Class 10 Biology MCQs - Chapter 3

Gaseous Exchange Quiz Questions and Answers PDF - 7

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The Quiz: Epiglottis, a flap of tissues covers the; "Gaseous Exchange" App Download iOS & Android (Free) with answers nostrils, pharynx, nasal cavity and glottis to study distance learning courses. Study exchange of gases in humans quiz questions, download Amazon eBook (Free Sample) for online high school classes.

Gaseous Exchange Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: The epiglottis, a flap of tissues covers the

A) pharynx

B) nostrils

C) nasal cavity

D) glottis

MCQ 32: The pair of ribs in the chest wall are

A) 12

B) 14

C) 15

D) 11

MCQ 33: Amount of oxygen in inspired air is 21 % and in expired air is

A) 0.15

B) 0.16

C) 0.12

D) 0.18

MCQ 34: The fine ends of the bronchioles are known as

A) bronchi

B) bronchioles

C) pharynx duct

D) alveolar ducts

MCQ 35: The infection of lungs is called

A) emphysema

B) asthma

C) pneumonia

D) bronchitis

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