of these
In water pollution, industries are said to be the: Line sources Point sources Area sources None of these
The Pakistani population receives the largest dose of ionizing radiation from: Natural sources Fallout from nuclear weapons testing Nuclear medicine Nuclear power plants
One of the main functions of the earth’s ozone layer is to: Prevent global warming Filter out ultraviolet rays Absorb pollution All of the above Learn More About This Topic
The ozone layer is present in the atmosphere above earth. The stratum (layer) of atmosphere in which ozone layer lies… Exosphere Mesosphere Stratosphere Ionosphere
The ozone layer protects the earth from rays sent by the sun. Ultraviolet rays Infrared rays Gamma rays Radioactive rays
Which of the following does not vary predictably with the depth of the aquatic environment? Salinity Temperature Penetration by sunlight None of these
The Pakistani population receives the largest dose of ionizing radiation from:General Science & Ability MCQS, GSA 2016 MCQS
One of the main functions of the earth’s ozone layer is to:Everyday Science, General Knowledge, General Science & Ability MCQS, GSA 2016 MCQS, GSA 2021 MCQS, One Paper MCQS
The ozone layer is present in the atmosphere above earth. The stratum (layer) of atmosphere in which ozone layer lies…General Science & Ability MCQS, GSA 2016 MCQS
The ozone layer protects the earth from rays sent by the sun.General Science & Ability MCQS, GSA 2016 MCQS
Which of the following does not vary predictably with the depth of the aquatic environment?General Science & Ability MCQS, GSA 2016 MCQS
