Air and Atmosphere Multiple Choice Questions and Answers 6

Air and atmosphere multiple choice questions, learn grade 6 science online test prep 6 for elementary school online courses, distance learning for exam prep. Practice air and processes multiple choice questions (MCQs), air and atmosphere quiz questions and answers for science class for science help for online contests.

Study elementary school science multiple choice questions (MCQs): respiration takes place at/in, for free online courses with choices night, all of these, day time, and evening, air and processes quiz with online competency based interview questions and answers to answer during teachers jobs' tests. Free science study guide for online learning air and processes quiz questions to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Worksheets 6 Quiz PDF Download

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%