Gaseous Exchange Multiple Choice Questions 14 PDF Download
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MCQs on Gaseous Exchange Quiz PDF Download Worksheets 14
MCQ. Kind of bronchitis that causes no permanent damage to lungs and lasts for two weeks is called
- acute bronchitis
- chronic bronchitis
- coastal bronchitis
- intercoastal bronchitis
MCQ. Lenticels are pores present in layer of
MCQ. During inhalation, ribs muscles contract and
- Move down
MCQ. Pores in layer of bark are called
MCQ. Amount of nitrogen present in expired and inspired air is