DP Biology (last assessment 2024)
Question 18M.3.SL.TZ2.4a
| Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.3.SL.TZ2.4a |
| Level | SL | Paper | 3 | Time zone | TZ2 |
| Command term | Outline | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
18M.3.SL.TZ2.4a
(a)
Outline the function of one named photoreceptor in the mammalian eye.
[2]
Markscheme
a. name: rod
OR
cone
b. function: rod detects wide range of wavelengths/monochrome/low light intensity/dim light
OR
detects coloured light / colour «photoreceptor»
