Air and Atmosphere Multiple Choice Questions 9

Learn air and atmosphere MCQs, grade 6 science test 9 for online courses learning and test prep, the atmosphere multiple choice questions and answers. The atmosphere revision test includes science worksheets to learn for 6th grade science help with interactive tests.

Science multiple choice questions (MCQ) on there is no boundary between atmosphere and space, so density of atmosphere decreases with with options increasing altitude, same height, constant height and decreasing height, the atmosphere quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn the atmosphere quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Quiz PDF Download Worksheets 9

MCQ. There is no boundary between atmosphere and space, so density of atmosphere decreases with

  1. same height
  2. increasing altitude
  3. constant height
  4. decreasing height

B

MCQ. Chemical formula of ozone is

  1. O3
  2. O2
  3. O4
  4. O5

A

MCQ. A blanket of gases surrounding planet is known as

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

D

MCQ. Iron rusts when it comes in contact with

  1. carbon dioxide & water
  2. oxygen & water
  3. many gases
  4. nitrogen & oxygen

B

MCQ. A reaction in which oxygen is used up for production of thermal and light energy is known as

  1. production
  2. combustion
  3. reaction
  4. respiration

B