DP Biology (last assessment 2024)
Question 19N.3.HL.TZ0.c
| Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.3.HL.TZ0.c |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | State | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 1]
19N.3.HL.TZ0.c
The diagram shows part of a human retina.
Photoreceptors in the retina sense light. State the name of another type of receptor with an example of the stimulus it detects.
[1]
Markscheme
a. mechanoreceptors «detect» pressure ✔
b. chemoreceptors «detect» chemical substances/pH ✔
c. thermoreceptors «detect» temperature ✔
Mark only the first answer if more than one receptor is mentioned.
Accept valid other receptors with the correct function.
