Grade 6 English MCQs

Air and Atmosphere Multiple Choice Questions Test 11

Practice science test 11 on air and atmosphere MCQs, grade 6 atmosphere basic facts multiple choice questions and answers. Atmosphere: basic facts revision test has science worksheets, answer key with choices as nitrogen, oxygen, argon and carbon of multiple choice questions (MCQ) with atmosphere basic facts quiz as an odorless, invisible gas that makes about 20%-22% of earth's atmosphere is known as for competitive exam prep. 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