Class 10 Biology MCQs - Chapter 3

Gaseous Exchange Multiple Choice Questions (MCQs) PDF Download - 21

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The Multiple Choice Question (MCQ Quiz): 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 quiz questions, download Google eBook (Free Sample) for online degrees.

Gaseous Exchange Questions & Answers PDF Download: MCQ Quiz 21

MCQ 101: In the air passageway, the nasal cavity opens into a muscular passage which is called

nostrils
pharynx
trachea
glottis

MCQ 102: Nostril has mucous which is responsible for

filtering of air
cleaning of air
moisten the air
clear the air

MCQ 103: Which of the following is a narrow opening at the floor of the pharynx which leads into larynx?

epiglottis
glottis
oral cavity
Oesophagus

MCQ 104: The powerful poison, widely used as an insecticide

nicotine
glucagon
nicotinamide
histamine

MCQ 105: The respiratory disorder asthma leads to

more mucous production
lungs infection
destruction of alveoli walls
inflammation of bronchi

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