Air and Atmosphere Multiple Choice Questions Test 6

Practice science quiz 6 on air and atmosphere MCQs, grade 6 air and processes multiple choice questions. Free learning guide has science worksheet with answering options night, all of these, day time and evening of multiple choice questions (MCQ) with air and processes quiz as respiration takes place at/in for exam prep. Study to learn air and processes quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere - Quiz 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%