Gaseous Exchange Multiple Choice Questions and Answers 15 PDF Download

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MCQ on Gaseous Exchange Worksheets 15 Quiz PDF Download

MCQ: As compared to breathing, processes involved in respiration includes

  1. bio-chemical processes
  2. mechanical processes
  3. non-mechanical processes
  4. both a and b


MCQ: Box like structure which is present between trachea and pharynx is called

  1. vocal duct
  2. voice box
  3. vocal tract
  4. vocal cords


MCQ: Bacterium, Streptococcus pneumonia, causes respiratory disorder known as

  1. asthma
  2. emphysema
  3. bronchitis
  4. pneumonia


MCQ: Which of following reduces oxygen carrying capacity of hemoglobin?

  1. Carbon monoxide
  2. Sulhpur dioxide
  3. Carbon dioxide
  4. Tobacco


MCQ: Amount of oxygen (O2) present in expired air is

  1. 16%
  2. 28%
  3. 21%
  4. 25%