mediumFPSCNTSCSSPPSCEveryday Science
Answer explanation
Explanation included
Practice quiz ready
Related Everyday Science MCQs
View allAnswer and explanation
Correct Answer: A: Dobson
Explanation: The correct answer is A: Dobson. The unit to measure the quantity of ozone in the atmosphere is the Dobson unit (DU). One Dobson unit represents a layer of pure ozone 0.01 mm thick at standard temperature and pressure.