Atmosphere Composition Multiple Choice Questions 2 PDF Download

Learn atmosphere composition MCQs, online science test 2, composition of atmosphere multiple choice questions and answers. Composition of atmosphere revision test has earth-science worksheets, helping answer key with choices as hydrogen, oxygen, carbon dioxide and nitrogen of multiple choice questions (MCQ) with composition of atmosphere quiz as the gas which has percentage equal to 78% in air is the for competitive exam prep, viva interview questions. Free earth-science study guide to practice composition of atmosphere quiz to attempt multiple choice questions based test.

MCQs on Atmosphere Composition Quiz PDF Download Worksheets 2

MCQ. The gas which has percentage equal to 78% in air is the

  1. oxygen
  2. hydrogen
  3. carbon dioxide
  4. nitrogen


MCQ. Thermosphere as compare to troposphere is

  1. less dense
  2. more dense
  3. colder
  4. hotter


MCQ. Ozone has been depleted due to

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


MCQ. Earth has tendency to absorb the energy from sun which is

  1. 0.25
  2. 0.2
  3. 0.5
  4. 0.05


MCQ. The mixture of gases around us is regarded as

  1. ecosystem
  2. atmosphere
  3. environment
  4. climate