IGCSE O Level Biology MCQs - Chapter 15

Respiration in Biology Multiple Choice Questions (MCQ) PDF - 4

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The Trivia Quiz: When comparing anaerobic (without O₂) and aerobic (with O₂) respiration, the amount of energy yield; "Respiration in Biology" App APK Download (Free) with answers less in aerobic respiration, is same, less in anaerobic respiration and may have more or less energy depending on the conditions to study distance learning courses. Practice aerobic respiration and its waste quiz questions, download Kindle eBook (Free Sample) for best online colleges for teaching degree.

Respiration in Biology Questions & Answers PDF Download: MCQ Quiz 4

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

A) is same

B) less in aerobic respiration

C) less in anaerobic respiration

D) may have more or less energy depending on the conditions

MCQ 17: Blood entering the lungs contain very

A) little oxygen (O₂) only

B) high carbon dioxide (CO₂) only

C) low carbon dioxide (CO₂)

D) little oxygen (O₂) and high carbon dioxide (CO₂)

MCQ 18: In expiration in process of respiration

A) the diaphragm relaxes and arches upwards

B) air enters the lungs

C) ribs move upwards

D) sternum moves up and away from backbone

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

A) stomach

B) liver

C) small intestine

D) every single cell

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

A) breathing

B) catabolic process

C) anabolic process

D) photolysis

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