Class 10 Biology MCQs - Chapter 3

Gaseous Exchange Quiz Questions and Answers PDF - 15

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The Quiz: As compared to breathing, the processes involved in the respiration includes; "Gaseous Exchange" App Download iOS & Android (Free) with answers mechanical processes only, bio-chemical processes only, non-mechanical processes and biochemical and mechanical processes to learn online classes courses. Study gaseous exchange process quiz questions, download Amazon eBook (Free Sample) for online teaching certification programs.

Gaseous Exchange Questions & Answers PDF Download: MCQ Quiz 15

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

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