DP Biology (last assessment 2024)
Question 20N.2.SL.TZ0.b
| Date | November 2020 | Marks available | [Maximum mark: 1] | Reference code | 20N.2.SL.TZ0.b |
| Level | SL | Paper | 2 | Time zone | TZ0 |
| Command term | Outline | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
20N.2.SL.TZ0.b
The photomicrograph below shows the protozoan Paramecium caudatum.
[Source: Deuterostome, CC BY-SA 3.0
https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons.]
Outline the method of nutrition carried out by P. caudatum.
[1]
Markscheme
heterotroph/consumer as it feeds on bacteria/algae/yeast/smaller single celled organisms
OR
heterotroph/consumer as it does not have chloroplasts
Heterotrophic must be qualified.
