Gaseous Exchange Multiple Choice Questions and Answers 21 PDF Download
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Biology multiple choice questions (MCQ): in air passageway, nasal cavity opens into a muscular passage which is called with options pharynx, nostrils, trachea and glottis, gaseous exchange in humans quiz with interesting questions to ask in teachers' jobs interview of secondary and high school teachers. Free biology study guide to learn gaseous exchange in humans quiz to attempt multiple choice questions based test.
MCQs on Gaseous Exchange Quiz PDF Download Worksheets 21
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