Gaseous Exchange Multiple Choice Questions and Answers 12 pdf eBooks Download

Learn gaseous exchange MCQs, grade 10 online biology test 12, gaseous exchange in humans multiple choice questions and answers. Gaseous exchange in humans revision test has biology worksheets, helping answer key with choices as diaphragm, epithelial muscles, intercoastal muscles and coastal muscles of multiple choice questions (MCQ) with gaseous exchange in humans quiz as the thick muscular structure which is present below pair of lungs is called for competitive exam prep, viva interview questions. Free biology study guide to practice gaseous exchange in humans quiz to attempt multiple choice questions based test.

MCQs on Gaseous Exchange Quiz pdf Download Worksheets 12

MCQ. Thick muscular structure which is present below pair of lungs is called

  1. epithelial muscles
  2. diaphragm
  3. intercoastal muscles
  4. coastal muscles


MCQ. A human breath per minute is

  1. 16-30 times
  2. 16-20 times
  3. 15-20 times
  4. 15-18 times


MCQ. Percentage of respiratory disorders is high in Pakistan due to more concentration of air

  1. Chemicals
  2. Components
  3. Gases
  4. Pollution


MCQ. Kind of bronchitis in which inflammation develops in bronchi is called

  1. chronic bronchitis
  2. coastal bronchitis
  3. intercoastal bronchitis
  4. acute bronchitis


MCQ. Main goal in prevention of lung cancer is eliminating

  1. Pollutants
  2. Chemicals
  3. Tobacco smoking
  4. Harmful gases