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Question 19M.3.SL.TZ1.c

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

The diagram illustrates the sensitivity to sound frequencies, measured in Hz, of the different regions of the semicircular canal. The base is the region closest to the oval window.

[Source: © International Baccalaureate Organization 2019]

Sensory receptors are divided into different categories. Hair cells in the cochlea are sensory receptors. State the category to which they belong.

[1]

Markscheme

mechanoreceptor ✔

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Perhaps a third of candidates gave the correct term.

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