Atmosphere Composition Multiple Choice Questions and Answers 2 PDF Download

Learn atmosphere composition MCQs, science test 2 for online learning courses and test prep. Composition of atmosphere multiple choice questions (MCQs), atmosphere composition quiz questions and answers include earth-science worksheets for environmental earth sciences online tests.

Earth science multiple choice questions (MCQ) on gas which has percentage equal to 78% in air is the with options hydrogen, oxygen, carbon dioxide and nitrogen, composition of atmosphere quiz with 6th, 7th and 8th grade science tests from textbooks with teaching resources and teaching guide questions. Free earth-science study guide to learn composition of atmosphere quiz to attempt multiple choice questions based test.

MCQs on Atmosphere Composition Worksheets 2 Quiz PDF Download

MCQ: 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 energy from sun which is

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


MCQ: Mixture of gases around us is regarded as

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