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What is Respiration MCQ Quiz Online

Learn What is Respiration Multiple Choice Questions (MCQ), What is Respiration quiz answers PDF to study o level biology online course for o level biology classes. Respiration in Biology Multiple Choice Questions and Answers (MCQs), What is Respiration quiz questions to learn online certificate courses. "What is Respiration MCQ" PDF Book: school level biology, human respiration, what is respiration, aerobic respiration and its waste test prep for free online college courses.

"Air pressure in thorax increases in" MCQ PDF: what is respiration with choices anaerobic respiration, inspiration, expiration, and digestion to learn online certificate courses. Study what is respiration quiz questions for merit scholarship test and certificate programs for college entrance exams.

MCQs on What is Respiration Quiz

MCQ: Air pressure in thorax increases in

anaerobic respiration

MCQ: Blood entering the lungs contain very

little oxygen (O2) only
high carbon dioxide (CO2) only
low carbon dioxide (CO2)
little oxygen (O2) and high carbon dioxide (CO2)

MCQ: In expiration in process of respiration

the diaphragm relaxes and arches upwards
air enters the lungs
ribs move upwards
sternum moves up and away from backbone

MCQ: Stimulus for breathing is

lack of oxygen in blood
excess of carbon dioxide in blood
contraction of alveoli
diaphragm movements

MCQ: In anaerobic respiration (without O2) in mammals, the wastes are

lactic acid
carbon dioxide