Air and Atmosphere Multiple Choice Questions 2

Learn air and atmosphere MCQs, grade 6 science test 2 for online courses learning and test prep, air and processes multiple choice questions and answers. Air and processes revision test includes science worksheets to learn for grade 6 science tutor questions with answers.

Science multiple choice questions (MCQ) on breathing is a process that refers to inhaling and exhaling of with options air, gas, molecule and proton, air and processes quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn air and processes quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Quiz PDF Download Worksheets 2

MCQ. Breathing is a process that refers to inhaling and exhaling of

  1. gas
  2. air
  3. molecule
  4. proton

B

MCQ. Greenhouse gases and other harmful gases are bringing huge damage to atmosphere like

  1. acid rain
  2. global warming
  3. ozone hole
  4. all of them

D

MCQ. Process of burning under presence of oxygen is known as

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

A

MCQ. In desert areas, water vapor content is

  1. different
  2. higher
  3. low
  4. constant

C

MCQ. To perform fractional distillation of air, it must be liquefied and then purified to remove

  1. dust
  2. molecule
  3. atom
  4. rust

A