Respiration in Biology Multiple Choice Questions and Answers 1 PDF Download

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MCQ on Respiration in Biology Test 1Quiz PDF Download

MCQ: Wastes of aerobic respiration (with O2) includes

  1. carbon dioxide
  2. lactic acid
  3. ethanol
  4. energy


MCQ: Air pressure in thorax increases in

  1. anaerobic respiration
  2. inspiration
  3. expiration
  4. all of the above


MCQ: Front ribs are attached to the

  1. diaphragm
  2. sternum
  3. external intercostal muscles
  4. internal intercostal muscles


MCQ: Air inhaled in addition to tidal air is called

  1. complemental air
  2. residual air
  3. supplemental air
  4. saturated air


MCQ: Dry mass is lost through

  1. lenticels
  2. respiration
  3. stomata
  4. limiting factor of enzymes