Class 10 Biology MCQs – Practice Test 7 (Chapter 3)

Gaseous Exchange Quiz with Answers PDF Download – Test 7

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Study Class 10 Biology Study App (iOS & Android) with MCQ: "Epiglottis, a flap of tissues covers the"; with answers: nostrils, pharynx, nasal cavity, and glottis. Study Exchange of Gases in Humans MCQ Questions, download Google Book (Free Chapter) to study human biology.

Gaseous Exchange Quiz – Practice Test 7 PDF Download

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

pharynx
nostrils
nasal cavity
glottis

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

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

0.15
0.16
0.12
0.18

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

bronchi
bronchioles
pharynx duct
alveolar ducts

MCQ 35: The infection of lungs is called:

emphysema
asthma
pneumonia
bronchitis

Gaseous Exchange Quiz App & e-Book – Class 10 Biology Study Material

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