Composition of Air MCQs Quiz Worksheet PDF Download

Practice composition of air MCQs in science quiz for online learning test. Air and atmosphere quiz questions has multiple choice questions (MCQ), composition of air test to practice as a greenhouse gas that absorbs energy and maintains earth's temperature is. Answer key help with choices as carbon dioxide, oxygen, nitrogen and argon problem solving for competitive exam, viva prep, interview questions worksheets. Free science revision notes to practice 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 the earth's temperature is

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

A

MCQ. The main constituent in air is

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

A

MCQ. In desert areas, the water vapor content is

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

C

MCQ. In humid areas, the 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