Composition of Air MCQs Quiz Worksheet PDF Download

Learn composition of air MCQs, science test for online learning courses and test prep to practice. Air and atmosphere quiz questions has multiple choice questions (MCQ), composition of air test to learn for 6th grade science placement test.

Science practice test MCQ: greenhouse gas that absorbs energy and maintains earth's temperature is with choices carbon dioxide, oxygen, nitrogen and argon to improve study skills for exams by online learning on distance education ePortal. Free science revision notes to learn composition of air quiz with MCQs to find questions answers based online learning tests.

MCQs on Composition of Air Quiz PDF Download

MCQ: A greenhouse gas that absorbs energy and maintains earth's temperature is

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

A

MCQ: Main constituent in air is

  1. nitrogen
  2. oxygen
  3. argon
  4. water vapor

A

MCQ: In desert areas, water vapor content is

  1. different
  2. higher
  3. low
  4. constant

C

MCQ: In humid areas, water vapor content is

  1. higher
  2. lower
  3. constant
  4. none of them

A

MCQ: Water vapor is less dense than

  1. temperature
  2. air
  3. dust
  4. space

B