Air and Atmosphere Multiple Choice Questions and Answers 12

Air and atmosphere MCQ, air and atmosphere quiz answers 12 to learn elementary school science online courses. Gas properties and air multiple choice questions (MCQs), air and atmosphere quiz questions and answers for online elementary education degree. Gas properties and air, atmosphere: basic facts, composition of air, air and processes test for elementary school teaching certification.

Learn elementary school science MCQs: Gas properties and air, atmosphere: basic facts, composition of air, air and processes, with choices troposphere, exosphere, atmosphere, and stratosphere for online elementary education degree. Free science study guide for online learning gas properties and air quiz questions to attempt multiple choice questions based test.

MCQ on Air and Atmosphere Worksheets 12 PDF Book Download

MCQ: Left over gas after process of combustion is generally

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

C

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

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

C

MCQ: In humid areas, water vapor content is

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

A

MCQ: Percentage composition of oxygen in air is

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

A

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

D