DP Biology (last assessment 2024)

Test builder »

Question 18M.3.HL.TZ1.6b

Select a Test
Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.3.HL.TZ1.6b
Level HL Paper 3 Time zone TZ1
Command term Outline Question number b Adapted from N/A
b.
[Maximum mark: 2]
18M.3.HL.TZ1.6b
(b)

Outline the role of the ear in balance perception.

[2]

Markscheme

a. (3) semicircular canals are perpendicular/at right angles/help sense movement 

b. movement (of head) causes fluid in canals/inner ear to move 

c. deflects/bends hair cells

d. (Hair cells) send messages to brain via auditory nerve 

 

Syllabus sections