Composition of Air MCQs Test and Answers pdf Download

Practice composition of air MCQs and science for test prep and learning. Free air and atmosphere notes has multiple choice questions (MCQ) with composition of air quiz as a greenhouse gas that absorbs energy and maintains earth's temperature is with answering options carbon dioxide, oxygen, nitrogen and argon for exam preparation. Study to learn composition of air quiz with MCQs to find questions answers based online tests.

MCQs on Composition of Air

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