Air and Atmosphere Multiple Choice Questions Test 12

Practice science quiz 12 on air and atmosphere MCQs, grade 6 gas properties and air multiple choice questions. Free gas properties and air guide has science worksheet with answering options argon, oxygen, nitrogen and carbon dioxide of multiple choice questions (MCQ) with gas properties and air quiz as left over gas after process of combustion is generally for exam prep. Study to learn gas properties and air quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere - Quiz 12

MCQ. Left over gas after process of combustion is generally

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


MCQ. Sphere that prevent ultraviolet rays from sun is known as

  1. exosphere
  2. troposphere
  3. atmosphere
  4. stratosphere


MCQ. In humid areas, water vapor content is

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


MCQ. Percentage composition of oxygen in air is

  1. 21%
  2. 31%
  3. 41%
  4. 51%


MCQ. Air is important on earth because it has necessary components essential for life of

  1. plants
  2. animals
  3. organism
  4. plants, animals and other organisms