Air and Processes MCQs & Quiz Online PDF Book Download

Air and processes multiple choice questions (MCQs), air and processes quiz answers to learn elementary school science online courses. Air and atmosphere MCQs, air and processes quiz questions and answers for online elementary education degree. Air and processes test prep for elementary school teaching certification.

Learn science MCQs: breathing is a process that refers to inhaling and exhaling of, with choices gas, air, molecule, and proton for online elementary education degree. Free science student portal for online learning air and processes quiz questions, MCQs to find questions answers based online learning tests.

MCQ on Air and Processes PDF Book 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