IGCSE O Level Biology MCQs - Chapter 15

Respiration in Biology Quiz Questions and Answers PDF - 7

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The Quiz: In context of respiration, inspired air has; "Respiration in Biology" App Download iOS & Android (Free) with answers more water vapors, less oxygen, less carbon dioxide and a high temperature to learn online certification courses. Study human respiration quiz questions, download Amazon eBook (Free Sample) for best two year degrees.

Respiration in Biology Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: In context of respiration, inspired air has

less oxygen
more water vapors
less carbon dioxide
a high temperature

MCQ 32: Enzymes vital for aerobic respiration (with O₂) are found in

platelets
centriole
nucleus
mitochondria

MCQ 33: Oxidation does not involve

gain of electrons
addition of oxygen
loss of hydrogen
gain of energy

MCQ 34: Trachea divides into two

cilia
bronchus
bronchi
pleura

MCQ 35: Number of bronchial tubes, left bronchus gets divided into are

two
three
depends on age of organism
varies in man

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