Class 10 Biology MCQs (Grade 10) From Textbook
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Class 10 Biology Competitive Exam MCQs – Practice Test 21 (Chapter 3)
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The MCQ: In the air passageway, the nasal cavity opens into a muscular passage which is called; "Gaseous Exchange" App Download [Free] with answers: pharynx, nostrils, trachea, and glottis to study online certification courses. Solve Gaseous Exchange in Humans MCQ Questions, download Google eBook (Free Chapter) for online degrees.
In the air passageway, the nasal cavity opens into a muscular passage which is called
Nostril has mucous which is responsible for
Which of the following is a narrow opening at the floor of the pharynx which leads into larynx?
The powerful poison, widely used as an insecticide
The respiratory disorder asthma leads to
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