Human Respiration MCQs Quiz Online Tests pdf Download

Practice human respiration MCQs, biology MCQ for online test prep. Respiration in biology quiz has multiple choice questions (MCQ), human respiration quiz questions and answers as front ribs are attached to the, answer key with choices as diaphragm, sternum, external intercostal muscles and internal intercostal muscles for competitive exam prep. Free study guide is to learn human respiration quiz online with MCQs to practice test questions with answers.

MCQs on Human Respiration Quiz pdf Download

MCQ. Front ribs are attached to the

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


MCQ. Dry mass is lost through

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


MCQ. Cuticular respiration is important to

  1. reduce stomatal respiration
  2. continue transpiration pull
  3. in night
  4. help plant survive heat


MCQ. Alveolar walls are

  1. a lining of single cells
  2. a lining of multiple cells
  3. are a lining of palisade cells
  4. depend on age of organism


MCQ. Over-breathing can be countered through

  1. in breath longer than out breath
  2. out breath longer than in breath
  3. excessive breathing
  4. holding breath