Class 10 Biology MCQs – Practice Test 15 (Chapter 3)

Gaseous Exchange Quiz with Answers PDF Download – Test 15

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Gaseous Exchange Quiz – Practice Test 15 PDF Download

MCQ 71: As compared to breathing, the processes involved in the respiration includes:

bio-chemical processes only
mechanical processes only
non-mechanical processes
biochemical and mechanical processes

MCQ 72: The box-like structure which is present between trachea and pharynx is called:

vocal duct
voice box
vocal tract
vocal cords

MCQ 73: The bacterium, Streptococcus pneumonia, causes the respiratory disorder known as:

asthma
emphysema
bronchitis
pneumonia

MCQ 74: Which of the following reduces the oxygen-carrying capacity of hemoglobin?

carbon monoxide
sulphur dioxide
carbon dioxide
tobacco

MCQ 75: The amount of oxygen (O₂) present in expired air is:

0.16
0.28
0.21
0.25

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

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