Air and Processes MCQs Quiz Worksheet PDF Download

Learn air and processes MCQs in science quiz for test prep. Air and atmosphere quiz questions has multiple choice questions (MCQ), air and processes test as breathing is a process that refers to inhaling and exhaling of. Answer key help with choices as gas, air, molecule and proton problem solving for competitive exam, viva prep, interview questions worksheets. Free science revision notes to practice 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 the inhaling and exhaling of

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

B

MCQ. The process of burning under the presence of oxygen is known as

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

A

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

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

A

MCQ. In fish, respiration takes place through

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

A

MCQ. Rust is actually

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

A