IB Biology Practice Test 8

10 free IB Biology practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

IB Biology Practice Test 8Tutor mode

Question 1 of 10

Form and function

The trace shows a student breathing normally, then breathing in as deeply as possible and breathing out as far as possible, before returning to normal breathing. What is the student’s vital capacity?

Spirometer trace