Air and Processes MCQs Quiz Worksheet PDF Download

Air and processes multiple choice questions (MCQs), air and processes tesr prep for elementary school distance learning, online courses. Practice air and atmosphere multiple choice questions (MCQs), air and processes quiz questions and answers for grade 6 science tutor questions with answers.

Study elementary school courses, online science degree programs MCQs: process of burning under presence of oxygen is known as, for online education degree with options combustion, reaction, respiration, and production with online eBooks download for problem-solving skills for middle school and high school students. 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 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