HomeEnvironmental Science Quiz Quiz on Air Pollution and Water Pollution | Environmental Issues Multiple Choice Quiz 1. Ozone (O3) is formed mainly in which layer of the atmosphere Troposhere Ozone layer Stratosphere Ionosphere 2.Chlorofluorocarbons rise to the stratosphere and React directly with stratospheric ozone to destroy it. Become free radicals that react with oxygen to create ozone. React with free radicals to remove carbon dioxide. After interacting with UV energy, become free radicals, which destroy ozone. 3.Ozone in the atmosphere absorbs: All UV-C All UV-C and most of UV-B All UV-A and UV-B All UV-A and UV-C 4.Match the folllowing a- iii, b-i, c-iv, d-ii a- ii, b-i, c-iv, d-iii a- i, b-ii, c-iii, d-iv a- iv, b-i c-iii, d-ii 5.The major constituent of photochemical smog is Carbon monoxide Sulfur dioxide Lead Ozone 6. Pink disease, a disorder reported in human beings caused by intaking the heavy metal -------. Cadmium Lead Mercury Chromium 7.Select the primary air pollutant smog tropospheric ozone peroxyacyl nitrate None of these 8.Carbon dioxide is primarily called a greenhouse gas because Traps heat Traps light Traps warm currents None of these 9. Measuring BOD (Biological Oxygen Demand) is primarily used for Estimating the types of microbes Determine the level of dissolved oxygen Estimating the quantity of organic matter in sewage water All of these 10.The presence of _________ in a water body is an indicator of water pollution. E.Coli Deinococcus radiodurans Zygosporangium All of the above Score = Correct answers: Tags: Environmental Science Quiz Facebook Twitter