IGCSE O Level Biology Exam MCQs – Practice Test 4 (Chapter 15)

Respiration in Biology Notes Questions with Answers PDF Download – Test 4

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Study Respiration in Biology Notes Questios and Answers PDF to improve exam preparation. Download the Respiration in Biology Quiz Answers PDF e-Book, Ch. 15-4 to study IGCSE O Level Biology Course. Solve Aerobic respiration and its waste MCQs, Respiration in Biology quiz answers PDF to improve exam preparation. Download the Respiration in Biology Learning App: Free IGCSE O Level Biology Notes App to learn what is respiration, oxidation and respiration, molecular biology career test to develop biology careers.

Free "Respiration in Biology Learning" App Download with MCQ: When comparing anaerobic (without O₂) and aerobic (with O₂) respiration, the amount of energy yield; with answers: less in aerobic respiration, is same, less in anaerobic respiration, and may have more or less energy depending on the conditions. Practice Learning Biology Quiz Questions, download Kobo e-Book (Free Chapter) to improve exam preparation.

Respiration in Biology Test Questions and Answers PDF Download: MCQ 4

MCQ 16: When comparing anaerobic (without O₂) and aerobic (with O₂) respiration, the amount of energy yield:

is same
less in aerobic respiration
less in anaerobic respiration
may have more or less energy depending on the conditions

MCQ 17: Blood entering the lungs contain very:

little oxygen (O₂) only
high carbon dioxide (CO₂) only
low carbon dioxide (CO₂)
little oxygen (O₂) and high carbon dioxide (CO₂)

MCQ 18: In expiration in process of respiration:

the diaphragm relaxes and arches upwards
air enters the lungs
ribs move upwards
sternum moves up and away from backbone

MCQ 19: Oxidation occurs in which part of the body?

stomach
liver
small intestine
every single cell

MCQ 20: Breakdown of carbohydrate molecule (C_nH_2mO_m) is known as:

breathing
catabolic process
anabolic process
photolysis

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