Air and Processes MCQs Test and Answers pdf Download

Practice air and processes MCQs and science for test prep and learning. Free air and atmosphere notes has multiple choice questions (MCQ) with air and processes quiz as breathing is a process that refers to inhaling and exhaling of with answering options gas, air, molecule and proton for exam preparation. Study to learn air and processes quiz with MCQs to find questions answers based online tests.

MCQs on Air and Processes

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

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

B

MCQ. Process of burning under 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 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