Class 10 Biology MCQs – Practice Test 17 (Chapter 3)

Gaseous Exchange MCQs with Answers PDF Download – Test 17

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Gaseous Exchange MCQs – Practice Test 17 PDF Download

MCQ 81: The disorder in which, bronchi are inflamed and more mucus production occurs is:

emphysema
asthma
pneumonia
bronchitis

MCQ 82: How many lobes right lung has?

MCQ 83: The amount of carbon dioxide (CO₂) present in the inspired air is:

0.0006
0.0004
0.04
0.06

MCQ 84: The amount of oxygen present in inspired air is:

0.16
0.28
0.21
0.25

MCQ 85: The cells that line the sac-like structure of each alveolus are called:

epithelial cells
pulmonary cells
alveoli
bronchus

Class 10 Biology MCQs App & e-Book – Gaseous Exchange Study Guide

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Gaseous Exchange MCQs

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