Igcse Model Questions Vol1 2018 Biology Question 12

Practice objective / multiple choice question 12 from the 2018 Igcse Model Questions Vol1 Biology examination.

Igcse Model Questions Vol1 2018 Biology Objective / Multiple Choice Medium Difficulty
Question 12 IGCSE_MODEL_QUESTIONS_VOL1 • 2018 • BIOLOGY • objective

A resting person produces \(250\ \text{mL}\) of \(\text{CO}_2\) per minute. The respiratory quotient (RQ) is \(0.85\). (a) Calculate the rate of \(\text{O}_2\) consumption in \(\text{mL min}^{-1}\). (b) Express this rate in litres per hour. (c) If during exercise the \(\text{CO}_2\) production rises to \(500\ \text{mL min}^{-1}\) while RQ remains \(0.85\), repeat parts (a) and (b). Provide the four numerical results in order.

Answer Options

A. 280 mL/min, 16.8 L/h, 560 mL/min, 33.6 L/h
B. 300 mL/min, 18.0 L/h, 600 mL/min, 36.0 L/h
Correct Answer C. 294 mL/min, 17.6 L/h, 588 mL/min, 35.3 L/h
D. 260 mL/min, 15.6 L/h, 520 mL/min, 31.2 L/h
Correct Answer
C
Correct Option:
294 mL/min, 17.6 L/h, 588 mL/min, 35.3 L/h

About This Question

This is Igcse Model Questions Vol1 2018 Biology Question 12. It is one of the objective questions from the 2018 Igcse Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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