IGCSE O Level Biology Online Tests
Human Respiration MCQ (Multiple Choice Questions) PDF Download
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The MCQ: Dry mass is lost through; "Human Respiration" App Download (Free) with answers: Lenticels; Respiration; Stomata; Limiting factor of enzymes; to study e-learning courses. Practice Human Respiration Quiz Questions, download Apple eBook (Free Sample) for online college courses.
Human Respiration MCQ (PDF) Questions Answers Download
Front of the ribs are attached to the
- diaphragm
- sternum
- external intercostal muscles
- internal intercostal muscles
Dry mass is lost through
- lenticels
- respiration
- stomata
- limiting factor of enzymes
Cuticular transpiration occurs in
- microorganisms
- animals
- plants
- none of others
All are wrong in case of alveolar walls but,
- lining of single cells
- lining of multiple cells
- lining of palisade cells
- depend on the age of organism
Over-breathing can be countered through
- in breath longer than out breath
- out breath longer than in breath
- excessive breathing
- holding breath
IGCSE O Level Biology Practice Tests
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