Air and Atmosphere Multiple Choice Questions 6

Learn air and atmosphere MCQs, grade 6 science test 6 for learning online courses and test prep, air and processes multiple choice questions and answers. Air and processes revision test includes science worksheets to learn for science help for online contests.

Science multiple choice questions (MCQ) on respiration takes place at/in with choices night, all of these, day time and evening, air and processes quiz for competitive exam prep, summative and formative assessment interview questions with answers key. Free science study guide to learn air and processes quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Quiz PDF Download Worksheets 6

MCQ. Respiration takes place at/in

  1. all of these
  2. night
  3. day time
  4. evening


MCQ. Exhaled air contains 16% oxygen and about 4% of carbon dioxide, rest of 80% is

  1. neon
  2. argon
  3. nitrogen
  4. none of them


MCQ. Condensation point of nitrogen gas is

  1. (-156°C)
  2. (-166°C)
  3. (-196°C)
  4. (-186°C)


MCQ. Oxidation is accompanied by

  1. volume
  2. heat & light
  3. light
  4. heat


MCQ. Other than nitrogen and oxygen, composition of rest of gases is about

  1. 4%
  2. 3%
  3. 2%
  4. 1%