The formation of ozone hole in the Antarctic region has been a cause of concern. What could be the reason for the formation of this hole?
✓ Correct answer: b) Presence of prominent polar front and stratospheric clouds; and inflow of chlorofluorocarbons.
ExplanationAntarctic Ozone Hole was discovered by British Ant- arctic Survey scientists Farman, Gardiner and Shanklin in 1985. The formation of the ozone hole in the Antarctic has been an annual occurrence (in the months of September, October and November, due to a set of special meteorological and chemical conditions that arise at the South Pole, such as the presence of strong polar front, polar stratospheric clouds and increasing inflow of human-made chemicals like CFCs, etc. 114
Practice more Environment PYQs
Attempt a free 10-question quiz or browse the full Environment & Ecology previous-year-question bank with instant answers and explanations.
🌱 Environment PYQs →