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Question 19M.3.SL.TZ1.6e

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Date May 2019 Marks available [Maximum mark: 2] Reference code 19M.3.SL.TZ1.6e
Level SL Paper 3 Time zone TZ1
Command term Outline Question number e Adapted from N/A
e.
[Maximum mark: 2]
19M.3.SL.TZ1.6e

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]

(e)

Outline the function of the stapes.

[2]

Markscheme

a. connects the oval window to the eardrum/ossicles ✔

b. mechanical transmission of vibration of eardrum
OR
amplify vibration/sound ✔

c. moves oval window with frequency of the vibration/sound
OR
transmits vibration/sound to inner ear/cochlea ✔

Examiners report

There were some good answers here, although connections to parts of the ear were sometimes confused. Amplification and transmission to the cochlear were frequent responses

Syllabus sections