DP Biology (last assessment 2024)

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Question 19M.3.HL.TZ1.b

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.HL.TZ1.b
Level HL Paper 3 Time zone TZ1
Command term Identify Question number b Adapted from N/A
b.
[Maximum mark: 1]
19M.3.HL.TZ1.b

The diagram shows the human ear.

[Source: Didier Descouens, https://commons.wikimedia.org/wiki/Category:Human_middle_ear#/media/File:Place-desosselets-
Schema.jpg, licensed under CC BY-SA 3.0]

Identify the structure in the inner ear that is in contact with the stapes.

[1]

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Examiners report

This question was surprisingly difficult for candidates to answer correctly. While there were many incorrect answers, the most notable ones involved other bones of the middle ear, again revealing that students need to read the questions more carefully, as the question specifically asked about a structure in the inner ear. Of course, this could also mean that students are unclear where the middle ear ends and the inner ear begins.

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