Ozone Hole MCQs Quiz Worksheet PDF Download

Learn ozone hole MCQs in earth-science quiz for test prep. Atmosphere composition quiz questions has multiple choice questions (MCQ), ozone hole test as ozone has been depleted due to. Answer key help with choices as cfs, uv rays, oil spill and deforestation problem solving for competitive exam, viva prep, interview questions worksheets. Free Earth-science revision notes to practice ozone hole quiz with MCQs to find questions answers based online tests.

MCQs on Ozone Hole Quiz PDF Download

MCQ. Ozone has been depleted due to

  1. CFS
  2. UV rays
  3. oil spill
  4. deforestation


MCQ. A CFC molecule has power to remain active in stratosphere up to

  1. 120 years
  2. 60 years
  3. 45 years
  4. 210 years