Air and Atmosphere Multiple Choice Questions 11

Learn air and atmosphere MCQs, grade 6 science test 11 for online courses learning and test prep, atmosphere basic facts multiple choice questions and answers. Atmosphere: basic facts revision test includes science worksheets to learn for grade 6 earth science exam prep.

Science multiple choice questions (MCQ) on odorless, invisible gas that makes about 20%-22% of earth's atmosphere is known as with options nitrogen, oxygen, argon and carbon, atmosphere basic facts quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn atmosphere basic facts quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Quiz PDF Download Worksheets 11

MCQ. An odorless, invisible gas that makes about 20%-22% of earth's atmosphere is known as

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

A

MCQ. A thin layer that is held in place by gravity and provides us with oxygen is known as

  1. temperature
  2. season
  3. atmosphere
  4. weather

C

MCQ. Percentage composition of nitrogen in air is

  1. 58%
  2. 68%
  3. 78%
  4. 88%

C

MCQ. Second step of fractional distillation is heating mixture so that components evaporate at their

  1. boiling point
  2. freezing point
  3. neutral point
  4. none of them

A

MCQ. In respiration, living organisms take in oxygen and give out

  1. water vapor
  2. argon
  3. carbon dioxide
  4. nitrogen

C