Human Respiration MCQs Quiz Online PDF Download

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MCQs on Human RespirationQuiz 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. move 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 the 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