Class 10 Biology MCQs - Chapter 3

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

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The Gaseous exchange Multiple Choice Questions (MCQs) with Answers PDF (gaseous exchange MCQs PDF e-Book) download Ch. 3-21 to study Grade 10 Biology Course. Learn Gaseous Exchange Quiz Questions and Answers to study online certification courses. The Gaseous Exchange MCQs App Download: Free learning app for gaseous exchange in humans, exchange of gases in humans, thoracic diseases, respiratory disorders test prep for school certificate.

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; Glottis; to study online certification courses. Solve Gaseous Exchange in Humans MCQ Questions, download Google eBook (Free Sample) for online degrees.

Gaseous Exchange MCQs with Answers PDF Download: 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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