Composition of Air MCQs Quiz Worksheet PDF Download

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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