Gaseous Exchange Multiple Choice Questions and Answers 21 PDF Download
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MCQs on Gaseous Exchange Worksheets 21 Quiz PDF Download
MCQ: In air passageway, nasal cavity opens into a muscular passage which is called
MCQ: Nostril has mucous which is responsible for
- Filtering of air
- Cleaning of air
- Moisten the air
- Clear the air
MCQ: Which of following is a narrow opening at floor of pharynx which leads into larynx?
- Oral cavity
MCQ: Powerful poison, widely used as an insecticide
MCQ: Respiratory disorder asthma leads to
- more mucous production
- lungs infection
- destruction of alveoli walls
- inflammation of bronchi