Air and Processes MCQs Quiz and Answers Tests pdf Download

Practice air and processes MCQs in science quiz for test prep. Air and atmosphere quiz questions has multiple choice questions (MCQ) with air and processes test, answers as breathing is a process that refers to inhaling and exhaling of, answer key with choices as gas, air, molecule and proton for competitive exam, viva prep, interview questions worksheets. Free science revision notes to learn air and processes quiz with MCQs to find questions answers based online tests.

MCQs on Air and Processes Quiz pdf Download

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

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


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

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


MCQ. Intake of carbon dioxide and giving out of oxygen is only process named

  1. photosynthesis
  2. respiration
  3. rusting
  4. excretion


MCQ. In fish, respiration takes place through

  1. gills
  2. lungs
  3. throat
  4. tail


MCQ. Rust is actually

  1. iron oxide
  2. hydro oxide
  3. nitro oxide
  4. none of them