Air and Atmosphere Multiple Choice Questions 12

Learn air and atmosphere MCQs, grade 6 science test 12 for online learning courses and test prep, gas properties and air multiple choice questions and answers. Gas properties and air revision test includes science worksheets to learn for grade 6 science tests for kids.

Science multiple choice questions (MCQ): left over gas after process of combustion is generally with choices argon, oxygen, nitrogen and carbon dioxide, gas properties and air quiz for online competitive tests preparation for elementary school admission and high school admission. Free science study guide to learn gas properties and air quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Quiz PDF Download Worksheets 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