Human Respiration MCQs Test Online PDF Download

Human respiration multiple choice questions (MCQs), human respiration test prep for online learning with IGCSE degree certificate eCourses. Learn respiration in biology multiple choice questions (MCQs), human respiration quiz questions and answers. Career test prep with school level biology, human respiration, what is respiration, aerobic respiration and its waste test for online biology lessons courses distance learning.

Learn respiration in biology practice test MCQs: dry mass is lost through, for free online courses with options lenticels, respiration, stomata, limiting factor of enzymes for scholars competing for college and universities' scholarships with college board SAT prep. Free skills assessment test is for online e-learning human respiration quiz questions with MCQs for competitive assessment.

MCQ 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